12hr ultramarathons in Rhode Island, United States

Scenic Colt State Park loops with pavement, rooty trails, and grass; mostly flat terrain, waterfront views, frequent aid stations, summer heat challenge

Demanding forest trails and varied terrain in the scenic Big River Management Area, West Greenwich, Rhode Island

Multi-lap Monastery Trails course with a 50K trail option, scenic spring setting, and a festive St. Paddy’s Day atmosphere.

Fixed-time hill-loop format with repeated climbs and descents, focused on cumulative elevation, pacing, and consistency over long hours.