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

Sep

13

Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs

Long Beach, California, United States

$48.99 - $62.99

Running

5K 10K Half-Marathon

Sep

13

Shaver Lake Mile High Triathlon

Shaver Lake, California, United States

$55.00 - $350.00

Triathlon Aquabike Swimrun Duathlon Running

23.7K 48.4K 18.7K 5.3K +12

Sep

17

Hart Park After Work 5K and Mtb Series Race #3

Bakersfield, California, United States

$5.00 - $35.00

Mountain biking Running Duathlon Cycling

9.7K 5K 14.5K +2

Sep

19

Anime Fan and Fitness Festival

Gilroy, California, United States

$40.00 - $50.00

Running

10K 5K

Sep

19

Monrovia - Fountain to the Falls 10k Race

Monrovia, California, United States

$50.00

Running

10K

Sep

19

Run for Coffee 5k / 10k / 13.1 - Roseville

Rocklin, California, United States

$35.00 - $45.00

Running

5K 10K Half-Marathon

Sep

19

Season of the Witch 5K 10K by Califlow Runs

Long Beach, California, United States

$48.99 - $53.99

Running

5K 10K

Sep

19

Bayside Saved by the Bell 5K, 10K & Half Marathon

Canoga Park, California, United States

$34.99

Running

5K 10K Half-Marathon

Sep

19

Smokey Bear Run

Bass Lake, California, United States

$25.00 - $55.00

Running Walking

10K 3.2K 0.2K 0.4K +3

Sep

19

Kiwanis River Run

Fresno, California, United States

$35.00 - $40.00

Running

5K 10K 3.2K

Sep

19

Jurassic Jaunt – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

$24.50 - $38.50

Running

5K 10K 10 Miler Half-Marathon

Sep

19

Rocky Ridge

San Ramon, California, United States

Running

22.1K 10K 5K Half-Marathon