Detailed pacing strategies, course breakdowns, and elevation profiles for the world's most iconic ultra marathons
The grandfather of 100-mile trail races, Western States takes runners from Olympic Valley to Auburn through the stunning Sierra Nevada mountains. Known for extreme heat, massive elevation changes, and a storied history dating back to 1974.
The most prestigious ultra in the world, UTMB circles Mont Blanc through France, Italy, and Switzerland. Legendary for brutal elevation, unpredictable alpine weather, and an electric atmosphere.
Race Across the Sky - Leadville 100 is a high-altitude monster starting at 10,200ft. The out-and-back course features climbs to 12,600ft and tests your ability to perform in thin air.
The most difficult 100-miler in America. A clockwise or counter-clockwise loop through the San Juan Mountains with 13 major climbs, five passes above 13,000ft, and an average elevation of 11,186ft.
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