Half Marathons in California — 2026

There are 14 half marathons in California scheduled for 2026. The next is the Half-Marathon Training for Fun & Fitness in Grass Valley on July 26. California half marathons run primarily July through August.

Double Dipsea

Sat, Aug 22 · Stinson Beach, CA Stinson Beach
DOUBLE DIPSEADouble Dipsea entry - with $40 donation
From $180 Open
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Sandman Tri

Sun, Aug 23 · Aptos, CA Aptos
Sandman DuathlonSandman TeamSandman Tri
From $70 Open 50 spots left
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Bikes & Beers Ventura

Sat, Sep 19 · Ventura, CA Ventura
15 MILE (10:00 AM Start Time)30 MILE (9:00 AM Start Time)30 MILE (9:30 AM Start Time) +3
From $17.87 Open
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Ventura Marathon

Sun, Feb 21 · Ventura, CA Ventura
1/2 Marathon - Deferred from 20261/2 Marathon1/2 Marathon - VIP +5
From $110 Open 20 spots left
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Browse by City

San Diego 3 Ventura 2 Fish Camp 1 Grass Valley 1 Lake Almanor 1 Aptos 1 Stinson Beach 1 Twentynine Palms 1 Valencia 1 Long Beach 1 Exeter 1

All California Races

View all running races in California →