Mammoth TUFF
Date not confirmed yet – Last edition: 18–20 September 2026 · Mammoth Lakes, California, United States
Gravel race in the eastern Sierra Nevada at around 2,400 m, founded by David Sheek and two-time Unbound winner Amanda Nauman. The 89-mile route is 63% gravel; its centrepiece is a 16-mile climb through the narrow Red Rock Canyon.
- Category
- UCI Gravel World Series
- Distances
- 89 / 67 / 41 mi (143 / 108 / 66 km)
- Elevation
- 2,250 m (89 mi)
- Country
- United States
Reports & articles
- UCI Gravel World Series: Cole Davis and Laurel Quinones conquer the altitude to claim commanding wins at Mammoth TUFF Cyclingnews · 19 Sept 2026
- UCI Gravel World Series: Caleb Bottcher and Jennifer Tave capture the top spots at Mammoth TUFF Cyclingnews · 15 Sept 2025