10K races in California, United States — 2026 running calendar

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

14

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

San Diego, California, United States

Running

5K 10K

Aug

15

Race Thru the Redwoods

Felton, California, United States

$25.00 - $50.00

Running

1.6K 10K

Oct

02

Look Good Feel Good San Leandro 5K, 10, Half Marathon & Marathon

San Leandro, California, United States

$50.00 - $90.00

Running

5K 10K Half-Marathon Marathon +4

Oct

16

Zoinks! Zombie Dash 5K/10K

Fountain Valley, California, United States

$15.00 - $47.00

Running

5K 10K 1.6K

Oct

16

Monster Miles

Fountain Valley, California, United States

$35.00 - $48.00

Running

5K 10K

Nov

25

Pre-Registration 2027 Plymouth Rock n Run

Anaheim, California, United States

$10.00 - $40.00

Running

10K 5K 1K

Apr

02

Pre-Registration Bakersfield Marathon 2028

Bakersfield, California, United States

Running

Marathon Half-Marathon 10K 5K

Aug

30

Foster the Future Run

La Canada Flintridge, California, United States

Running

5K 10K

Aug

29

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

San Diego, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

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

Long Beach, California, United States

Running

5K 10K Half-Marathon 1.6K

Aug

29

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

San Francisco, California, United States

Running

5K 10K Half-Marathon 1.6K +2