Races›United States›New Mexico›Jemez Mountain Trail Runs
Los Alamos, NM, seen from above
Saturday 15 May 2027

Jemez Mountain Trail Runs

Los Alamos, New Mexico · United States
UltraMountain100% trail

Climbs the volcanic peaks of the Jemez Mountains

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Course

Three races on the technical mountain trails of the Jemez Mountains near Los Alamos, New Mexico, at high altitude. The 50K and 50 mile courses include extremely steep technical climbs and descents, scree fields, stream crossings and fallen trees. Aid stations are numerous but some gaps exceed five miles, and all races are cupless so runners carry their own water.

50 Mile50 mi
50K50 km
15 Mile15 mi

Key dates

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About

Jemez Mountain Trail Runs is a trail ultramarathon based in Los Alamos, New Mexico, crossing the volcanic peaks and canyons of the Jemez Mountains near Pajarito Mountain. Runners choose 15-mile, 50K, or 50-mile distances across high-altitude terrain.

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