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

May

30

Providence Saint John's Health Center Brentwood Run

Los Angeles, California, United States

$10.00 - $40.00

Running

10K 5K 1K

May

31

Memorial Day 5K, 10K & Kids 1 Mile Run/Walk

Hemet, California, United States

$30.00 - $50.00

Running

5K 10K 1.6K

May

31

Thummer's Memorial Day 5K

Pomona, California, United States

$20.00 - $55.00

Running

5K Spectator Pass

Jun

05

Hansen Dam Splash 'n' Dash 1K/5K

Sylmar, California, United States

$30.00

Running

5K 1K

Jun

05

Wrigley River Run & Tadpole Trot

Long Beach, California, United States

$5.00 - $80.00

Running

16.1K Half-Marathon 10K 5K +4

Jun

05

Bakersfield Hot Fudge Sundae Run

Bakersfield, California, United States

$40.00 - $55.00

Running

5K 2K Virtual Run

Jun

05

Pre Reg 2027 Wrigley River Run & Tadpole Trot

Long Beach, California, United States

Running

16.1K Half-Marathon 10K 5K +2

Jun

06

SuperHero - Runbelievable - 5K. 10K. Half Marathon by Califlow Runs

Long Beach, California, United States

$15.00 - $52.99

Running

5K 10K Half-Marathon 1.6K +1

Jun

06

Pioneer Day Fun Run

Meadow Vista, California, United States

$40.00

Running

5K

Jun

06

Lake Chabot Trail Challenge (Half Marathon & 5K)

Castro Valley, California, United States

$40.00 - $65.00

Trail running

Half-Marathon 5K

Jun

06

Norwalk 5K

Norwalk, California, United States

$16.00 - $26.00

Running

5K 1K

Jun

06

Hot Fudge Sundae Run

Fresno, California, United States

$37.50 - $55.00

Running Walking

5K 3.2K Virtual Run