Half Marathons in California 2026 | Upcoming Races & Dates

There are 256 half marathons in California scheduled for 2026. The next is the Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO in San Mateo on October 10. California half marathons run primarily October through August.

Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs

Sat, Aug 28 · Long Beach, CA Long Beach

1 Miler1 Miler5K +5

From $25 Open

GOOD COMPANY 14K

Sun, Aug 29 · Valencia, CA Valencia

GOOD COMPANY 14K

From $84.95 Closed

Torrance Memorial Medical Center, BRA Run, Los Angeles

Sun, Aug 29 · Playa Del Rey, CA Playa Del Rey

Kids 1KKids 1K5K +13

From $12.5 Open 14 spots left

Barbara Schmidt Millar Women's Triathlon & 5K: Celebrating Life, Empowering Women

Sun, Aug 29 · Nevada City, CA Nevada City

Barbara Schmidt Millar Women's 5k Run/WalkBarbara Schmidt Millar Women's 5k Run/WalkBarbara Schmidt Millar Women's Triathlon Celebrating Life, Empowering Women +3

From $40 Closed

Beer City Half™ Bishop Ranch

Sat, Sep 11 · San Ramon, CA San Ramon

Beat The Beast Beer MileBeer StrollBeat The Beast Beer Mile +11

From $25 Open

Pre Reg 2028 Torrance Memorial Medical Center, BRA Run, Los Angeles

Mon, Aug 28 · Playa Del Rey, CA Playa Del Rey

Kids 1KVirtual 5K5K +5

From $12.5 Closed 20 spots left

Half Marathons in California — 2026

Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs

GOOD COMPANY 14K

Torrance Memorial Medical Center, BRA Run, Los Angeles

Barbara Schmidt Millar Women's Triathlon & 5K: Celebrating Life, Empowering Women

Beer City Half™ Bishop Ranch

Pre Reg 2028 Torrance Memorial Medical Center, BRA Run, Los Angeles

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