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

Oct

10

Reservoir Dogs

El Sobrante, California, United States

Running

37K 22.4K 10K 5K

Oct

10

Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Oct

09

Chadwick Small Schools XC Invitational

Palos Verdes Estates, California, United States

Running

3.2K 4.8K +1

Oct

04

Mammoth Run

Moorpark, California, United States

Running

5K 10K 1.6K

Oct

04

Peace Officer Memorial Run

Modesto, California, United States

Running

Half-Marathon 5K 1K +3

Oct

04

Bay Front Run

Herculs, California, United States

Running

1.6K 10K 5K

Oct

04

Running with the Angels - Pregnancy and Infant Loss Awareness

Bakersfield, California, United States

Running

5K

Oct

04

Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

San Diego, California, United States

Running

5K 10K Half-Marathon

Oct

04

Fox Fall Classic - Lake Los Carneros

Goleta, California, United States

Running

5K 3.6K

Oct

04

Palos Verdes Trails 5K

Palos Verdes Peninsula, California, United States

Running

5K

Oct

04

Run Like A Girl 5K Fun Run

Modesto, California, United States

Running

5K

Oct

04

Los Angeles Miles for Melanoma 5k

Los Angeles, California, United States

Running

5K