Running
Marathon
26.2 mi
145.00 EUR
Grand Island Trail Marathon
Estimating travel…
Distances
About
The Grand Island Trail Marathon takes runners through the scenic trails of Munising, Michigan, offering a challenging course with stunning views of Lake Superior.
Catering & aid stations
Aid stations will have large pitchers with cold water and cold Gnarly Hydrate, Hammer Gels, Hammer Nutrition Fizz, and Endurolytes to quickly refill your hydration system.
Pacers
Runners can expect to see pacer flags and target times per start wave. Pacing is encouraged but not mandatory.
Typical weather in Munising
Monthly averages based on historical data (2000–present).
Jan24°15°
↑ 08:27
↓ 17:26
Feb24°12°
↑ 07:52
↓ 18:12
Mar33°21°
↑ 07:59
↓ 19:53
Apr43°31°
↑ 06:59
↓ 20:35
May57°42°
↑ 06:13
↓ 21:14
Jun67°53°
↑ 05:54
↓ 21:42
Jul73°60°
↑ 06:10
↓ 21:36
Aug73°62°
↑ 06:47
↓ 20:57
Sep67°56°
↑ 07:26
↓ 19:59
Oct54°45°
↑ 08:05
↓ 19:01
Nov41°33°
↑ 07:50
↓ 17:15
Dec31°23°
↑ 08:25
↓ 17:01
Route maps
Results
View official resultsWhat's included in entry
- Custom race shirt by deadline
- Round trip bus transportation
- Custom hardwood engraved finisher medallion
Prices & signup
- Marathon145.00 EUR
Hotels near the start
FAQ
When is the registration deadline?
The registration deadline is July 20, 2026 at 11:59 p.m.
Are there any age groups?
Yes, there are age groups for all distances.
What is the refund policy?
There are no refunds. However, we will follow Aravaipa Running's withdrawal policy.
Last updated: Jun 10, 2026, 12:20:57 PM
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