Napa Valley Trail Marathon
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Event details
The Napa Valley Trail event on March 21, 2026 offers trail race distances in Bothe-Napa Valley State Park, Saint Helena, California. The event is limited to 300 participants. Distances offered include:
- Marathon
- Half Marathon
- 10K
T-shirts are provided to all participants. Personalized award ribbons are mailed to the top three male and female finishers in each age group for all distances. Finisher medals are awarded for the Full and Half Marathon. The event is not associated with the Napa Valley Marathon road race scheduled for March 2026.
Course and logistics
The course runs on single-track trails with hills, streams, and rocks. Course turns and trail crossings are marked with orange ribbon. The 10K is a single loop. The Half Marathon does the 10K loop twice. The Marathon includes the 10K loop plus a 4-mile out-and-back extension and repeats that sequence before a final 10K loop. There is one aid station at the start/finish area; marathoners encounter it at miles 6, 10, 16, and 20, and half marathoners see it once between loops. Course cut-off time is 6 hours with specified pace limits. Headphones and other audio devices are not allowed on the course. Bibs are mailed beginning two weeks before the event; unmailed bibs can be picked up on race morning. Parking inside the park is $10 per vehicle; overflow parking is available along Hwy 29. Visit the organization's website for the most recent information.
