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

Sep

20

Hot Pink Fun Run - Bubbles & Brews

Roseville, California, United States

$25.00 - $45.00

Running

10K 5K 1.6K +2

Sep

20

Alameda Island Running Festival

Alameda, California, United States

$25.00 - $130.00

Running

Half-Marathon 10K 5K 1.6K

Sep

20

Gateway to Yosemite 5k/10k

Merced, California, United States

Free - $36.00

Running

5K 10K 1K

Sep

20

Agbu 5K/10K

Los Angeles, California, United States

Running

5K 10K

Sep

20

Half Moon Bay Beach Safety Run

Half Moon Bay, California, United States

Free - $55.00

Running

5K 10K 0.4K

Sep

20

Lemon Run presented by the Goleta Education Foundation

Goleta, California, United States

$10.00 - $35.00

Running

10K 5K 1K

Sep

20

WalkGood-The People's Pace Walk/Run

Los Angeles, California, United States

Free - $60.00

Running

5K 10K

Sep

20

10th Annual SJVRC ONE MILE FOR ONE CHILD Charity Run 2026

San Jose, California, United States

$35.00 - $60.00

Running

1.6K 5K 10K +1

Sep

20

La Noche de las Brujas Run -SummerWeen Series 5K 10K Half by Califlow Runs

Long Beach, California, United States

$28.99 - $65.99

Running

5K 10K Half-Marathon 1.6K

Sep

20

Aloha Run Long Beach

Long Beach, California, United States

$45.00

Running

5K 10K

Sep

20

18th Annual Sevathon 2026 | 5K Walk/Run, 10K Walk/Run, Tiny Trots 1K, & Virtual Runs

Sunnyvale, California, United States

$15.00 - $55.00

Running

10K 5K 1K +1

Sep

25

Palo Alto Weekly Moonlight Run & Walk

Palo Alto, California, United States

$60.00

Walking Running

5K 10K Virtual Participant