
Grand Island

- Date
- Jul 31, 2027
- First start
- 6:00 am
- Distances
- 4 distances
- Time limit
- 15 hours (9:00pm)
- Elevation gain
- 3,041 feet
Run along the rugged, remote shoreline of Lake Superior at the Grand Island Trail Runs—an unforgettable race experience on a pristine island just offshore from Munising, Michigan. Offering 50 Mile, 50K, Marathon, and Half Marathon distances, each course showcases the island’s natural beauty: lush hardwood forests, sandstone cliffs, and sweeping Great Lakes views.
Runners will traverse a mix of singletrack, dirt roads, and sandy beach with highlights including Trout Bay, Echo Lake, towering Jacobsville sandstone cliffs, and the island’s scenic tombolo. Whether you're racing along the island's perimeter or climbing to its summit, this event offers stunning terrain and a true wilderness adventure.
Good to know
At the start line on the island
Refunds: There are no refunds within 7 days of the event. Race credits may be provided to be used towards another Great Lakes Endurance event if we are more than 7 days out.
Participant transfers: There are no bib transfers.
Distance changes: You can change your race distances by emailing the race director, Zach Mayfield, at zach@aravaiparunning.com
Nearest Airport: Marquette, MI (also know as KI Sawyer International) one hour drive time Host Hotel: Holiday Inn Express Lakeview, Munising, MI (overlooking Grand Island). Reservations recommended: 906.387.4800 Chamber of Commerce: 906.387.2138 Chamber of Commerce Website: www.algercounty.org The drive from Detroit metro to Munising is at least seven (7) hours.
Dogs are welcome on Grand Island. They are allowed on the shuttle bus, ferry boat and the start/finish area, but not on the race course. Please pick up animal waste.
Pick your distance
The numbers for each course, straight from the race page. Compare them side by side below.
- Date
- Saturday July 31, 2027
- Start Time
- 6:00 am
- Time Limit
- 15 hours (9:00pm)
- Distance
- 51.9 Miles
- Total Elevation Gain
- 3,041 feet
- Max Elevation
- 941 feet
Compare the distances
| 50 Mile | 50k | Marathon | Half Marathon | |
|---|---|---|---|---|
| Date | Saturday July 31, 2027 | – | – | – |
| Start Time | 6:00 am | 6:30 am | 7:00 am (Early Start Option: 6:00 am) | – |
| Time Limit | 15 hours (9:00pm) | 10 hours (4:30pm) | 6 Hours (2pm) | – |
| Distance | 51.9 Miles | 31.8 Miles | 27 Miles | 13.3 Miles |
| Total Elevation Gain | 3,041 feet | 1,891 feet | 1,505 feet | 415 feet |
| Max Elevation | 941 feet | 938 feet | 823 feet | – |
Course & location
Grand Island, Munising, MI




