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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.

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