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

May

02

May the be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

$18.00 - $64.99

Running

5K 10K Half-Marathon 1.6K +1

May

02

Avenue of the Giants Marathon

Arcata, California, United States

$60.00 - $100.00

Running

Marathon Half-Marathon 10K

May

08

Grizzly Peak Trail Run

Berkeley, California, United States

Free - $90.00

Trail running Running

10K Half-Marathon 30K Marathon +3

May

08

Run for Chocolate 5k/10k/13.1 San Diego

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

May

08

Beer City Half™ Sacramento

Sacramento, California, United States

$25.00 - $87.50

Running

Half-Marathon 10K 5K 1.6K +2

May

08

Lynwood 5K/10K Run

Lynwood, California, United States

$10.00 - $35.00

Running

5K 10K +1

May

08

Run for Chocolate 5k/10k/13.1 San Francisco

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

May

08

Run for Chocolate 5k/10k/13.1 Sacramento

Sacramento, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

May

09

Mother's Day Run & Walk

Watsonville, California, United States

$20.00 - $30.00

Running

1K 5K 10K

May

09

Long Beach Mother's Day Bloom & Zoom 5K, 10K, Half Marathon by Califlow Runs

Long Beach, California, United States

$15.00 - $56.99

Running

5K 10K Half-Marathon 1.6K +4

May

15

Jed & Ted’s Bill & Ted’s Excellent Race 5K & 10K

Canoga Park, California, United States

$34.99

Running

5K 10K The Excellent Adventure Virtual Race

May

15

Nurses Rock Run/Walk

San Dimas, California, United States

$40.00 - $55.00

Running

5K 10K 15K +1