Ultramarathons in Maine, United States in 2027

50K and 50-mile options on vehicle-free gravel park roads in Cobscook Bay State Park, using a modified Backyard Ultra loop format.

Rugged 100-mile course on ATV trails and forest paths in Androscoggin Riverlands State Park, with technical sections, river views, and constant undulations.

Three rugged loops over Mount Agamenticus with steep climbs, technical trails, rocky descents, and panoramic hilltop views in a forested Maine setting

Backyard-style ultra on coastal Maine trails, 4.17-mile loops around Buttermilk Mountain with single and doubletrack through serene woodlands

Trail courses winding through Maine’s scenic woodland terrain, featuring both individual and team endurance events in a festival atmosphere

Wide double-trails and technical single-track paths south of Sebago Lake, featuring challenging steep climbs on a clearly marked 10k loop

Flat 4-mile loop on historic rail trail passing watersheds and a beaver pond, with scenic views along Waterhouse Brook and Lower Range Pond