Hard ultramarathons in New Hampshire, United States

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

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