Running Race Calendar in California, United States

Oct

18

MISSION INN RUN

Riverside, California, United States

Running Walking

5K 10K Half-Marathon 2K +4

Oct

18

Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs

Huntington Beach, California, United States

Running

5K 10K Half-Marathon

Oct

18

Vampire Run - Unite for Bleeding Disorders

Roseville, California, United States

Running Walking

5K 1.6K

Oct

18

Lake Evans Triathlon, 5k & 10k

Bakersfield, California, United States

Triathlon Aquabike Swimrun Duathlon Running

23.7K 48.4K 18.7K 5.3K +12

Oct

18

SD HipHop 5k

San Diego, California, United States

Running

4.8K

Oct

18

Beverly Hills Run of the Stars: 2026

Beverly Hills, California, United States

Running

5K 1K

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

17

San Diego Miles for Melanoma 5K

San Diego, California, United States

Running

5K 1.6K Youth Rate - Walker Youth Rate - Runner +1

Oct

17

The Ruck Challenge

Norco, California, United States

Running

5K 10K

Oct

17

Advanced Sailing October 17 US Sailing 101

San Diego, California, United States

Running

E1 - E6 E7 and Above Retirees / Veterans DoD Employees +1

Oct

17

Glenn Bass Run

Sonora, California, United States

Running

5K 1.6K

Oct

17

Combat Cancer Walk

Corona, California, United States

Running

4.8K Event Shirt Only