2027 Western States 100
Olympic Valley, CA
Sat, Jun 26, 2027
In 237 days · Sat, Jun 26, 2027
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When
Saturday, June 26th, 2027
Where
1960 Olympic Valley Rd, Olympic Valley CA
Distance
Typical weather
46–75°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2026
49–62°F
dry
2025
37–75°F
dry
2024
53–76°F
dry
2023
39–66°F
dry
2022
49–80°F
dry
2021
52–84°F
dry
2020
52–83°F
dry
2019
42–62°F
dry
2018
48–82°F
dry
2017
52–74°F
dry
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About this race
Race Overview
- Event Name: Western States 100-Mile Endurance Run
- Location: 1960 Olympic Valley Rd, Olympic Valley, CA
- Date: June 26, 2027
- Website: www.wser.org
Race History
- Established: The world's oldest 100-mile trail race
- Course Features: Climbs from Olympic Valley over the Sierra crest
- Descent: Down canyons to the track in Auburn
- Lottery: Entry is via years-long lottery
Finisher Awards
- Cut-off Time: Finishers must complete the race in under 24 hours
- Award: Earn the prestigious silver buckle for finishing
Course map
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