Race Calendar in California, United States

Oct

17

Heart of Cool Trail Run

Cool, California, United States

$49.00 - $95.00

Trail running

5K 10K Half-Marathon

Oct

17

Glenn Bass Run

Sonora, California, United States

$15.00 - $25.00

Running

5K 1.6K

Oct

17

Ride Santa Barbara 100

Santa Barbara, California, United States

$129.00 - $199.00

Cycling

Ultra +4

Oct

17

MPSF Open Water Championships - Masters/Open 5 Kilometer and 1 Kilometer Open Water Swim

Long Beach, California, United States

$100.00

Swimming

5K

Oct

17

Springville Apple Run

Springville, California, United States

$20.00 - $55.00

Running Walking

5K 10K 3.2K 1K

Oct

17

The Donut Fun Run 2026!

Alameda, California, United States

$39.00

Running

5K

Oct

17

San Diego Miles for Melanoma 5k Run

San Diego, California, United States

Running

5K

Oct

18

SD HipHop 5k

San Diego, California, United States

Free - $35.00

Running

4.8K

Oct

18

Lake Hodges Trail Duathlon

San Diego, California, United States

$125.00

Duathlon

37K

Oct

18

Playtri - Ironman California 140.6

West Sacramento, California, United States

Running

Tri Bike Rental Level 1 Tri Bike Rental Level 2 Road Bike Rental Level 3 Bike Build & Pack Package +5

Oct

18

Fleet Feet Fall Classic - Trail October 18th, 2026

Chico, California, United States

$95.00

Trail running

Half-Marathon 6.4K

Oct

18

The Fresno Donut Run

Fresno, California, United States

$47.00

Running

5K