Race Calendar in California, United States

Stem Girls Run the World

San Francisco, California, United States

Oct 1, 2026 (Thu) – Nov 8, 2026

$35.00

Running

5K

Tehachapi Summit Challenge - Weekend on the Rocks

Tehachapi, California, United States

Oct 2, 2026 (Fri) – Oct 4, 2026

$10.00 - $140.00

Mountain biking

Vehicle Pass Camping Pass 19.3K 32.2K +16

Sgrail Marin - Triathlon & Trail Half Marathon

San Rafael, California, United States

Oct 2, 2026 (Fri) – Oct 4, 2026

Free - $265.00

Triathlon, Running, Trail running

Kids "Fun" Event Ultra Half-Marathon +1

Cypress Run

Cypress, California, United States

Oct 3, 2026 (Sat)

$15.00 - $40.00

Running

5K Community Dash

Cirque Series - Mt Baldy, CA

Mt Baldy, California, United States

Oct 3, 2026 (Sat)

$92.45

Trail running

14.6K

Glow for the Goal

Palmdale, California, United States

Oct 3, 2026 (Sat)

$25.00

Running

5K

Grizzly Gravel & Century Charity Ride

North Fork, California, United States

Oct 3, 2026 (Sat)

$115.00 - $125.00

Gravel biking

Ultra

Cabrillo Beach 5K

San Pedro, California, United States

Oct 3, 2026 (Sat)

$55.00

Running

5K 10K

Auburn Half Marathon

Auburn, California, United States

Oct 3, 2026 (Sat)

Running

21.9K 12.2K 5.5K Half-Marathon

Palm Desert Torch Relay

Palm Desert, California, United States

Oct 3, 2026 (Sat)

Free

Running

5K

Beginner Sailing October 3/4

San Diego, California, United States

Oct 3, 2026 (Sat) – Oct 4, 2026

49th Annual Manhattan Beach 10K

Manhattan Beach, California, United States

Oct 3, 2026 (Sat)

$25.00 - $35.00

Running

10K