NT
Napa to Sonoma Wine Country Half Marathon
Race Date
Jul 26, 2026
Location
Sonoma, CA
Course Info
USATF CertifiedCourse Type
Loop Course
Terrain
road
Difficulty
Rolling Hills
Elevation Gain
0'
Net Drop/km
+0.71 m
Separation
92.0%
USATF Certified Course
CA18022DT · Napa to Sonoma Half Marathon
Net uphill grade — expect a more challenging race. Point-to-point course layout.
Race Day Weather
5-year historical avgStart (Low)
55°
Afternoon (High)
84°
Hot conditions — adjust pace expectations, prioritize hydration
0.0"
Precipitation
9 mph
Wind
65%
Humidity
Race Photos
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