Race Calendar in California, United States

SPACEROCK Trail Race

Aqua Dulce, California, United States

17 Oct, 2026 (Sat)

$80.00 - $155.00

Trail running

22.4K 14.3K 10K 5K

Reentry Resource Center’s Rise Up and Run 5K

San Jose, California, United States

17 Oct, 2026 (Sat) – 31 Oct, 2026

Walking, Running

5K

Heart of Cool Trail Run

Cool, California, United States

17 Oct, 2026 (Sat)

$30.00 - $55.00

Trail running

5K 10K Half-Marathon

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 - $159.00

Cycling

Ultra +4

MISSION INN RUN

Riverside, California, United States

18 Oct, 2026 (Sun)

$25.00 - $85.00

Running, Walking

5K 10K Half-Marathon 2K +4

LIVE LIKE JOJO SUPERHERO EXPERIENCE 2026

San Clemente, California, United States

18 Oct, 2026 (Sun)

$35.00

Walking

5K

The Fresno Donut Run

Fresno, California, United States

18 Oct, 2026 (Sun)

$41.00

Running

5K

Pre Registration 2026 - Beverly Hills Run of the Stars

Beverly Hills, California, United States

18 Oct, 2026 (Sun)

Running

5K 1K

Fleet Feet Fall Classic - Trail October 18th, 2026

Chico, California, United States

18 Oct, 2026 (Sun)

$85.00

Trail running

Half-Marathon 6.4K

Lake Hodges Trail Duathlon

San Diego, California, United States

18 Oct, 2026 (Sun)

$100.00

Duathlon

37K

2026 Cal Tri LA - 10.18.26

Playa Del Rey, California, United States

18 Oct, 2026 (Sun)

Free - $153.86

Triathlon, Running, Swimming

Ultra 5K 1.5K 10K +1