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

Jul

24

Sunrise Marathon Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jul

25

BOO-gie Glow Run 5K 10K Half Marathon - SummerWeen Series by Califlow Runs

Long Beach, California, United States

$25.00 - $54.99

Running

5K 10K Half-Marathon 1.6K

Jul

31

Run For the Dogs 5K - Swag Rewards Test Race

San Diego, California, United States

Free

Running

5K

Aug

01

Run LA 10 Miler

Los Angeles, California, United States

$30.00 - $59.00

Running

16.1K 10K 5K

Aug

01

Mayem - Hybrid 5K Challenge

Long Beach, California, United States

$48.99

Running

5K

Aug

05

Lanark Park Summer Night Lights 5K

Canoga Park, California, United States

$12.00

Running

5K

Aug

07

Green Valley Lake 5k/10k/& Half Marathon

Green Valley Lake, California, United States

$40.00 - $90.00

Running

5K 10K Half-Marathon

Aug

07

Run Together Against Breast Cancer 5K/10K/13.1 Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Aug

08

Tri Santa Cruz

Santa Cruz, California, United States

$75.00 - $345.00

Triathlon Aquabike Swimrun Duathlon Swimming Running

International Triathlon International Clydesdales & Athena International Relay Team International Aquabike +16

Aug

08

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

Long Beach, California, United States

$18.00 - $48.99

Running

5K 10K Half-Marathon 1K

Aug

14

Falcon 5K

Pleasant Hill, California, United States

$36.00

Running

5K

Aug

14

Pre-Sale Margaritaville Run San Diego Gaslamp 10K & 5K

San Diego, California, United States

Running

5K 10K