5K races in California, United States — 2026 running calendar

Aug

15

Run for PB& J 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

15

Cookie Run 5K/10K/13.1 San Francisco

San Mateo, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Aug

15

Run for PB& J 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

15

Run for PB& J 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

15

Beer City Half™ SLAM

Fremont, California, United States

Running

Half-Marathon 10K 5K 1.6K +2

Aug

13

Cupertino Splash and Dash #2

Cupertino, California, United States

Swimrun Swimming Running

6.4K 0.8K 1.6K 4.8K +1

Aug

10

Palio di Sonoma - Marathon Challenge on the Fairgrounds Racetrack

Santa Rosa, California, United States

Running

4.8K Kids Run - Furlong Sprint (1/8 mile) Marathon

Aug

09

Tri Santa Cruz

Santa Cruz, California, United States

Swimming Running

1.5K Ultra 5K

Aug

09

Howl at the Moon – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

Running

5K 10K 15K Half-Marathon

Aug

09

The OC Fair Fun Run

Costa Mesa, California, United States

Running

5K 1.6K

Aug

09

Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon by Califlow Runs

Long Beach, California, United States

Running

5K 10K Half-Marathon 1K

Aug

08

Run Through the Pines | 5K and 10K

Crestline, California, United States

Running

5K 10K