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

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

Aug

21

Idyllwild Race 5K / 10K

Idyllwild, California, United States

$5.00 - $70.00

Running Walking

5K 10K 1K 15K +2

Aug

21

Coffee Lover Run Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +14

Aug

22

Californian Dreamin 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

$45.99 - $52.99

Running

5K 10K Half-Marathon

Aug

22

Garmin Marathon Ventura

Ventura, California, United States

$40.00 - $100.00

Running

Marathon Half-Marathon 10K 5K

Aug

28

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

Long Beach, California, United States

$25.00 - $54.99

Running

5K 10K Half-Marathon 1.6K

Sep

06

Long Beach Labor Day Run - Labor of Love 5K, 10K, Kids Dash

Long Beach, California, United States

$15.00 - $40.00

Running

Kids Dash (400-yard dash) 5K 10K

Sep

11

Beer City Half™ Bishop Ranch

San Ramon, California, United States

Free - $90.00

Running

Half-Marathon 10K 5K 1.6K +4

Sep

11

Chupacabra 5K. 10K. 18 Miler & 50K

Long Beach, California, United States

$40.00 - $85.00

Running

5K 10K 29K 48.3K

Sep

12

Shaver Lake Mile High Triathlon

Shaver Lake, California, United States

$65.00 - $1,000.00

Triathlon Aquabike Swimrun Duathlon Running

23.7K 48.4K 18.7K 5.3K +17

Sep

19

Sjvrc One Mile For One Child Charity Run

San Jose, California, United States

$35.00 - $50.00

Running

1.6K 5K 10K +1