Napa to Sonoma Wine Country Half Marathon takes place on Sun, Jul 18, 2027 in Napa, United States. The main route is 21.1 km.
- Date
- Sun, Jul 18, 2027
- Start
- Napa 🇺🇸
- Distance
- 21.1 km
- Level
- Open to all
Your 41-week plan to Napa to Sonoma Wine Country Half Marathon
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
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A scenic point-to-point half marathon starting at Cuvaison Winery in Napa and finishing in historic Sonoma Plaza, accompanied by a post-race wine festival.
What this race demands
This half marathon requires sustained aerobic capacity to cover the 21.1-kilometer point-to-point distance from Napa to Sonoma during the warm July season.
Aerobic Endurance
Covering the 21.1-kilometer distance demands a well-developed aerobic base and consistent pacing over the entire point-to-point course.
Thermal Tolerance
Racing in Napa and Sonoma during July requires proper management of warm summer conditions and effective hydration strategies.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
1:45–2:10
Peak-week training
5–7 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at Napa to Sonoma Wine Country Half Marathon is 41 weeks away. This is how a coach divides that time. The first phase starts now.
01Base29 weeks · Oct 5, 2026 – Apr 25, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Apr 26, 2027 – Jun 6, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Jun 7, 2027 – Jun 27, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Jun 28, 2027 – Jul 11, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Jul 12, 2027 – Jul 18, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Napa to Sonoma Wine Country Half Marathon?
Napa to Sonoma Wine Country Half Marathon takes place on Sun, Jul 18, 2027 in Napa, United States.
How long is Napa to Sonoma Wine Country Half Marathon?
The main route is 21.1 km.
What does Napa to Sonoma Wine Country Half Marathon demand?
This half marathon requires sustained aerobic capacity to cover the 21.1-kilometer point-to-point distance from Napa to Sonoma during the warm July season.
Who is Napa to Sonoma Wine Country Half Marathon for?
Napa to Sonoma Wine Country Half Marathon is open to all participants.
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