Maine Summer Adventure Race: 24-Hour
Saturday, July 11, 2026 · Greenwood, United States
About this race
Teams of one to four travel nonstop on an unmarked, linear course across Maine, covering ground by mountain bike, foot, and boat, navigating by map and compass. This annual event is known as "The hardest day in Maine".
Start location
308 Howe Hill Rd
Greenwood, ME