Races Marathon · Napa, USA
Napa Valley Marathon
Napa Valley Marathon is a rolling marathon in Napa, USA, held each March. Point-to-point down the Silverado Trail through wine country — net downhill with constant gentle rollers. March is cool, 6-14C, with rain possible. With Napa Valley Marathon's constant undulation, pace by effort rather than the watch: even effort beats even splits here.
Last updated 2026-07-03 · confirm dates & entries on the official race site
When
March
every year
Course
rolling
Marathon
Conditions
March is cool, 6-14C, with rain possible.
Racing this course well
Point-to-point down the Silverado Trail through wine country — net downhill with constant gentle rollers.
With Napa Valley Marathon's constant undulation, pace by effort rather than the watch: even effort beats even splits here.
Pick your goal for Napa
Pace charts, weekly structure and timelines for the most common marathon goals:
Asked often
- When is the Napa Valley Marathon?
- It is held each March in Napa, USA. Check the official Napa Valley Marathon site for the exact date and entry windows.
- Is the Napa Valley Marathon course flat?
- Point-to-point down the Silverado Trail through wine country — net downhill with constant gentle rollers.
- How should I train for the Napa Valley Marathon?
- Train specifically for Napa — terrain, conditions, goal pace — and let the plan flex around real life. That's exactly what RunV's engine does after every run you log.
Not sure what to target? Predict your marathon time from a recent race →
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Build for Napa — around your actual life
RunV engineers your block backwards from race day in March — and rebuilds it every time training doesn't go to script.
