Napa Valley Marathon
Calistoga, United States of America · Sunday 7 March 2027
The Napa Valley Marathon is an annual running event held in California's Napa Valley, typically in early March. The race starts in the town of Calistoga and follows the Silverado Trail southward, concluding at Vintage High School in the northern part of Napa. The point-to-point course runs through a rural landscape featuring vineyards, groves of flowering fruit trees, and views of surrounding mountains, with much of the route lined by world-renowned wineries and fields of mustard flowers.
Difficulty Calculator
h
:m
:s
Adjusted Time
3:56:47
Time difference: -3.2 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain172m
Elevation High120m
Elevation Low17m
Weather Forecast
High15°C
Low5°C
Chance of Rain0%
How hard is Napa Valley Marathon?
Moderateharder than 25% of marathons
Flattest / easiestHardest
On our difficulty model, Napa Valley Marathon plays about 1 minute slower than an average road marathon for a 3:30 runner. It ranks #862 hardest of 1150 marathons we analyse, and #417 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Napa Valley Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Napa Valley Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:55:50 | −04:10 |
| 3:30:00 | 3:26:16 | −03:44 |
| 4:00:00 | 3:56:47 | −03:13 |
| 4:30:00 | 4:27:21 | −02:39 |
| 5:00:00 | 4:58:00 | −02:00 |
| 5:30:00 | 5:28:41 | −01:19 |
| 6:00:00 | 5:59:26 | −00:34 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Napa Valley Marathon 2027 Course Analysis
Napa Valley Marathon is a full marathon held in Calistoga, United States of America. It is scheduled for Sunday 7 March 2027. The course is run on road surface with 172m of total climbing, with its high point near 120m above sea level. For registration and full race details, visit the official Napa Valley Marathon website.
Elevation Profile
With 172m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for March, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 5°C to 15°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (0%), so dry conditions are likely.
Surface Type: Road
Napa Valley Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Napa Valley Marathon against other marathons to find the right race for your goals.
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If Napa Valley Marathon fits your goal, these courses play out about the same on our difficulty model.
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