May ultramarathons in Maine, United States

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