Curated Collections
Hand-picked bucket list races for every type of runner
All collections
Alpine Classics
Mountain ultras in France, Italy, Switzerland, Austria and Slovenia with at least 1,000 m of climbing.
Explore Collection →Desert Survival
Sand, heat and self-sufficiency — from Badwater and Marathon des Sables to the Sahara and the American Southwest.
Explore Collection →Fast 100-Milers
100-mile races the organiser expects you to finish in 30 hours or less — the fastest end of the distance.
Explore Collection →US Mountain Ultras
Races across the United States with 2,000 m or more of vertical gain.
Explore Collection →