Great Lakes Endurance is pleased to announce its 2025 Race Calendar.  Registration will open November 23, 2024 at 6:00 a.m. 

Great Lakes Endurance 2025 Race Calendar

June 7  Rock River Canyon 50K & 27K.  Zen quality single track from the Valley Spur Lodge to the Rock River Canyon Wilderness and back. Register.

June 21  Two Hearted 50K, 26.2M & 13.1M.  Transformative journey through the Two Hearted wilderness, atop bluffs overlooking Lake Superior, along the shores of Culhane Lake, the forested banks of the Little Two Hearted River and a finish at the Upper Tahquamenon Falls. Register. 

July 12  Waugoshance 50K, 26.2M &13.1M.  Diverse single track from Cross Village to Mackinaw City including Wycamp Lake, the Sturgeon Bay bluffs,  the wood bridge over the Carp River and shoreline of French Farm Lake.  Register.

July 26  Grand Island 50K, 26.2M &13.1M.  Twentieth anniversary edition of the classic trail run on Grand Island.  Experience white sand beaches, 300 ft colored sandstone cliffs and the crystal aquamarine color of the world’s largest freshwater lake.  Register.

August 9  Tahqua Trail 25K & 10K.  A trail runner’s dream.  Flowing single track through the Tahquamenon River wilderness including the mist of the Lower Falls.  Register.