Napa Valley Trail Marathon
Napa Valley Trail Marathon is a Bothe-Napa state park trail race with hills, rocky footing, creek crossings, and a smaller-field Northern California feel.
Napa Valley Trail Marathon quick facts
- Hosted at Bothe-Napa Valley State Park in Calistoga.
- Trail marathon with singletrack, hills, creek crossings, and rocky footing.
- Marathon format uses repeated park loops plus an out-and-back toward Old Bale Grist Mill.
- Official race materials list a six-hour cutoff and a no-headphones rule.
What is the Napa Valley Trail Marathon?
Napa Valley Trail Marathon is an Enviro-Sports trail race at Bothe-Napa Valley State Park. The official 2026 page positions it as a park-based marathon, half marathon, and 10K with all events starting and finishing inside the park.
Napa Valley Trail Marathon course route
Official race materials describe single-track, hills, streams, and rocky sections. The marathon uses repeated park loops and an out-and-back toward the Old Bale Grist Mill, so footing and rhythm matter more than split-chasing.
Weather for the Napa Valley Trail Marathon
Late March in Napa Valley usually means cool air and potentially softer trails after rain. Temperature is rarely the hardest part here; traction, footing, and narrow trail sections matter more.
Past Napa Valley Trail Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Saturday, March 21, 2026 | — | — |
| 2025 | Saturday, October 25, 2025 | — | — |
| 2024 | — | Completed | Open results |
Napa Valley Trail Marathon FAQ
When is the Napa Valley Trail Marathon?
The 2026 Napa Valley Trail Marathon is on Saturday, March 21, 2026.
How do I register for the Napa Valley Trail Marathon?
You can register for the Napa Valley Trail Marathon at raceroster.com.