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

Oct

10

Apple Dash 5K

Tehachapi, California, United States

$40.00

Running

5K

Oct

10

Reggie's Run

Boron, California, United States

$25.00

Running

5K

Oct

10

San Diego - HFTC 5k

San Diego, California, United States

Running

5K

Oct

10

lululemon Dho 5k

Cabazon, California, United States

$45.00

Running

5K

Oct

11

2026 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K

San Diego, California, United States

$43.00 - $183.00

Duathlon Running

19K 5K

Oct

11

Witch Way to the Polls

Los Angeles, California, United States

$35.00

Running

5K

Oct

11

Rock & Run

Aromas, California, United States

$25.00

Running

5K

Oct

11

Fredrick Michael Gibson 5K/10K & Half Marathon Walk/Run for Depression Awareness

Simi Valley, California, United States

Running

Half-Marathon 10K 5K 1K +2

Oct

11

2026 Humboldt Redwoods Marathon, Half Marathon, 5K

Weott, California, United States

$60.00 - $145.00

Running

Half-Marathon 5K Marathon

Oct

11

Champion Mine Trail Race

Nevada City, California, United States

$35.00 - $65.00

Running

Half-Marathon 10K 5K

Oct

11

Montebello Heritage 5K/10K

Montebello, California, United States

$30.00

Running

10K 5K

Oct

11

OktoberFest Pumpkin Run

Fresno, California, United States

$45.00 - $55.00

Running

5K