Races
Western States 100
A 100-mile trail race in Olympic Valley to Auburn, California. Entry is by lottery, and you need a qualifying ultra finish to enter it.
- Type
- Trail race
- Where
- Olympic Valley to Auburn, California
- Level
- Experienced ultrarunners
Race dates
2027: June 26–27, 2027
The 2026 race was on Weekend of June 27, 2026.
Dates change, so check the official site before you enter or book travel. Last checked June 3, 2026.
About the race
It runs from Olympic Valley to Auburn, California, in late June.
Best for experienced ultrarunners.
Training for it
Trail races reward time on your feet and climbing more than road speed. Train on terrain like the course.
- Build your long runs by time rather than distance.
- Practise hiking the steep climbs and running the descents.
- Check the mandatory kit list early and train with that kit on.
