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

Tiki Time Run: Paradise Run 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

Aug 1, 2026 (Sat)

$45.99 - $52.99

Running

5K 10K Half-Marathon

Pride of the Valley 5K & 10K

Baldwin Park, California, United States

Aug 1, 2026 (Sat)

$30.00 - $37.00

Running

5K 10K

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

Green Valley Lake, California, United States

Aug 1, 2026 (Sat)

$41.00 - $90.00

Running

5K 10K Half-Marathon

Summer Breeze

San Leandro, California, United States

Aug 1, 2026 (Sat)

$50.00 - $100.00

Running

5K 10K Half-Marathon

Dog Days of Summer – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

Aug 1, 2026 (Sat)

$10.00 - $38.99

Running

5K 10K 16.1K Half-Marathon +1

Laksa Marathon

Los Angeles, California, United States

Aug 1, 2026 (Sat)

Running

Half-Marathon 10K

Run LA 10 Miler

Los Angeles, California, United States

Aug 2, 2026 (Sun)

$50.00 - $89.00

Running

16.1K 10K 5K

Coveathlon #4

Newport Beach, California, United States

Aug 6, 2026 (Thu)

$45.00 - $100.00

Swimrun, Swimming, Running

6K 1K 5K 10K +1

Run Through the Pines | 5K and 10K

Crestline, California, United States

Aug 8, 2026 (Sat)

$50.00

Running

5K 10K

Bear Creek

Orinda, California, United States

Aug 8, 2026 (Sat)

Running

Half-Marathon 10.1K 5K

Margaritaville Run San Diego Gaslamp 10K & 5K

San Diego, California, United States

Aug 8, 2026 (Sat)

$64.00 - $79.00

Running

5K 10K

Noyo Headlands Race

Fort Bragg, California, United States

Aug 8, 2026 (Sat)

$10.00 - $70.00

Running, Walking

Half-Marathon 10K 5K 0.8K +1