Butte 100 MTB Race

Butte, MT, USA
19 Jul, 2025 (Sat)

Mountain biking

26.64 mi, 50.33 mi, 99.8 mi

About the event

Welcome to the most difficult mountain bike race in the country: The Butte 100. The Butte 100 race weekend consists of three individual races, a 100 mile, 50 mile and the Sorini 25, taking place atop the Continental Divide just outside of Butte, Montana. The race has grown from a small group of dedicated locals on a gravel road, to world-class athletes competing on world-class trails. With outstanding partnerships with the USFS, BLM, community of Butte, our generous sponsors, and the “neon army” of volunteers, the Butte 100 races continue to provide the best mountain bike racing experience possible. Thanks for visiting.

Please visit our Facebook page for updates and announcements.

Races offered by this event

You have 33 weeks to prepare

Butte 100 Mountain Bike Races

19 Jul, 2025 (Sat) - 06:00
Mountain biking
99.8 mi
Solo
On site
Gravel

Butte 50

19 Jul, 2025 (Sat) - 07:00
Mountain biking
50.33 mi
Solo
On site
Trail

Sorini 25

19 Jul, 2025 (Sat) - 08:00
Mountain biking
26.64 mi
Solo
On site
Gravel

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