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

Mar

07

She Runs Long Beach - National Women's Day Run 5K • 10K • Half Marathon

Long Beach, California, United States

$40.00 - $60.00

Running

5K 10K Half-Marathon

Mar

07

Run Through Redlands

Redlands, California, United States

$35.00 - $70.00

Running

Half-Marathon 10K 5K

Mar

07

Tesoro Viejo Spring Classic Half Marathon

Madera, California, United States

$40.00 - $85.00

Running

Half-Marathon 10K 5K Virtual Run

Mar

12

The Rattlesnake Ramble 5K/10K/Half Marathon (live or virtual)

Santa Venetia, California, United States

Running

5K 10K Half-Marathon +2

Mar

13

Beer City Half™ San Diego

San Diego, California, United States

$32.50 - $100.00

Running

Half-Marathon 10K 5K 1.6K +1

Mar

13

The Terminator 2 Trot: 5K, 10K & Half Marathon

Canoga Park, California, United States

$34.99

Running

5K 10K Half-Marathon The Multiverse Judgment Dash (Virtual)

Mar

13

Zoom San Francisco

San Francisco, California, United States

Free - $70.00

Trail running Running

5K 10K Half-Marathon 3.2K +4

Mar

13

Catalina Island Marathon, 10K, 5K

Avalon, California, United States

$25.00 - $396.00

Trail running Running

Marathon 10K 5K 1K +1

Mar

13

The Rocky Hill Triathlon

Exeter, California, United States

$50.00 - $55.00

Running

5K 10K

Mar

14

The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

$20.00 - $48.99

Running

1.6K 5K 10K Half-Marathon

Mar

14

Pi Day Run

Fresno, California, United States

Free - $40.00

Running

S.T.E.M. Display Booth 3.2K 5.1K 10.1K +1

Mar

20

St. Paddy's Day Lucky Run 5K/10K/13.1 Sacramento

Sacramento, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2