Running Race Calendar in California, United States

Santa Cruz Track Club Cross Country Challenge

Santa Cruz, California, United States

23 Aug, 2026 (Sun)

$25.00

Running

6.7K

Splash Dash 5k (& Dry Run 5k) at Wild Rivers in Irvine

Irvine, California, United States

23 Aug, 2026 (Sun)

$40.00

Running

5K

One Love Run – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

23 Aug, 2026 (Sun)

$24.50 - $38.50

Running

5K 10K 16.1K Half-Marathon

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

Long Beach, California, United States

23 Aug, 2026 (Sun)

$45.99 - $52.99

Running

5K 10K Half-Marathon

Millerton Madness Triathlon

Friant, California, United States

23 Aug, 2026 (Sun)

$60.00 - $165.00

Triathlon, Running

17.4K 5K +1

Run to Breast Cancer 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Run to Breast Cancer 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Santa Barbara Triathlon & Beach Festival

Santa Barbara, California, United States

29 Aug, 2026 (Sat)

$50.00

Running, Swimming

5K 1.6K Ultra

Run to Breast Cancer 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Run to Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Move4Life's Half-Marathon

Sacramento, California, United States

29 Aug, 2026 (Sat)

$35.00 - $70.00

Running, Walking

Half-Marathon 10K 5K 3.2K

SPASM Crystal Springs Trail Run

Woodside, California, United States

29 Aug, 2026 (Sat)

Free - $90.00

Trail running, Running

10K Half-Marathon 35.4K Marathon +2