10K 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

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

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

19

Run Juneteenth Day 5K/10K/13.1 Sacramento

Sacramento, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jun

19

Huntington Lake Triathlon, 5k & 10k

Lakeshore, California, United States

$50.00 - $1,000.00

Triathlon Duathlon Aquabike Swimrun Running

22.9K 48K 27.5K 17.5K +14

Jun

19

Cal Tri Castaic Lake - 6.19.27

Castaic, California, United States

Free - $500.00

Triathlon Aquabike Swimrun Swimming Running Duathlon

Sprint Triathlon Olympic Triathlon Youth Sprint Triathlon Sprint RunBikeRun (5km run, 15km bike, 5km run) +15

Jun

19

Run Juneteenth Day 5K/10K/13.1 San Diego

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jun

19

Summer Solstice Run : 5K.10K. Half Marathon –by Califlow Runs

Long Beach, California, United States

$45.99 - $52.99

Running

5K 10K Half-Marathon

Jun

19

Run Juneteenth Day 5K/10K/13.1 San Francisco

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jun

19

Sugar Daddy Race

Santa Clarita, California, United States

$47.00 - $127.00

Running

Half-Marathon 10K 5K 0.5K