Endurance nutrition, decoded.
Research-backed fueling, hydration, recovery, and race-day strategy for runners and triathletes — written by the team behind the Mavr nutrition app.
Free tools:Marathon fuel calculatorRace plan calculatorHalf marathon fuel calculatorHyrox nutrition calculator
Amsterdam Marathon 2026 Fueling Guide: Maurten Stations, Gels, and a Plan for Every Finish Time
Every TCS Amsterdam Marathon 2026 station with Maurten Drink Mix, Gel 100 at 18 and 30 km, bananas and sponges, when you will reach them at your pace, and fueling plans from sub-3 to the six-hour limit.
Read the breakdownFrankfurt Marathon 2026 Fueling Guide: Stations, Powerbar Gels, and a Plan for Every Finish Time
Every Mainova Frankfurt Marathon 2026 station with Rosbacher water and isotonic, Powerbar gels at 10, 20, 25, and 35 km, bananas from 15 km, when you will reach them at your pace, and fueling plans from sub-3 to six hours.
NYC Marathon 2026 Fueling Guide: Aid Stations, Gel Depots, and a Plan for Every Finish Time
Every TCS New York City Marathon 2026 fluid station and Maurten gel depot, when you will reach them at your pace, what to eat in the Fort Wadsworth start village, and fueling plans from sub-3 to six hours.
Valencia Marathon 2026 Fueling Guide: Aid Stations, Enervit Gels, and a Plan for Every Finish Time
Every Valencia Marathon 2026 aid station, the Enervit gel points, the nine-wave start from 8:15, the 5:30 limit, when you will reach each station at your pace, and fueling plans from sub-2:45 to the cut-off.
Tokyo Marathon 2027 Fueling Guide: Aid Stations, Pocari Sweat, No Gels, and a Plan for Every Finish Time
Every Tokyo Marathon aid station, why there are no gels on the course, what the food stations really offer, the strict security and checkpoint closures, when you will reach each station at your pace, and fueling plans from sub-3 to seven hours.
Boston Marathon 2027 Fueling Guide: Aid Stations, Maurten Depots, and a Plan for Every Finish Time
Every Boston Marathon fluid station, the Maurten hydrogel depots at miles 11.8, 17, and 21.5, the Athletes’ Village wait, the late start, when you will reach each station at your pace, and fueling plans from sub-3 to six hours.
London Marathon 2027 Fueling Guide: Water Bottles, Lucozade, Gels, and a Plan for Every Finish Time
Every TCS London Marathon drinks station with Buxton bottles, Lucozade Sport at 7, 15, 21, and 23, gels at 13 and 19, what the two-day 2027 format changes, when you will reach each station at your pace, and fueling plans from sub-3 to eight hours.
How Many Calories Does Running Burn? The Real Numbers (and Why Your Watch Is Wrong)
A calories-burned-running calculator you can do in your head, full charts by body weight, pace, and distance, and the research on how far off wrist-based estimates actually are.
Protein Powder for Runners: Do You Need It, and Which One?
How much protein running actually demands, whether a powder is worth it, how whey, casein, and plant blends differ for endurance athletes, and how to pick one without buying marketing.
LMNT vs Liquid I.V. vs Nuun vs Gatorade Endurance: Which Electrolyte Drink Should a Runner Use?
A sodium-per-serving comparison of the electrolyte drinks runners actually buy, which one fits which session, and how to work out your own sweat sodium instead of guessing.
What to Eat Before a 5K: Timing, Portions, and What to Skip
Exactly what to eat before a 5K race, how long beforehand, what to do for an early morning start or an evening parkrun, and why more food is almost never the answer.
Stomach Cramps While Running: Side Stitches, Runner’s Stomach, and How to Stop Both
Why you get stomach cramps and side stitches while running, how to tell the three common causes apart, what to do mid-run, and the eating changes that stop them coming back.
Carbs for Runners: How Many Grams Per Day, and Where to Get Them
Daily carbohydrate targets for runners by training load, what 300 to 600 grams actually looks like on a plate, how to move carbs around the week, and why low-carb keeps failing runners.
Marathon Training Diet: A Meal Plan That Changes With Your Week
What to eat during marathon training: daily targets by session type, four sample day plans, how the diet shifts from base to taper, and a grocery list that makes it repeatable.
Supplements for Runners: What Actually Works, What Might, and What to Stop Buying
An evidence-graded guide to running supplements: the five with real performance data, the situational ones worth trying, the ones that blunt your training, and how to avoid contamination.
