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

Jul

11

Bidi Bidi Run Run Night 5K 10K Half Marathon by Califlow Runs

Long Beach, California, United States

$42.99 - $48.99

Running

5K 10K

Jul

17

Brian Waterbury Memorial Rock to Pier Run

Morro Bay, California, United States

$55.00 - $85.00

Running

10K 9.7K Half-Marathon

Jul

17

Jolly10K

Los Gatos, California, United States

$45.00

Running

10K 5K

Jul

24

Sunrise Marathon Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jul

24

The Tron Night Run: Neon Grid 5K & 10K

Canoga Park, California, United States

$34.99

Running

5K 10K

Jul

24

Lbc - Good Vibes Run 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

$45.99 - $52.99

Running

5K 10K Half-Marathon

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

Aug

01

Run LA 10 Miler

Los Angeles, California, United States

$30.00 - $59.00

Running

16.1K 10K 5K

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

07

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

Green Valley Lake, California, United States

$40.00 - $90.00

Running

5K 10K Half-Marathon

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