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Napa Valley Endurance Run

Calistoga, United States • 13 Apr 2025

The Napa Valley Endurance Run is a premier trail ultra event held in Calistoga, California, featuring four challenging races: 50K, 35K, half marathon, and 10K. Participants traverse scenic routes through Robert Louis Stevenson State Park and ascend to the top of Mt. St.

Helena, with the 50K often regarded as one of the toughest races in the region. The event starts and finishes at the Great Lawn in the Calistoga Fairgrounds, offering ample aid stations and post-race festivities. All finishers receive medals and t-shirts, with awards for top finishers in each category. Visit the organization's website for the most recent information.

United States California Calistoga

Race information

Website
UTMB 20K UTMB 50K
50 km
7500 m+
50k
35 km
35k
13 mi
1/2 Marathon
10 km
10k
Visit the organization's website for the most recent information.
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