MyFitnessPal Alternatives: 7 Options, and Which One Fits a Runner
The best MyFitnessPal alternatives compared by what they are actually built for, why generic calorie trackers fail endurance athletes, and how to pick without switching twice.
What to Eat Before a Long Run: The Night Before, the Morning Of, and During
A complete pre-long-run fuelling plan: how much to eat the night before, exactly what to eat at 3 hours, 90 minutes and 30 minutes out, early-start compromises, and what to carry.
Energy Gels for Runners: How to Choose, When to Take Them, and How Many You Need
A complete guide to running energy gels: how much carbohydrate each major gel delivers, when to take your first one, how many you need per distance, and how to train your gut so race day works.
What to Eat Before a Run: Timing, Portions, and the Best Foods for Every Distance
A practical pre-run eating guide: what to eat 3 hours, 1 hour, and 30 minutes before running, the best foods for 5Ks, 10Ks and long runs, and when running on an empty stomach is fine.
Best Electrolyte Drinks for Runners: What Actually Matters, Compared
How to choose an electrolyte drink that matches your sweat instead of the marketing: sodium doses compared across popular mixes, when you need carbs with your electrolytes, and a homemade recipe that costs pennies.
What to Eat After a Run: Recovery Foods, Timing, and Simple Meal Ideas
What to eat after a run and when: how urgent the post-run meal really is, the carb and protein numbers that matter, easy meal ideas by run type, and what to do when you have no appetite.
Creatine for Runners: Benefits, Dosage, and Whether It Slows You Down
Does creatine help runners or just add weight? What the evidence says about creatine for distance running: real benefits, the water-weight question, how much to take, and who can skip it.
The Runner’s Diet: What to Eat, How Much, and When
A complete runner’s diet guide: how many carbs, protein, and calories running actually demands, how to build every plate without weighing food, and how eating should change between easy days and big days.
Berlin Marathon 2026 Fueling Guide: Aid Stations, Gels, and a Plan for Every Finish Time
Every BMW Berlin Marathon 2026 station, when you will reach it at your pace, and a fueling plan that works whether you are chasing a sub-3 or finishing your first marathon in six hours.
Chicago Marathon 2026 Fueling Guide: Aid Stations, Gatorade, and Gels
Plan your Bank of America Chicago Marathon 2026 nutrition around 20 aid stations, Gatorade Endurance, Maurten gels, Grant Park logistics, station arrival times by pace, and fueling plans from sub-3 to six hours.
Best Saturday App Alternatives for Endurance Fueling in 2026
A fair, practical comparison of Saturday, Mavr, Hexis, Fuelin, and a sports dietitian for athletes who want better workout fuel, daily nutrition, race plans, or human support.
Half Marathon Training Nutrition Plan: Fuel Workouts, Long Runs, and Race Week
A practical half-marathon training nutrition plan for runners who want workout-specific fueling instead of a generic calorie target.
Lunch Run Nutrition: What to Eat Before Midday Workouts
A midday workout nutrition guide for runners who train at lunch and need energy without stomach issues, afternoon crashes, or missed recovery.
Tune-Up Race Nutrition: How to Fuel a 10K or Half During Marathon Training
Use tune-up races as nutrition rehearsals, not one-off events. Learn how to fuel a 10K or half marathon inside a bigger marathon block.
Best Running Nutrition App in 2026: How to Choose (and Why Mavr Is Built for Runners)
A practical guide to choosing the best running nutrition app in 2026. Learn what separates a workout-aware fueling app from a generic calorie counter, how the top options compare, and which app fits serious runners.
Best Running Nutrition Coaching App: What Real Coaching Looks Like in an App
A running nutrition coaching app should do more than log food. It should coach decisions like a dietitian would: workout-aware fueling, long-run rehearsal, recovery, hydration, and race-day planning. Here is how to choose one.
Best Running Nutrition Apps in 2026: 7 Apps Ranked and Compared
An honest, ranked comparison of the best running nutrition apps in 2026, from MyFitnessPal and Cronometer to Hexis, FuelIn, and Mavr. See which app fits calorie tracking, carb periodization, or full workout-aware fueling.
Best Running Nutrition Coaching Apps in 2026: AI and Human Coaching Ranked
The best running nutrition coaching apps in 2026, ranked. Compare AI coaching apps, carb-periodization tools, human dietitian services, and Mavr’s workout-aware coaching for runners and triathletes.
The Best Running Apps in 2026: Tracking, Training, and Fueling
A practical, honest guide to the best running apps in 2026. Compare the top apps for GPS tracking, training plans, and nutrition, and learn how to build a running app stack that actually makes you faster.
