The Hardrock 100 is a 102.5-mile ultramarathon held annually in Colorado's San Juan Mountains, featuring over 33,000 feet of elevation gain. The 2025 race is scheduled to start on July 11, 2025, in Silverton, Colorado. Notable entrants include Ludovic Pommeret, the 2024 champion, and Mathieu Blanchard, winner of the 2024 Diagonale des Fous.

More information about the entrants and lottery:

https://www.irunfar.com/2025-hardrock-100-lottery-results