Grandma's Marathon fueling plan
Where every Grandma's Marathon water and gel station falls at your pace, plus a carb and sodium plan built for your finish time.
Course route from organiser maps and OpenStreetMap data (© OpenStreetMap contributors, ODbL). Map tiles by Esri. Check the official course before race day.
Grandma's Marathon
Saturday 19 June, 7:45 start
- Distance
- 42.2 km
- Aid stations
- 15, all with water and sports drink
- Fruit
- Mile 19
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Want training-aware nutrition around this race? See Mavr on the App Store
General guidance for healthy adults, not medical advice. Talk to a doctor or registered dietitian if you have a health condition, take medicines or have special dietary needs. Caffeine advice is for healthy adults only. EFSA's safe limit is 200 mg in one dose and 400 mg in a day.
Every Grandma's Marathon aid station, and when you reach it
Time on the clock from your start, at an even pace. The organizer lists no gels on the course.
| Distance | What is there | 3:30 finish | 4:00 finish | 4:30 finish |
|---|---|---|---|---|
| Mile 3 (4.8 km) | Water, Powerade Ion4, toilets, first aid | 0:24 | 0:27 | 0:31 |
| Mile 5 (8 km) | Water, Powerade Ion4, toilets, first aid | 0:40 | 0:46 | 0:51 |
| Mile 7 (11.3 km) | Water, Powerade Ion4, toilets, first aid | 0:56 | 1:04 | 1:12 |
| Mile 9 (14.5 km) | Water, Powerade Ion4, toilets, first aid | 1:12 | 1:22 | 1:33 |
| Mile 11 (17.7 km) | Water, Powerade Ion4, toilets, first aid | 1:28 | 1:41 | 1:53 |
| Mile 13 (20.9 km) | Water, Powerade Ion4, toilets, first aid | 1:44 | 1:59 | 2:14 |
| Mile 15 (24.1 km) | Water, Powerade Ion4, toilets, first aid | 2:00 | 2:17 | 2:34 |
| Mile 17 (27.4 km) | Water, Powerade Ion4, PURE FUEL maple syrup, toilets, first aid | 2:16 | 2:36 | 2:55 |
| Mile 19 (30.6 km) | Water, Powerade Ion4, fresh fruit nearby, toilets, first aid | 2:32 | 2:54 | 3:16 |
| Mile 20 (32.2 km) | Water, Powerade Ion4, toilets, first aid | 2:40 | 3:03 | 3:26 |
| Mile 21 (33.8 km) | Water, Powerade Ion4, toilets, first aid | 2:48 | 3:12 | 3:36 |
| Mile 22 (35.4 km) | Water, Powerade Ion4, toilets, first aid | 2:56 | 3:21 | 3:47 |
| Mile 23 (37 km) | Water, Powerade Ion4, toilets, first aid; fresh fruit near mile 23.5 | 3:04 | 3:31 | 3:57 |
| Mile 24 (38.6 km) | Water, Powerade Ion4, toilets, first aid | 3:12 | 3:40 | 4:07 |
| Mile 25 (40.2 km) | Water, Powerade Ion4, toilets, first aid | 3:20 | 3:49 | 4:17 |
From the organizer's published course information. Check the runner information again in race week.
Sample plans for three finish times
Built for a 70 kg runner in mild weather with Maurten Gel 100 (25 g) and water at the aid stations. Pick how much carbohydrate you want to aim for. Your own plan changes with your weight, gel and the weather.
A middle target most runners can train up to.
3:30 finish
8:01 per mile
- 50 g carbs per hour
- 7 gels, first at 0:24 (Mile 3 (4.8 km))
- 600 to 900 ml fluid per hour
4:00 finish
9:09 per mile
- 50 g carbs per hour
- 8 gels, first at 0:27 (Mile 3 (4.8 km))
- 600 to 800 ml fluid per hour
4:30 finish
10:18 per mile
- 50 g carbs per hour
- 9 gels, first at 0:31 (Mile 3 (4.8 km))
- 600 to 800 ml fluid per hour
3:30 finish
8:01 per mile
- 75 g carbs per hour
- 10 gels, first at 0:40 (Mile 5 (8 km))
- 600 to 900 ml fluid per hour
4:00 finish
9:09 per mile
- 75 g carbs per hour
- 11 gels, first at 0:27 (Mile 3 (4.8 km))
- 600 to 800 ml fluid per hour
4:30 finish
10:18 per mile
- 75 g carbs per hour
- 13 gels, first at 0:15 (Mile 1.4 (2.3 km))
- 600 to 800 ml fluid per hour
3:30 finish
8:01 per mile
- 100 g carbs per hour
- 13 gels, first at 0:24 (Mile 3 (4.8 km))
- 600 to 900 ml fluid per hour
4:00 finish
9:09 per mile
- 100 g carbs per hour
- 15 gels, first at 0:16 (Mile 1.7 (2.8 km))
- 600 to 800 ml fluid per hour
4:30 finish
10:18 per mile
- 100 g carbs per hour
- 17 gels, first at 0:20 (Mile 1.9 (3.1 km))
- 600 to 800 ml fluid per hour
Race-day facts
- Date
- Saturday, 19 June 2027
- Start
- 7:45
- Distance
- 26.2 miles (42.2 km)
Grandma's Marathon fueling FAQ
Where are the water stations on the Grandma's Marathon?
There are 15 aid stations and all of them have water: at Mile 3 (4.8 km), Mile 5 (8 km), Mile 7 (11.3 km), Mile 9 (14.5 km), Mile 11 (17.7 km), Mile 13 (20.9 km), Mile 15 (24.1 km), Mile 17 (27.4 km), Mile 19 (30.6 km), Mile 20 (32.2 km), Mile 21 (33.8 km), Mile 22 (35.4 km), Mile 23 (37 km), Mile 24 (38.6 km) and Mile 25 (40.2 km). All of them also serve a sports drink.
Are there gels on the Grandma's Marathon course?
The organizer lists no gels on the course, so carry every gel you plan to take.
When does the Grandma's Marathon start?
The race is on Saturday, 19 June 2027, starting at 7:45 local time. Check the organizer's runner information in race week, since wave times can change.
How many gels do I need for the Grandma's Marathon?
It depends on your finish time and how much carbohydrate you have practised taking. At a steady target, a 4:00 finish uses about 11 gels of 25 g, or 75 g of carbs per hour. Enter your own pace, weight and gel in the calculator to get your number.