The Best Running App for Marathon Training in 2026
Choosing the best running app for marathon training means matching the app to the hardest part of the block: long runs, recovery, and fueling. Here is how to pick, and how to avoid the gap that ends most marathon plans.
What Makes the Best Running App? 9 Features That Actually Matter
Every running app claims to be the best. Here are the nine features that actually make a running app worth using in 2026, from accurate tracking to the fueling layer most apps skip.
Hilly Long Run Nutrition: Fuel Elevation Gain, Not Just Distance
Hilly long runs can drain runners faster than flat mileage. Learn how elevation gain changes carbs, fluids, sodium, pacing, recovery, and the nutrition plan around marathon or trail training.
Low HRV Before a Workout? How Runners and Triathletes Should Adjust Nutrition
A low readiness score does not automatically mean you should skip fuel or panic. Learn how HRV, resting heart rate, sleep, soreness, and training load should change nutrition decisions before hard sessions.
Late-Start Long Run Nutrition: What to Eat When Your Long Run Is at Noon or Afternoon
Not every long run starts at 7 a.m. Learn how to fuel midday and afternoon long runs without stomach issues, underfueling, or turning the whole day into random snacking.
Zone 2, Threshold, and VO2 Max Nutrition: Fuel Runs by Intensity, Not Calories Burned
Runners and triathletes should not fuel every workout the same way. Learn how Zone 2, threshold, VO2 max, and long sessions change carb timing, recovery, hydration, and the meal plan around training.
Late Evening Workout Nutrition: Recover After Training Without Wrecking Sleep
Evening runs, bike sessions, and strength workouts create a hard nutrition tradeoff: recover enough without going to bed stuffed. Here is how endurance athletes should handle late workouts.
Low Appetite After a Long Run? How to Refuel When Food Sounds Hard
Some runners finish long runs with no appetite, then crash later in the day. Learn how to recover with carbs, protein, fluids, and sodium when a full meal sounds impossible.
Best Nutrition App for Marathon Training: What Serious Runners Should Look For
The best nutrition app for marathon training is not a generic calorie counter. Learn what serious runners need from workout-aware fueling, recovery, hydration, body-composition support, and race-day planning.
AI Nutrition Coach for Runners: What It Should Do With Your Training Data
An AI nutrition coach for runners should not hand out generic meal plans. It should understand workouts, training load, recovery, long runs, race goals, and body-composition tradeoffs.
Sports Dietitian vs Nutrition App for Runners: Which Do You Need?
A sports dietitian and a nutrition app solve different problems. Learn when runners need expert clinical support, when an app is enough, and why Mavr is built for daily workout-aware decisions.
Nutrition Periodization for Runners and Triathletes: Eat for the Training Block You Are In
Nutrition periodization means your fueling should change across base, build, peak, taper, race, and recovery blocks. Learn how endurance athletes can fuel the block without guessing.
Peak Week Nutrition for Marathon Training: Fuel High Mileage Without Feeling Heavy
Peak mileage is where serious runners often underfuel, overcorrect, or chase body composition at the wrong time. Learn how to adjust carbs, protein, fluids, sodium, and meal timing during your biggest training week.
Night Before Long Run Nutrition: What to Eat So You Do Not Start Empty
Long-run fueling starts before the alarm goes off. Learn what runners should eat the night before a long run, what to avoid, and how to adjust dinner based on distance, intensity, weather, and morning timing.
Strava Calories Burned Are Not a Nutrition Plan: What Runners Should Use Instead
Calories burned can be useful context, but serious runners and triathletes need more than a post-workout number. Learn why workout type, timing, intensity, recovery, and what comes next should drive nutrition decisions.
Bad Sleep Before a Long Run or Hard Workout? Adjust Nutrition Without Guessing
Poor sleep changes workout risk, caffeine tolerance, hunger, and recovery. Learn how runners and triathletes should adjust carbs, fluids, caffeine, and post-session food when readiness is low.
Marathon Pace Long Run Nutrition: Fuel the Quality Inside Your Long Run
A long run with marathon-pace miles is not just a long run. Learn how to fuel warmup, quality segments, gels, fluids, sodium, and recovery when your workout includes race-pace work.
Cutback Week Nutrition for Runners and Triathletes: Recover Without Going Flat
Cutback weeks are not mini diets. Learn how endurance athletes should adjust carbs, protein, meal timing, and body-composition goals when training volume temporarily drops.
Back-to-Back Long Run Nutrition: How to Fuel Day Two Without Guessing
Back-to-back long runs and ride-run weekends are where static calorie targets fail. Learn how serious runners and triathletes should fuel the first session, recover overnight, and show up ready for day two.
