Napa Valley Endurance Run

Calistoga, United States • 12 Apr 2026

The Napa Valley Endurance Run is a challenging trail running event held in Calistoga, California, featuring four race distances: 50k, 35k, half-marathon, and 10k. Starting and finishing at the Calistoga Fairgrounds, the courses traverse scenic Robert Louis Stevenson State Park and ascend to the top of Mount St. Helena.

The 50k race is known for its difficulty, with over 7,500 feet of elevation gain, technical single-track trails, and multiple aid stations stocked with runner essentials. The event offers a rugged mountain race atmosphere, with limited crew access and long stretches between aid stations, encouraging runners to carry ample water. All finishers receive medals and shirts, with awards for top finishers and age groups. Visit the organization's website for the most recent information.

Race information

Visit the organization's website for the most recent information.
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