Jigger Johnson Ultras

Jigger Johnson Ultras is a White Mountain endurance event in Waterville Valley, New Hampshire, offering 100-mile (108 miles) with about 29,000 ft of elevation gain, 50-mile with 16,000 ft, and a 20-mile mountain loop. The courses traverse rugged, scenic terrain in the White Mountain National Forest, including climbs to Osceola, Tremont, Attitash, and North Moat, with dramatic ridge lines and long mountain days. A standout feature is the White Mountain Endurance Cup, a four-race series with medals and a series leaderboard.

The event uses a cupless policy, mandates gear, has no on-course crew, requires GPS navigation, and includes live tracking and remote aid stations. Visit the organization's website for the most recent information.