Easy Run Nutrition: When Runners Should Eat More, Less, or Nothing
Easy runs are not all the same. Learn when runners can keep fueling light, when an easy run still needs carbs, and how to avoid letting body-composition goals sabotage tomorrow's key workout.
Post-Workout Nutrition by Training Load: Use the Workout You Actually Did
Recovery meals should not be the same after every run. Learn how runners and triathletes can use duration, intensity, heart rate, and what is next to decide carbs, protein, fluids, and sodium.
Two-a-Day Training Nutrition for Runners and Triathletes: Fuel Double Sessions Without Guessing
Double-session days expose generic nutrition plans fast. Learn how serious runners and triathletes should eat between morning and evening workouts, protect recovery, and avoid carrying fatigue into the next key session.
Taper Week Nutrition for Marathon and 70.3: Eat Enough When Training Volume Drops
Taper week makes athletes nervous because mileage drops while race-day fueling gets more important. Learn how to adjust carbs, calories, fiber, fluids, and sodium without accidentally arriving underfueled.
How to Adjust Nutrition When Your Training Plan Changes: Missed, Moved, or Shortened Workouts
Endurance training plans change constantly. Learn how to adjust food when a workout moves, gets shortened, turns harder than expected, or disappears from the calendar without defaulting to a generic calorie tracker.
What to Eat When Your Workout Plan Changes: Nutrition for Moved, Missed, and Swapped Sessions
Training plans change. Learn how runners and triathletes should adjust food when a workout moves, gets shortened, becomes harder, or turns into a rest day.
Build Week vs Recovery Week Nutrition: How Endurance Athletes Should Adjust
Your biggest training weeks and recovery weeks should not use the same nutrition targets. Learn how runners and triathletes can periodize carbs, recovery, and body-composition goals by training load.
Race Travel Nutrition for Marathon and 70.3: Hotel, Airport, and Start-Line Plan
Race travel breaks normal routines. Learn how runners and triathletes can handle airport food, hotel breakfasts, carb timing, hydration, and race-morning logistics without guessing.
Heat Training Nutrition for Runners and Triathletes: Carbs, Sodium, and Fluids
Hot weather changes more than sweat. Learn how serious runners and triathletes should adjust fluids, sodium, carbs, gut practice, and recovery when workouts move into heat.
Caffeine for Marathon and 70.3 Training: Timing, Dose, and Race-Day Plan
Caffeine can help endurance performance, but only if timing, dose, gut tolerance, and sleep fit your training. Build a smarter caffeine plan for long runs, hard sessions, and race day.
Rest Day Nutrition for Runners: Recover Without Eating Like a Long-Run Day
Rest days are not cheat days or starvation days. Learn how runners and triathletes can eat for recovery, body composition, and tomorrow's workout without using a flat calorie target.
Strength Training Nutrition for Runners and Triathletes: Fuel the Gym Without Guessing
Strength work supports faster, more resilient endurance athletes, but it still needs fuel. Learn what to eat before and after lifting when your main goal is running, triathlon, or 70.3 performance.
Protein for Runners and Triathletes: How Much You Need and When to Eat It
Endurance athletes need protein, but not at the expense of carbs. Learn how much protein runners and triathletes need, how to spread it through the day, and how Mavr keeps it tied to training.
Race Weight for Runners: Get Leaner Without Underfueling Training
Trying to improve body composition during marathon or triathlon training? Learn how serious endurance athletes can chase race weight without sabotaging long runs, hard sessions, recovery, or hormones.
What to Eat Before Hard Run Workouts: Tempo, Threshold, Intervals, and Hills
Hard run workouts need different fueling than easy miles. Use this practical guide to plan pre-run carbs, caffeine, hydration, and recovery for tempo runs, threshold sessions, intervals, and hills.
Triathlon Training Nutrition Plan: Fuel Swim, Bike, Run, and Brick Days
Triathlon nutrition is not one generic macro target. Learn how to fuel swim days, bike days, run sessions, bricks, recovery, and 70.3 build weeks without guessing.
Marathon Training and Weight Loss: How to Lean Out Without Underfueling
Trying to improve body composition while training for a marathon is possible, but only if your deficit does not sabotage long runs, workouts, recovery, or race prep.
What to Eat Before Tempo and Interval Runs: Fuel Hard Sessions Properly
Hard running workouts need more than willpower. Learn what to eat before tempo runs, interval sessions, hills, and track workouts so the session quality matches the training plan.
