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Kodiak Ultra Marathons

Big Bear Lake, United States • 10-11 Oct 2025

The Kodiak Ultra Marathons by UTMB is a multi-day trail running event held in Big Bear Lake, California, offering a variety of race distances, including 100 miles, 100K, 50K, 21K, and 10K. The race features stunning views of Big Bear Lake and traverses diverse landscapes such as high desert, sub-alpine, and semi-arid climates. It serves as a major qualifier for the UTMB® World Series Finals and the Western States Endurance Run, with opportunities for automatic qualification for top finishers. The event also includes a festival weekend with local food, entertainment, and community activities, making it a celebrated celebration of mountain trail running. Visit the organization's website for the most recent information.

United States California Big Bear Lake

Race information

Website
UTMB 20K UTMB 50K UTMB 100K UTMB 100M
159 km
4100 m+
100m
100 km
2350 m+
100k
50 km
1200 m+
50k
21 km
600 m+
21k
10 km
300 m+
10k
Visit the organization's website for the most recent information.
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