10K races in California, United States — 2026 running calendar

May

16

Sutter Buttes Spirit Mountain Run 5K, 10K & Half Marathon

Sutter, California, United States

Running

5K 10K Half-Marathon

May

16

YOLO Run

Davis, California, United States

Running

2K 5K 10K

May

16

Rotary Club of Fillmore 5/10K Run/Walk- Fillmore, California

Fillmore, California, United States

Running

5K 10K 1K

May

16

BRAIN Foundation Spectrum Run 5K/10K

San Jose, California, United States

Running

5K 10K 2.4K

May

16

Merced Paws on Patrol Fun Run

Merced, California, United States

Running

3.2K 5K 10K 1.6K +8

May

16

Kingsburg Dala Horse Trot 10K & 2 Mile Run/Walk

Kingsburg, California, United States

Running

10K 3.2K

May

16

Night Race- The Ghostly Afterlife 5K, 10K, Half Marathon- Summerween

Long Beach, California, United States

Running

5K 10K Half-Marathon

May

16

Canyon City Classic

Azusa, California, United States

Running

5K 10K 1K +1

May

10

Run for the Rose – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

Running

5K 10K 15K Half-Marathon

May

09

Mother’s Day Weekend Autism Awareness 5k -10K Run/Walk

Van Nuys, California, United States

Running

5K 10K

May

08

The Sasquatch Scramble 5K/10K/ENIGMATIC 11 MILER (live or virtual)

San Francisco, California, United States

Running

5K 10K Half-Marathon +2

May

08

The Sasquatch Scramble 5K/10K/Enigmatic 11 Miler (LIVE or VIRTUAL)!

San Francisco, California, United States

Running

5K 10K