Hard ultramarathons in United States (New England)

Scenic 1.9-mile loop at Notchview with a 0.2-mile climb, rolling single and double track, open fields, and cross-country ski trails

Three-day, 75-mile stage race on the SRKG Greenway with 15,500 feet of elevation gain, technical single-track, steep climbs, and lakeside scenery

Out-and-back route through the White Mountains, summiting three 4,000-foot peaks and covering up to 108 miles with 29,000 feet of elevation gain

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

Historic Midstate Trail routes through mountains, fields, and river crossings, with border crossings and New England autumn scenery

6.5-mile loop in Vermont's Green Mountains with 1200 feet of elevation gain, expansive views, and variable winter conditions

123-mile point-to-point crossing with mixed trail and road, a long, demanding effort across one of the nation’s smallest states.

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

Silver Towers, Ripton, Vermont, with routes into the Green Mountain National Forest and ultra distances extending to 551 miles.

Rolling jeep trails and river views along the Chesterfield Gorge, featuring out-and-backs on unpaved terrain with permanent mile markers

Point-to-point traverse of Connecticut along Blue Blazes, 112 rugged miles on Mattabesset and Menunkatuck trails, remote landscapes and significant elevation

Rugged Green Mountain foothills course with steep climbs, demanding trails, and a stripped-back ultra format from 50K to 200M.