161 kmTrail🇺🇸 Olympic Valley, United States

Western States 100

Saturday, 26 June 2027In 8 months · Start 05:00

The world's oldest 100-mile trail race runs from the Palisades Tahoe ski resort over the Sierra Nevada, through the hot canyons of the American River and across the river itself to Auburn. Entry is by qualifier plus a famously long-odds lottery.

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Facts checked 10 Oct 2026 against wser.org, wser.org, wser.org.

Elevation gain

5,490 m

Mountain · ↓ 7,010 m

Start altitude

1,894 m

above sea level, from terrain data

Temp at start

9°C

Peaks around 21°C

Entry fee

≈ $575

Lottery + qualifying

Finishers

320

typical year

Course

Point to point

30h cut-off

Getting thereFly into RNO (Reno), about 52 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Mountain: about 5,490 m of climbing and 7,010 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

9°C

Peak during race

21°C

Humidity

51%

Chance of rain

Wind

6 km/h

Race day in past years

Historical averages for 26 June ±3 days, 2016–2025, from 05:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

Course records

Men: 13:46:15 · Vincent Bouillard (2026)
Women: 15:28:05 · Jennifer Lichter (2026)

As of the 2025 season.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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Show your runners the course facts and race-day weather. Paste this code into your site; it displays the badge below and links to this page. It updates automatically when the race details change.

<a href="https://irun42.com/race/western-states" title="Western States 100 on iRun42"><img src="https://irun42.com/badge/western-states.svg" width="300" height="120" alt="Western States 100: course, elevation and race-day weather on iRun42" /></a>