What is the weather usually like on race day for the Butte 100 MTB Race?

Based on 10 years of weather data for Butte, MT, race mornings typically start near 51°F and warm to around 78°F.

MTB · 104.1 Miles · 54.6 Miles · 29.6 Miles

Butte 100 MTB Race

Butte, MT · Saturday, July 17, 2027 · in 354 days

When

Saturday, July 17, 2027

Where

Homestake Pass, Butte MT

Distances

104.1 Miles · 54.6 Miles · 29.6 Miles

Typical weather

51–78°F · low rain risk

SEE LAST 10 YEARS ▾

About this race

Race Overview 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. Event Highlights Location: Taking place atop the Continental Divide, Butte, Montana. Race Options: Choose from three races: 100 mile, 50 mile, and the Sorini 25. Growth: From a local event to a race attracting world-class athletes. Community Support: Supported by outstanding partnerships with USFS, BLM, and generous sponsors. Volunteer Support The Butte 100 races continue to provide the best mountain bike racing experience possible thanks to the “neon army” of volunteers. Stay Updated Please visit our Facebook page for updates and announcements. Race Information For more details, visit the official race page: Butte 100 MTB Race .

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