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

Oct

17

Pistachi-GO! 5K Fun Run

Avenal, California, United States

Running

5K

Oct

17

St. Helena Harvest Festival 5K & 1Mile

St Helena, California, United States

Running

5K 1.6K

Oct

17

Reentry Resource Center’s Rise Up and Run 5K

San Jose, California, United States

Walking Running

5K

Oct

17

San Diego Miles for Melanoma 5k Run

San Diego, California, United States

Running

5K

Oct

17

Infinite Challenge Run

San Pedro, California, United States

Running

5K 10K

Oct

17

Back to the Future: 88 MPH Dash 5K, 10K & Half

Canoga Park, California, United States

Running

5K 10K Half-Marathon

Oct

17

St. Helena Hometown Harvest Festival 5K Race and 1mi Fun Run/Walk

St Helena, California, United States

Running

5K 1.6K

Oct

17

Night of the Living Runners – 5K, 10K, 10-Miler, Half Marathon

Long Beach, California, United States

Running

5K 10K 16.1K Half-Marathon

Oct

14

Camino Del Rey XC League Meet 2

La Mirada, California, United States

Running

4.8K +8

Oct

11

Omar's Dream Run

San Jose, California, United States

Running

5K 10K

Oct

11

2026 Humboldt Redwoods Marathon, Half Marathon, 5K

Weott, California, United States

Running

Half-Marathon 5K Marathon

Oct

11

The Run for Education

San Ramon, California, United States

Running

10K 5K