Grand Island Trail Runs
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About the race
Grand Island Trail Runs takes place on July 31, 2027 on Grand Island, offshore from Munising, Michigan. The event offers these distances:
- 50K
- Marathon
- Half Marathon
Courses follow the island perimeter and include singletrack, two-track, narrow dirt roads, sandy beach, and fast dirt forest roads. Notable course features include Trout Bay, Echo Lake, the island tombolo, Jacobsville sandstone cliffs, North Beach, Murray Bay, Duck Lake, and views toward the Pictured Rocks National Lakeshore. Much of the trail is shaded by hardwood and pine forest. The 50K route includes an inland section to the island summit and uses marked trails with directional flags and mile markers.
Aid station and equipment details are specified for each distance. The 50K has five aid stations, with two passed twice for seven total stops. The marathon shares most 50K stations; the half marathon has two aid stations near miles four and nine. All runners must carry a 20 oz water bottle or other functional hydration system and may refill at aid stations. Aid offerings include water, an electrolyte drink (Gnarly Fuel2O), and light snacks.
Logistics note that a ferry ride to the island is included with registration; additional round-trip ferry tickets are available for a fee and include shuttle service. Parking at the ferry dock is limited to island residents and staff, with shuttle pickup locations provided. Entrant limit is 500. Drop bags are stored near the start and finish. Finisher medals are provided and podium awards are given to the top three finishers in each distance. Visit the organization's website for the most recent information.
