Jigger Johnson Ultras

Event overview

Jigger Johnson Ultras is a multi-distance trail running event held in the White Mountain National Forest with start/finish in Waterville Valley, New Hampshire. The event is scheduled for August 14-16, 2026 and is part of the White Mountain Endurance Cup series.

Distances and key statistics

• 108 miles (listed as the 100 Mile course) : total elevation gain ~29,000 ft, time limit 54 hours, max elevation 4,340 ft.
• 58 miles (50 Mile) : total elevation gain ~16,000 ft, time limit 30 hours.
• 20.1 miles (20 Mile) : total elevation gain ~5,900 ft, time limit 24 hours.

Course and support

The 108-mile course is an out-and-back between Waterville Valley and the South Moat turnaround and traverses multiple ridgelines and named peaks including Mount Tecumseh, Mount Osceola, Mount Tremont, Big Attitash and North Moat. The 50-mile route begins at South Moat and crosses ridgelines including Big Attitash and the Osceola ridgeline before returning to Waterville Valley. The 20-mile is a mountain loop that includes Mount Osceola and Mount Tecumseh. Aid stations are provided on the longer courses; drop bags are accepted at aid stations for the 100- and 50-mile events. The 20-mile has a single aid station around mile 11.3.

Logistics and requirements

Parking is at the Waterville Valley Town Square back lots; campground space is available at Osceola Vista Campground about 2 miles from the start/finish. The event enforces mandatory gear checks. Required items include potable capacity (minimum 2 L), water filter, GPX file on a device, emergency blanket, headlamp and spare batteries, insulating layers, neon reflective vest for road sections, communication device, battery pack and a basic first aid kit. Due to remote terrain there is limited or no crew access at many aid stations; pacer policies and crew rules vary by distance. Visit the organization's website for the most recent information.