BestRacesroad · Butte 100 · Butte 50 · Sorini 25 · and 3 more
Butte 100 MTB Race
| Distances | Butte 100, Butte 50, Sorini 25, Tandem 100, Tandem 50, Tandem 25 |
| Surface | road |
| Field size | 27 runners |
| USATF certified | No |
| Boston qualifier | No |
From the race's RunSignup listing, with field size from its posted results, last updated September 4, 2026.
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Race-day weather
What the weather did on July 17 in each of the last 5 years, measured at Butte Bert Mooney Airport, 5.9 miles from Butte.
| Year | High | Low | Rain |
|---|---|---|---|
| 2026 | 88°F | 56°F | 0.07 in |
| 2025 | 85°F | 43°F | none |
| 2024 | 90°F | 47°F | none |
| 2023 | 83°F | 50°F | none |
| 2022 | 93°F | 48°F | none |
Daily highs and lows, not start-line temperatures: most races start in the cool of the morning, closer to the low. Source: NOAA National Centers for Environmental Information, GHCN-Daily.
Stay near Butte
Hotels and rentals in and around Butte, MT.
Preset to race weekend, Jul 16 – 18.
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