- Weather
- 52°Ftypical startModelled estimate
- Field size
- ~1,500 runners
- Course
- Net downhill
- Elevation
- 100 ft gain · -1,000 ft net
Fast downhill coastal route
PR10Weather9Experience7
Early March · West Coast · Point-to-Point
Napa Valley Marathon
Napa, CA · Sunday, March 7, 2027
Point-to-point along the Silverado Trail through California wine country, with a modest net downhill that makes it a popular winter Boston-qualifying option before the valley's summer tourist season kicks in.
Runs along the scenic Silverado Trail
- Best for PR
- Boston Qualifier
- Scenic
Opens the race organizer's website
Typical start
47°
Cooler than 58% of U.S. marathons
Modeled historical conditions
Elevation gain
300ft
Flatter than 44% of races
Estimated total climb
Field size
2.5K
Larger than 79% of races
Estimated field
PR potential
9.5/10
Top 7%
Almanac model
Percentiles compare this race against all 224 U.S. marathons in the Almanac.
Course profile
300 ft gain · -250 ft net
Net downhill course, point-to-point.
0510152026.2
Race-day weather
Modeled from location, month and coastal proximity, not verified race history.
6 AM
39°
Start
47°
Midday
54°
ExcellentGoodWarmHeat risk
Typical start sits at 47°F, excellent marathon conditions.
Typical dew point 35°F, 38% chance of precipitation, wind around 7 mph. All modeled.
The bottom line
This is a course built to give time back.
Napa Valley Marathon is a strong choice for a fast time on tired legs, and the route gives back elevation for most of the 26.2 miles. The tradeoff is your quads, which will feel the descent in the closing miles.
Why runners choose this race
A point-to-point course around Napa, CA, that gives back elevation for most of the race.
The case for it
- PR attempts
- Boston qualification
- Runners who care about scenery
The tradeoffs
- No notable warnings in the data.
Course and logistics
- Course type
- Point-to-Point
- Surface
- Road
- Profile
- Net downhill
- Total gain
- 300 ft(estimated)
- Total loss
- 550 ft(estimated)
- Net elevation
- -250 ft(estimated)
- Field size
- ~2,500 runners(estimated)
- Crowd support
- Pockets of spectators
- Entry
- Data coming soon
- Start / finish
- Start and finish in different locations
Race details
- Typical timing
- Early March
- Next confirmed date
- Sunday, March 7, 2027
- Region
- West Coast
- Editorial tier
- Featured
- Data last reviewed
- 2026-08-26
- Best for PR
- Boston Qualifier
- Scenic
- Point-to-point
- Net downhill
- Destination race
Similar races
Races with a comparable profile.
- Weather
- 44°Ftypical startModelled estimate
- Field size
- ~800 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -2,000 ft net
Event: Cascade Express Marathon
PR10Weather9Experience7
- Weather
- 48°Ftypical startModelled estimate
- Field size
- ~1,500 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -2,000 ft net
High BQ rate along Cascade rail-trail
PR10Weather9Experience7