70.3 Nutrition Plan: How to Fuel a Half Ironman Without Guessing
A half Ironman is not just a long workout with more gels. Learn how to plan carbs, sodium, fluids, breakfast, bike fueling, run fueling, and recovery for 70.3 training and race day.
TrainingPeaks Nutrition Plan: Turn Your Workout Calendar Into Fueling Targets
TrainingPeaks tells you the work. Mavr tells you how to fuel it. Learn how serious endurance athletes can turn planned workouts into daily carbs, recovery meals, and race-day nutrition.
Your Strava and Apple Health Data Can Tell You What to Eat Next
Your watch already knows the workout happened. Learn how to turn Strava and Apple Health training data into better fueling, recovery, body composition, and race-day decisions.
Marathon Fueling Plan: What to Eat Before Long Runs and Race Day
A practical marathon fueling plan for runners who want to stop guessing before long runs, avoid mile-20 crashes, and arrive on race day with a practiced nutrition strategy.
Half-Ironman 70.3 Nutrition Plan: Bike-to-Run Fueling Without Stomach Problems
A 70.3 nutrition plan for triathletes who need enough carbs and sodium on the bike without starting the run bloated, nauseous, or empty.
Turn Strava, Apple Health, and TrainingPeaks Into a Fueling Plan
Your training apps know what workout is coming. Your nutrition should use that data to tell you what to eat before, during, and after training.
Overwhelmed by Running Nutrition? Use This Simple System
If running nutrition feels like a pile of gels, macros, carb targets, hydration rules, and conflicting advice, use this simple system to make better decisions this week.
Body Composition for Runners: Lose Fat Without Underfueling Long Runs
A performance-first body composition guide for runners who want to lean out without wrecking energy, recovery, hormones, or race-day training.
Post-Workout Nutrition for Endurance Athletes: What to Eat After Hard Sessions
Post-workout nutrition is not just protein. Endurance athletes need carbs, fluids, sodium, and practical recovery meals that match the session they just completed.
The 7-Day Race Fueling Challenge: Test Your Nutrition Before Race Day
Use this 7-day race fueling challenge to test breakfast, long-run carbs, hydration, sodium, recovery meals, and race-week routines before your event.
Nutrition for Run Clubs and Triathlon Coaches: Support Athletes Between Sessions
Coaches write the training. Athletes still make dozens of nutrition decisions alone. Here is how run clubs and triathlon coaches can support fueling without becoming full-time meal planners.
Back to Race Training? Rebuild Your Nutrition Plan After a Break
If you paused training, cancelled a race, lost momentum, or let nutrition slip, use this return-to-training nutrition plan to rebuild consistency without overcorrecting.
Why Serious Endurance Athletes Need an Annual Nutrition Plan
Race fueling is not just a race-week task. Serious runners and triathletes need a season-long nutrition plan that changes across base, build, peak, taper, and recovery.
Meal Timing for Runners: When to Eat Before, During, and After Every Run
Eating the right foods at the wrong time sabotages your run. Learn the 4-window meal timing framework that keeps your energy steady, your stomach calm, and your recovery on track.
Overwhelmed by Running Nutrition? A Simple No-BS Guide for Runners
If you've read dozens of articles and still don't know what to eat, start here. Three simple rules that cover 90% of your running nutrition — no spreadsheets required.
Why You Keep Running Out of Energy on Long Runs (And the Exact Fix)
That wall at mile 14 isn't about fitness. Learn the 3 real reasons you bonk on long runs and the hour-by-hour fueling protocol that stops energy crashes for good.
Fueling Without GI Issues: How to Eat and Run Without Stomach Problems
You know you should fuel more, but every time you try, your stomach rebels. This 5-step protocol helps you increase your carb intake without the GI distress.
Runner's Diarrhea: Why It Happens on Long Runs and How to Prevent It
It's the running problem nobody talks about but half of distance runners experience. Learn what causes runner's diarrhea, the foods that trigger it, and a step-by-step prevention protocol.
What to Eat After a Long Run: Recovery Meals That Actually Work
Your long run does not end when you stop running. What you eat in the next 2 hours determines how well you recover — and how your next run feels.
How to Calculate Your Carb Needs for Any Workout
Stop guessing how many carbs you need. A simple formula based on workout type, duration, and intensity — no nutrition degree required.
Running Cramps: Why They Happen and How Nutrition Stops Them
That sudden, sharp pain in your calf or hamstring is not just bad luck. Learn the three real causes of running cramps and the nutrition fixes that actually prevent them.
The Busy Runner's Nutrition Guide: How to Eat Right When You Have No Time
You work full-time, you train 4–5 days a week, and you do not have time to meal prep for 3 hours on Sunday. Here is how to fuel properly with minimal effort.
