Napa Valley Marathon 2027
- Date
- March 7, 2027
- Location
- Napa, USA
- Distance
- 42.2 km
- Difficulty
- Easy
- Field
- 1,942 finishers
The 2027 Napa Valley Marathon takes place on Sunday, March 7, 2027 in Napa, USA. Point-to-point course running south along the Silverado Trail from Calistoga to Napa through vineyard country. Race-week weather is typically 6°C to 17°C.
Training for the Napa Valley Marathon?
Coach Icarus builds your plan around your fitness and your schedule.
The course
Point-to-point course running south along the Silverado Trail from Calistoga to Napa through vineyard country. Net downhill, dropping from nearly 400 feet at the start to about 60 feet at the finish, though there are rolling hills through miles 15-20 and the final five miles are flat. Finish at Vintage High School in Napa; USATF-certified Boston qualifier.
Course summary source: findmymarathon.com
Course map & elevation
No GPS track for this course yet.
We haven't mapped the Napa Valley Marathon route yet. Elevation data will appear here once a licensed or organizer-verified course map is available.
Race-week weather
Typical high
17°C
Typical low
6°C
Year-to-year swing
±2.1°C
Rain
3.6 mm/day
Based on 2020-2025 of race-week history, with peak gusts around 16 km/h.
Difficulty
Race facts
- Official race site
- napavalleymarathon.com ↗
- Start time
- 07:30
- Field size
- 1,942 finishers (2026)
- Boston qualifier
- Yes
Distances: 42.2 km
When is the Napa Valley Marathon 2027?
The 2027 Napa Valley Marathon takes place on Sunday, March 7, 2027.
Training for the Napa Valley Marathon?
Coach Icarus builds your plan around your fitness and your schedule.
Predict your finish time
Enter one recent race result and get predicted finish times across 5K, 10K, half marathon, and marathon.
Predicted Finish Time
52:07
Pace / km
5:13
Pace / mile
8:23
| Distance | Predicted Time |
|---|---|
| 5K | 25:00 |
| 10K | 52:07 |
| Half Marathon | 1:55:00 |
| Marathon | 3:59:47 |
Predictions assume similar fitness, course, and conditions — they are a starting point for goal setting, not a guarantee.
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