Napa to Sonoma Half Marathon 2027
The 2027 Napa to Sonoma Half Marathon runs vineyard-to-vineyard through the heart of Napa Valley, finishing with a celebrated wine-country party in Sonoma. July mornings in the vines are warm, so an early start and steady hydration are key.
This date is an estimate based on the organizer's usual scheduling pattern. Confirm with the official race website before making travel or registration plans.
Course Highlights
- Vineyard-to-vineyard route through Napa Valley
- Early-morning start among the vines
- Wine-country finish celebration in Sonoma
- Destination-race experience with rolling hills
Race Day Conditions
Mixed terrain — some rolling hills with flat stretches.
Mild — light clothing, stay hydrated early.
This is historical planning context, not a weather forecast.
Official organizer websiteRecommended Training Plans
With 49 weeks until race day, we recommend a 12-week training plan. Start by April 25, 2027 to use the full build.
How to prepare for this course
Your plan should account for the mixed road course in Napa, plus the conditions runners commonly encounter around this event. These resources add race-specific context without creating a duplicate training URL.
Half marathon race pace strategy
Plan for effort changes across rolling terrain rather than treating every mile as identical.
Half marathon weather strategy
Use the historical 64°F average as a packing and pacing prompt, not a race-day forecast.
Two-week taper guide
Arrive fresh by reducing training stress while keeping familiar movement in the final two weeks.
Train for the Napa to Sonoma Half Marathon
Get a plan personalized to your fitness level and schedule for the Napa to Sonoma Half Marathon on July 18, 2027, with VDOT-calibrated paces and this course's details pre-filled.
Build My Plan for Napa to Sonoma Half Marathon$19.99 intro price — only 100 places left, normally $34.99. No subscription, nothing to cancel.