10K Race Nutrition: What to Eat Before, During, and After
The 10K is short enough that every bite matters and long enough that poor fueling will cost you. Here is the exact nutrition strategy for your best 10K.
Running Fueling Strategy for 5K, 10K, Half Marathon, and Marathon
A practical distance-by-distance fueling guide for runners, with simple carb and gel targets you can apply in training and on race day.
Half Marathon Fueling Plan (Beginner-Friendly): Exactly What to Eat
A simple, step-by-step fueling strategy for first-time half marathoners, including breakfast timing, gel count, and hydration targets.
Marathon Carb Loading: A Practical 3-Day Plan That Actually Works
Skip the pasta-party myths. Use this three-day carb-loading structure to maximize glycogen stores without feeling bloated on race morning.
What to Eat Before an Evening Run (After Work): No-Stomach-Issue Guide
Running after work is convenient but tricky to fuel. Use this timing guide to avoid heavy stomach, low energy, and late-night overeating.
Cycling Race-Week Nutrition Plan for Century Rides and Gran Fondos
A practical race-week nutrition structure for cyclists so you show up with full glycogen, steady hydration, and a clear race-day fueling routine.
What to Eat Before, During, and After a Century Ride
Use this complete century-ride fueling strategy to avoid late-ride bonks, maintain power, and recover faster after long days on the bike.
Race Day Breakfast Guide: 5K, 10K, Half Marathon, and Marathon
Use this quick guide to choose the right race breakfast for your event distance, start time, and stomach tolerance.
How to Practice Race Nutrition Before Race Day: A 4-Week Gut-Training Plan
Most race-day nutrition failures happen in training, not on race morning. Use this step-by-step 4-week plan to test carbs, fluids, sodium, and timing before your goal race.
How to Build a Race Day Nutrition Kit on a Budget (Without Sacrificing Performance)
You do not need premium-priced supplements to fuel well. Build a complete race-day nutrition kit with low-cost gels, drink mixes, and real-food options that still hit endurance targets.
Hyrox Race Week Nutrition Plan: Exactly What to Eat in the Final 7 Days
Use this Hyrox-specific 7-day nutrition plan to top up glycogen, sharpen hydration, and avoid last-minute mistakes that cost speed and strength.
Cycling Fueling Guide: How Many Carbs Per Hour for Training and Race Day
Learn exactly how many carbs per hour cyclists should target by ride duration and intensity, plus hydration and sodium targets to prevent late-ride fade.
Running Race Day Fueling Guide: 5K to Marathon Nutrition by Distance
Use distance-specific running nutrition targets for 5K, 10K, half marathon, and marathon so you can avoid under-fueling and finish stronger.
Hyrox vs Cycling vs Running Nutrition: The Fueling Differences That Actually Matter
Hyrox, cycling, and running all need carbs, fluid, and sodium, but the delivery strategy changes by intensity, duration, and GI tolerance demands.
What Professional Athletes Know About Nutrition That Amateurs Don't
Elite athletes do not rely on motivation. They use repeatable nutrition systems: workout-specific carbs, personalized hydration, and disciplined recovery.
Winter Training Nutrition: How Cold Weather Changes Your Fueling Needs
Cold weather often hides underfueling and dehydration. Learn how to adjust carbs, fluids, and sodium so winter training quality stays high.
Why Apps Like Noom and Lose It Don't Work for Athletes
General weight-loss apps solve a different problem. Endurance athletes need workout-specific fueling, hydration, and recovery timing for performance.
How to Fuel for Hyrox: The Complete Nutrition Guide for 2026
Hyrox demands a unique nutrition approach — you're running 8km AND crushing strength stations. Learn the science-backed fueling strategy that elite Hyrox athletes use for training and race day.
What to Eat Before, During & After Your Hyrox Race (With Exact Timing)
Stop guessing. Here's the exact meal timing and food choices for Hyrox race day — from your pre-race breakfast to post-race recovery, with examples for morning and afternoon starts.
7 Hyrox Nutrition Mistakes That Are Killing Your Performance
Training hard but still hitting the wall at station 6? These 7 common Hyrox nutrition mistakes might be sabotaging your race — and most athletes don't even realize they're making them.
Workout Fuel Calculator: How to Fuel Any Workout (Beginner Guide)
If you keep fading late in workouts, it’s rarely a fitness problem — it’s a fueling problem. Here’s how to use a workout fuel calculator to get carbs, timing, and hydration right (without spreadsheets).
