5K races in California, United States — 2026 running calendar

Viansa Wine Run 5k

Sonoma, California, United States

Apr 18, 2027 (Sun)

$30.00

Running

5K

Nail the Rail Half Marathon, 10K & 5K

Shasta Lake, California, United States

Apr 24, 2027 (Sat)

$29.00 - $69.00

Running

Half-Marathon 10K 5K

Kiwanis El Segundo Pta Run for Education 5K|10K

El Segundo, California, United States

Apr 24, 2027 (Sat)

$20.00 - $45.00

Running

5K 10K 0.5K 1K

American River Parkway Half Marathon

Carmichael, California, United States

Apr 24, 2027 (Sat)

Running

Half-Marathon 5K 0.8K

Covina Fun Run XXX

Covina, California, United States

Apr 24, 2027 (Sat)

$20.00 - $25.00

Running

5K 1.6K

Running Is For The Birds - 5K, 10K, Kids Run - Earth Day Celebration

Huntington Beach, California, United States

Apr 24, 2027 (Sat)

Free - $45.00

Running

5K 10K Fuzzy Feathers Kids Run Beach Clean up only +2

Orange County Multisport Festival

Mission Viejo, California, United States

Apr 25, 2027 (Sun)

$45.00 - $250.00

Triathlon, Aquabike, Running

Ultra 5K

Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon

Long Beach, California, United States

May 1, 2027 (Sat)

$24.99 - $44.99

Running

5K 10K Half-Marathon

The Sports Spectacular 5K/10K WILL be now in May, 2027.

Huntington Beach, California, United States

May 22, 2027 (Sat)

$40.00 - $46.00

Running

5K 10K

Pre-Registration Providence Saint John's Health Center Brentwood Run

Los Angeles, California, United States

May 23, 2027 (Sun)

$10.00 - $45.00

Running

10K 5K 1K

Pre Reg 2027 Wrigley River Run & Tadpole Trot

Long Beach, California, United States

Jun 5, 2027 (Sat)

Running

16.1K Half-Marathon 10K 5K +2

Crown City Classic 12K & 5K Pre-Sale!

Coronado, California, United States

Jul 4, 2027 (Sun)

Running

11.9K 5K 0.8K