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

LASAA Mug Run - Altadena Forever Run

Altadena, California, United States

10 Jan, 2027 (Sun)

Free - $55.00

Running

1K 5K 10K

Define Your Glow 5K, 10K, Half Marathon by Califlow Runs

Long Beach, California, United States

16 Jan, 2027 (Sat)

$45.00 - $65.00

Running

5K 10K Half-Marathon

Polar Bear Run 5K, 10K, and Half Marathon by Califlow Runs

Long Beach, California, United States

23 Jan, 2027 (Sat)

$38.99 - $48.99

Running

5K 10K Half-Marathon

RPV's Run For Myles

Rancho Palos Verdes, California, United States

30 Jan, 2027 (Sat)

$45.00 - $50.00

Running

5K 10K

Turner's Tuff Ten

Jamestown, California, United States

06 Feb, 2027 (Sat)

$25.00 - $40.00

Running

19.3K 9.7K

Heart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow Runs

Long Beach, California, United States

06 Feb, 2027 (Sat)

$38.99 - $52.99

Running

5K 10K Half-Marathon

Besties Run 5K. 10K. Half Marathon , & Kids Dash

Long Beach, California, United States

07 Feb, 2027 (Sun)

$25.00 - $128.99

Running

5K 10K Half-Marathon Kids Half Mile Run +4

The HEART RUN Half Marathon & 5K/10K

Huntington Beach, California, United States

13 Feb, 2027 (Sat)

$28.00 - $72.00

Running

5K 10K Half-Marathon

2027 Coronado Valentine's Day 10K, 5K and 1 Mile Fun Run/Walk

Coronado, California, United States

14 Feb, 2027 (Sun)

$28.00 - $126.00

Running

10K 5K 1.6K +1

The Long Beach Sweetheart's Run - Valentine's 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

14 Feb, 2027 (Sun)

$29.99 - $38.99

Running

5K 10K Half-Marathon

Beer City Half™ Santa Rosa

Santa Rosa, California, United States

20 Feb, 2027 (Sat)

$25.00 - $97.50

Running

Half-Marathon 10K 5K 1.6K +1

Corporal Javier Bejar Memorial Run Reedley Police Department

Reedley, California, United States

20 Feb, 2027 (Sat)

$45.00 - $60.00

Running, Walking

10K 5.1K 9.7K