How Mavr Calculates Your Workout Fuel Plan (Without Spreadsheets)
Spreadsheets can be “correct” and still fail in real training. Here’s the Mavr approach: pick the workout that matters, set a carb target you can execute, and pair it with hydration and meal timing that makes sense.
The Workout Fuel Calculator Explained: How Your Fuel Plan + Meal Plan Work Together
Most athletes don’t need more nutrition rules — they need better timing. Here’s how Mavr links your workout fueling plan (carbs + hydration) with a daily meal plan that supports the session.
Carbs Per Hour for Running: The Simple Guide (30 vs 60 vs 90g)
The most searched question in endurance nutrition is also the most misunderstood: how many carbs per hour should you take? Here’s the simple answer — plus a beginner-friendly schedule you can actually follow.
How Many Gels for a Half Marathon? (Simple Guide + Example Schedules)
Half marathon fueling doesn’t need to be complicated. Here’s how many gels most runners need, when to take them, and what changes if you’re using sports drink too.
How Many Gels for a Marathon? (Simple Guide + Mile-by-Mile Timing)
Most marathon bonks happen because fueling starts too late. Here’s how many gels you need, when to take them, and how to build a simple plan you can actually execute on race day.
What to Eat Before a Morning Run (15, 30, 60, 120 Minutes Before)
Morning runs are where fueling falls apart: you’re rushed, you’re half-awake, and you don’t want stomach issues. Here’s a simple timing-based guide that actually works.
How Much Sodium Per Hour While Running? (Simple Ranges + Signs You Need More)
If your late-run fades feel “mysterious,” sodium is often the missing piece. Here’s how much sodium per hour runners typically need, when electrolytes matter most, and how to spot low-sodium mistakes.
Why Your Stomach Upsets During Hard Efforts (And What to Do)
That painful cramp, nausea, or runner's trots during a hard effort isn't normal. Learn the science behind GI distress during exercise and proven strategies to fix it.
The 10 Most Common Nutrition Mistakes Endurance Athletes Make
From underfueling to wrong timing, these nutrition mistakes are silently sabotaging your training. Learn what they are and how to fix them for better performance.
How to Test Your Sweat Rate (And Why You Need To)
Stop guessing your hydration needs. Learn a simple DIY sweat rate test and how to use the results to personalize your hydration strategy for better performance.
From Bonk to PR: How Smart Nutrition Changes Your Training
That wall you hit at mile 20 might not be your training — it might be your fueling. Learn how proper nutrition can transform your race results.
Your Body, Your Fuel: Why Personalization Matters More Than Generic Advice
That nutrition plan that worked for your training partner might not work for you. Learn why personalized fueling is the future of endurance performance.
Mavr vs MyFitnessPal: Why Tracking Calories Isn't Enough
MyFitnessPal counts calories. Mavr optimizes performance. See why serious athletes are making the switch for better training and race results.
Glycogen: Your Hidden Fuel Tank Explained
Your muscles hold enough glycogen for 90–120 minutes of racing. Learn how to maximize these stores and use them efficiently for better endurance performance.
The Complete Guide to Nutrition for Your First Marathon
Your first marathon is a journey. This comprehensive guide covers everything from training nutrition to race day fueling, carb loading, and recovery.
Carb Loading Done Right: Beyond the Old Pasta Dinner
The old pasta dinner is just the beginning. Learn the science of carb loading and how to maximize your glycogen stores for race day success.
10 Signs You're Underfueling (Even If You Think You're Not)
Underfueling is the silent performance killer. Learn the 10 signs that suggest you're not eating enough to support your training — and what to do about it.
15 Signs You Need a Sports Nutrition App
Still tracking calories in a spreadsheet? Guessing your hydration needs? These 15 signs suggest it's time to upgrade to a dedicated sports nutrition app.
Introducing Sweat Profiles: Why Your Hydration Needs Are Unique
Your sweat rate and sodium loss are as unique as your fingerprint. Learn how sweat profiles personalize your hydration strategy for better performance.
When 'Healthy' Eating Actually Hurts Your Performance
That green smoothie and quinoa bowl might be healthy — but it might also be sabotaging your training. Learn why some healthy foods hurt athletic performance.
The Weekend Warrior Who Finally Stopped Crashing at Mile 20
Mark was a strong cyclist who hit the wall every single long ride. His secret? Not more training — it was finally learning how to fuel.
The Cyclist's Guide to Race Day Nutrition: From 50K to 200K
Your training is done. Now it's time to fuel. Learn exactly what to eat, drink, and carry for every race distance — from criteriums to double centuries.
