Jigger Johnson Ultras

Waterville Valley, United States • 14-16 Aug 2026

Jigger Johnson Ultras : event overview

The Jigger Johnson Ultras take place in the White Mountain National Forest, with the event center at Waterville Valley, New Hampshire. The 2026 dates are August 14-16. Distances offered:

  • 108 miles
  • 58 miles
  • 20.1 miles

Key numeric facts: the 100-mile course is listed as 108 miles with about 29,000 feet of total elevation gain and a maximum elevation near 4,340 feet. The 50-mile course is about 58 miles with 16,000 feet of gain. Time limits are published for each distance.

Course, logistics and requirements

The 100-mile race is an out-and-back from Waterville Valley to the South Moat area and back, traversing multiple peaks and long mountain ridges. The 50-mile and 20-mile courses follow ridgelines and forest trails and include long technical sections; the 50-mile route summits several high peaks. Multiple aid stations are placed around the courses and drop bags are permitted at aid stations (the 20-mile event has no midrace drop bags). Some short highway sections require wearing a neon reflective vest.

Crew access is restricted at remote aid stations; crew may volunteer at aid stations but crew assistance outside volunteer shifts is not allowed. Pacers are allowed from specified aid stations but must carry the same required gear and complete a gear check. Mandatory gear lists are enforced and include navigation (GPX file and map), minimum fluids, a water filter, food, warm and rain layers, headlamp and extra batteries, communication device, emergency blanket and a first aid kit. Qualifications are required for the longer distances (proof of recent long mountain efforts). Visit the organization's website for the most recent information.

Race information

108 mi
29000 m+
100 Mile
58 mi
16000 m+
50 Mile
20 mi
5900 m+
20 Mile
Visit the organization's website for the most recent information.
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