Half-Marathon races in California, United States — 2026 running calendar

SuperHeroes Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

06 Jun, 2026 (Sat)

$30.00 - $60.00

Running

5K 10K Half-Marathon 1.6K +2

SuperHeroes Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

06 Jun, 2026 (Sat)

$30.00 - $60.00

Running

5K 10K Half-Marathon 1.6K +2

Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

06 Jun, 2026 (Sat) – 12 Dec, 2026

$30.00 - $60.00

Running

5K 10K Half-Marathon 1.6K +8

SuperHeroes Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

06 Jun, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

SuperHero - Runbelievable - 5K. 10K. Half Marathon by Califlow Runs

Long Beach, California, United States

06 Jun, 2026 (Sat)

$25.00 - $62.99

Running

5K 10K Half-Marathon 1.6K

71st Annual Fontana Days Run

Fontana, California, United States

06 Jun, 2026 (Sat)

Running

Half-Marathon 5K 1K

Run for Breast Cancer 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

06 Jun, 2026 (Sat) – 12 Dec, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Run for Breast Cancer 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

06 Jun, 2026 (Sat) – 12 Dec, 2026

$30.00 - $60.00

Running

5K 10K Half-Marathon 1.6K +8

SuperHeroes Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

06 Jun, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Race Through California 1M, 5K, 10K, 13.1, 26.2 - Now Only $20!

Los Angeles, California, United States

06 Jun, 2026 (Sat) – 31 Dec, 2026

$20.00

Running

1.6K 5K 10K Half-Marathon +1

Run for Breast Cancer 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

06 Jun, 2026 (Sat) – 12 Dec, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Wrigley River Run & Tadpole Trot

Long Beach, California, United States

06 Jun, 2026 (Sat)

$10.00 - $125.00

Running

16.1K Half-Marathon 10K 5K +2