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Half Marathon Calendar near Sebastopol 2026-2027

Monthly updates for Sebastopol

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Explore the top half marathons near Sebastopol for 2026-2027! We've gathered 11 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
21
Sa

Beer City Half - Santa Rosa

5 km 10 km Half Marathon
March 2026
Mar
1
Su

Napa Valley Marathon

5 km Half Marathon Marathon
Mar
21
Sa

Napa Valley Trail Marathon

Trail Run 6 mi 13 mi 26 mi
April 2026
Apr
11
Sa

Lake Sonoma 100K

Trail Run Half Marathon 50 km 100 km
Apr
12
Su

Calistoga Mountain Run

Trail Run 10 km Half Marathon 35 km 50 km
Apr
18
Sa

Annadel Half Marathon

Trail Run 5 km 10 km Half Marathon
May 2026
May
9
Sa

The Wine Half Marathon

Trail Run 13 mi
May
16
Sa

Windsor Half Marathon - USA

3 mi 6 mi 13 mi
July 2026
Jul
25-26
Sa - Su

Napa to Sonoma Half Marathon

5 km Half Marathon
August 2026
Aug
22-23
Sa - Su

Santa Rosa Marathon

5 km 10 km Half Marathon Marathon
September 2026
Sep
12
Sa

Running Fence Run

5 km 10 km 13 mi 26 mi