5K races in California, United States — 2026 running calendar

May

22

Beachfront Run

Ventura, California, United States

$20.00 - $80.00

Running

Half-Marathon 10K 5K 1K

May

22

The Sports Spectacular 5K/10K WILL be now in May, 2027.

Huntington Beach, California, United States

$40.00 - $46.00

Running

5K 10K

May

22

SoCal's Pirate's 5k/10k Run/Walk

Long Beach, California, United States

$30.00 - $45.00

Running

5K 10K 1.6K Kids Fun Run

May

22

Big River Adventure

Mendocino, California, United States

$10.00 - $35.00

Running Walking Swimming Paddle sports

Kiddie Race 5K 10K Big River Swim +2

May

23

The Great Donut Run

Irvine, California, United States

$30.00 - $60.00

Running

1.6K 5K 6.4K Kids Donut Dash +1

May

23

Memorial 5K Run

Big Bear Lake, California, United States

$40.00

Running

5K

May

23

Pre-Registration Providence Saint John's Health Center Brentwood Run

Los Angeles, California, United States

$10.00 - $45.00

Running

10K 5K 1K

May

29

Beer City Half™ San Jose

San Jose, California, United States

$30.00 - $95.00

Running

Half-Marathon 10K 5K 1.6K +2

May

29

SuperHeroes Run Sacramento

Sacramento, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

May

29

SuperHeroes Run San Diego

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

May

29

Modesto Memorial Classic

Modesto, California, United States

$25.00 - $55.00

Running

1.6K 5K +6

May

29

SuperHeroes Run San Francisco

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8