Race Calendar in California, United States

Heart of Cool Trail Run

Cool, California, United States

17 Oct, 2026 (Sat)

$30.00 - $55.00

Trail running

5K 10K Half-Marathon

Fat Tire Classic Mountain Bike Race

Springville, California, United States

17 Oct, 2026 (Sat)

$55.00

Cycling

12.9K 25.7K 38.6K

Advanced Sailing October 17 US Sailing 101

San Diego, California, United States

17 Oct, 2026 (Sat)

Palm Springs Tram Road Challenge

Palm Springs, California, United States

17 Oct, 2026 (Sat)

$39.00 - $55.00

Running

6K

Springville Apple Run

Springville, California, United States

17 Oct, 2026 (Sat)

$15.00 - $40.00

Running, Walking

5K 10K 3.2K 1K

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

Canoga Park, California, United States

17 Oct, 2026 (Sat)

$34.99

Running

5K 10K Half-Marathon

SPACEROCK Trail Race

Aqua Dulce, California, United States

17 Oct, 2026 (Sat)

$80.00 - $155.00

Trail running

22.4K 14.3K 10K 5K

Lake Hodges Trail Festival

San Diego, California, United States

17 Oct, 2026 (Sat) – 18 Oct, 2026

$15.00 - $130.00

Trail running, Running, Duathlon

50K 25.1K 15K 10.3K +7

Ride Santa Barbara 100

Santa Barbara, California, United States

17 Oct, 2026 (Sat)

Free - $149.00

Cycling

Ultra +4

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

Long Beach, California, United States

17 Oct, 2026 (Sat)

$75.00

Swimming

5K

Pre Registration 2026 - Beverly Hills Run of the Stars

Beverly Hills, California, United States

18 Oct, 2026 (Sun)

Running

5K 1K

Lake Hodges Trail Duathlon

San Diego, California, United States

18 Oct, 2026 (Sun)

$100.00

Duathlon

37K