California Half Marathon Calendar 2025-2026

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Explore the best half marathons in California for 2025-2026! Our updated list features 361 exciting races across the region. Find your next race in California below and join the running community at these great events!

May 2025
May - Jun
31-1
Sa - Su

Rock 'n' Roll San Diego

5 km 13 mi 26 mi
May
31
Saturday

Calero Trail Run - Spring

Trail Run 5 km 10 km ... 26 mi 50 km
May
31
Saturday

Beer City Half San Jose

5 km 10 km 13 mi
May
31
Saturday

San Jose Half Marathon

8 km 13 mi
May
31
Saturday

Wildcat Half Marathon

Trail Run 5 km 10 km 13 mi
May - Jun
31-1
Sa - Su

Finish The Run Griffith Park

5 km 10 km ... 50 mi 100 km
June 2025
Jun
1
Sunday

Toro Park Trail Run

Trail Run 10 km 21 km 42 km
Jun
1
Sunday

Lake Chabot Trail Challenge

Trail Run 5 km 13 mi
Jun
1
Sunday

Cinderella Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
Jun
1
Sunday

Seaside Marathon

5 km 10 km 13 mi 26 mi
Jun
1
Sunday

Howlapalooza Under the Strawberry Moon Half Marathon

5 km 10 km 13 mi
Jun
1
Sunday

Jawsiversary Run -The Great White Half Marathon

5 km 10 km 10 mi 13 mi
Jun
1
Sunday

Run the Rim

Trail Run 10 km 13 mi 22 mi
Jun
1
Sunday

Fun in the Sun Half Marathon - Lake View Terrace

5 km 10 km 15 km 13 mi
Jun
7
Saturday

Mt Umunhum Ultras

Trail Run 5 km 10 km ... 50 km 52 mi
Jun
7
Saturday

China Camp Trail Run

Trail Run 5 km 10 km 13 mi
Jun
7
Saturday

Fontana Days Run

5 km 13 mi
Jun
7
Saturday

Beachfront Run Half Marathon

5 km 10 km 13 mi
Jun
7
Saturday

Nike After Dark Los Angeles Half Marathon

13 mi
Jun
8
Sunday

Fun in the Sun Half Marathon - Long Beach

5 km 10 km 15 km 13 mi
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