California Half Marathon Calendar 2025-2026

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Explore the best half marathons in California for 2025-2026! Our updated list features 320 exciting races across the region. Find your next race in California below and join the running community at these great events!

May 2026
May
16
Saturday

Wild Rose Half Marathon

Trail Run 5 km Half Marathon
May
16
Saturday

A Wild Good Time

5 km 13 mi
May
16
Saturday

Windsor Half Marathon - USA

3 mi 6 mi 13 mi
May
17
Sunday

Venice Beach Half Marathon

3 mi 13 mi
May
23
Saturday

The Best Races - Sacramento

5 km 10 km 13 mi
May
25
Monday

Laguna Hills Memorial Day Half Marathon

3 mi 6 mi 13 mi
May
30
Saturday

Sonoma Coast Trail Runs

Trail Run Half Marathon 30 km Marathon 50 km
May
30
Saturday

San Jose Half Marathon

8 km Half Marathon 408 km
May
30
Saturday

Beer City Half San Jose

5 km 10 km Half Marathon
May
30-31
Sa - Su

Rock 'n' Roll San Diego

5 km Half Marathon Marathon
May
30
Saturday

Nitro Trail

Trail Run 5 km 10 km Half Marathon
May
30
Saturday

Pacifico Ultra

Trail Run Half Marathon 50 km
May
30
Saturday

Cinderella Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
May
31
Sunday

Toro Park Trail Run

Trail Run 10 km Half Marathon Marathon
May
31
Sunday

Long Beach Classic Half Marathon

3 mi 13 mi
June 2026
Jun
6
Saturday

Malibu Canyon Trail Races

Trail Run Half Marathon 30 km ... 50 mi 100 km
Jun
6
Saturday

The Best Races - Mission Beach

5 km 10 km 13 mi
Jun
6
Saturday

Fontana Days Run

5 km 13 mi
Jun
7
Sunday

Seaside Marathon

5 km 10 km Half Marathon Marathon
Jun
7
Sunday

Lake Chabot Trail Challenge

Trail Run 5 km Half Marathon
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