Organiser
Western States 100
Olympic Valley, California, United States
26–27 Jun 2027
The original 100-mile trail race, from Olympic Valley to Auburn along the historic Western States Trail with over 18,000 ft of climbing.
Train for this raceAbout
The Western States Endurance Run is the world's oldest 100-mile trail race, running from Olympic Valley near Lake Tahoe to Placer High School in Auburn, California. The course follows the Western States Trail across the Sierra Nevada with more than 18,000 ft of climbing and nearly 23,000 ft of descent.
Entry is by lottery, with qualifying races, automatic entries and a HOKA Golden Ticket route. The 2027 lottery application window runs 1 to 21 November 2026 with the draw on 5 December.
Distances
| Name | Distance | Gain | Loss | Vert / km | Min altitude | Max altitude | Start | Start location | Finish | Course | Cutoff | Terrain | Technicality | Aid stations | Badges | Entry fee |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Western States 100 | 161.3 km | 5,486 m | — | 34.0 m/km | — | — | 26 Jun 2027 05:00 America/Los_Angeles | Olympic Valley, California | Placer High School, Auburn, California | Point to point | 30 h | Mountain | — | — | — | — |
Western States 100 terrain notes
Western States Trail from Olympic Valley over the Sierra Nevada to Auburn, with more than 18,000 ft of gain and nearly 23,000 ft of loss, canyon crossings and a river crossing.
Registration
- Status
- Open
Links
Notes
2027 lottery applications 1 to 21 November 2026, draw on 5 December 2026. Other entry routes: qualifying races, automatics, special consideration, wait list, raffle, Golden Ticket races, top ten and Silver Legend entry.