Ultramarathon Nutrition: How to Eat for 50+ Miles
You're running 50 miles. You'll burn 5,000+ calories. Here's how to fuel without bonking, vomiting, or walking into aid stations in defeat.
Triathlon Nutrition: The Brick Workout Fueling Strategy
Brick workouts are hard enough without an upset stomach. Learn how to fuel the bike-to-run transition so you can actually run off the bike.
How to Choose the Right Sports Drink for Your Body
Not all sports drinks are created equal. Learn what to look for in a carb-electrolyte drink and how to pick one that matches your sweat and stomach.
How to Transition From Gels to Real Food During Races
Tired of choking down gels? Learn how to add real food to your race nutrition — potatoes, rice cakes, fruit, and more — without upsetting your stomach.
Why Fasted Training Is Overrated for 99% of Athletes
Fasted runs are trendy, but the science says most athletes are better off fueled. Here's why training with food in your stomach beats exercising on empty.
Hydration & Electrolytes for Endurance Athletes: What You're Missing
You can train perfectly, fuel correctly, and still fall apart on race day — all because of hydration. Learn the real science of hydration for endurance athletes and how to avoid mistakes that wreck performance.
Fueling During Long Workouts: What to Eat Hour by Hour
Avoid bonking on long runs and rides with an hour-by-hour fueling plan, carb targets, and hydration tactics backed by elite endurance research.
How to Recover Faster After Hard Workouts: Nutrition, Science, and Smart Habits
Recover faster after hard workouts with science-backed carb, protein, hydration, and rest habits — plus Mavr automation for effortless execution.
How to Carb Load Before a Marathon: The Science-Backed 2026 Guide
Master carb loading in the final 72 hours before race day with science-backed targets, sample menus, and Mavr automation built for endurance athletes.
Race Week Nutrition Checklist: What to Eat, What to Avoid, and How to Adjust
Race week is where good training meets smart nutrition. Your complete 7-day nutrition plan for marathon success with carb loading, hydration, and recovery strategies.
How to Fuel for a Marathon: The Complete Guide for 2026
Master carb loading, race-day gels, hydration, and recovery with this science-backed marathon fueling plan tailored for 2026 and powered by Mavr.
The Best EatMyRide Alternatives for Smarter Fueling in 2026
Compare the best EatMyRide alternatives for 2026 — including Mavr, Fuelin, Hexis, Cronometer, and MyFitnessPal — to fuel smarter across every workout.
The Best Fuelin Alternatives for Endurance Athletes in 2026
Explore the best Fuelin alternatives for 2026 — including Mavr, Hexis, EatMyRide, Cronometer, and MyFitnessPal — to find smarter fueling for endurance athletes.
Mavr vs EatMyRide: Which Fueling App Is Best for Runners and Cyclists in 2026?
Compare Mavr vs EatMyRide to see how AI-driven fueling, recovery insights, and multi-sport support make Mavr the smarter choice for runners and cyclists in 2026.
Mavr vs Hexis: Which Fueling App Is Best for Runners and Triathletes in 2026?
Compare Mavr vs Hexis to see which fueling app gives runners and triathletes adaptive nutrition, race-day planning, and effortless daily guidance in 2026.
Mavr vs Fuelin: Which Nutrition App Is Better for Endurance Athletes in 2026?
Compare Mavr vs Fuelin and see why endurance athletes are switching to Mavr — the AI-powered fueling app that delivers adaptive nutrition planning.
How to Fuel Your Runna Training Plan: The Complete Nutrition Guide
Runna builds your training plan — but who builds your fueling plan? Learn exactly what to eat before, during, and after every Runna workout so you stop bonking and start recovering faster.
Runna Won't Tell You This: Why Most Runners Eat Backwards
You're eating too much on easy days and too little on hard days. Here's why your Runna training plan is suffering — and the counterintuitive fix that elite runners already know.
Carb Loading Is a Lie (And 6 Other Running Nutrition Myths That Are Hurting Your Training)
Everything you've been told about carb loading, protein shakes, fasted running, and hydration is wrong — or at least dangerously oversimplified. Here's what the science actually says.
Mavr vs MyFitnessPal: The Best Nutrition App for Serious Runners in 2026
Compare Mavr vs MyFitnessPal and see why runners and triathletes are switching to Mavr — the AI-powered fueling app that syncs with your training data for smarter, performance-driven nutrition.
Mavr vs Cronometer: The Best Nutrition App for Runners and Endurance Athletes in 2026
Compare Mavr and Cronometer to see which nutrition app actually improves endurance performance with adaptive fueling, race-day planning, and AI coaching.