Running Race Calendar in California, United States

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

Long Beach, California, United States

Aug 23, 2026 (Sun)

$45.99 - $52.99

Running

5K 10K Half-Marathon

Discovery Cube LA’s 5k and 1k Family Fun Run

Sylmar, California, United States

Aug 23, 2026 (Sun)

$35.00

Running

5K 1K

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

Irvine, California, United States

Aug 23, 2026 (Sun)

$40.00

Running

5K

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

Long Beach, California, United States

Aug 23, 2026 (Sun)

$24.50 - $38.50

Running

5K 10K 16.1K Half-Marathon

Grill Skills

San Diego, California, United States

Aug 23, 2026 (Sun)

$12.00

Running

Participant

Millerton Madness Triathlon

Friant, California, United States

Aug 23, 2026 (Sun)

$60.00 - $165.00

Triathlon, Running

17.4K 5K +1

Disco Ball Planter

San Diego, California, United States

Aug 26, 2026 (Wed)

$16.00

Running

Participant

Eco Glow Paddle Boat

San Diego, California, United States

Aug 27, 2026 (Thu)

$85.00

Running

4 Person Boat

Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs

Long Beach, California, United States

Aug 29, 2026 (Sat)

$30.00 - $58.99

Running

5K 10K Half-Marathon 1.6K

Santa Barbara Triathlon & Beach Festival

Santa Barbara, California, United States

Aug 29, 2026 (Sat)

$50.00

Running, Swimming

5K 1.6K Ultra

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

San Diego, California, United States

Aug 29, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

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

Los Angeles, California, United States

Aug 29, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2