Half-Marathon races in California, United States — 2026 running calendar

Jan

01

Run In The New Year 5k/10K/Half Marathon

Huntington Beach, California, United States

$38.00 - $75.00

Running

5K 10K Half-Marathon

Jan

03

Chasing Churros 5K, 10K & Half Marathon by Califlow Runs

Long Beach, California, United States

$48.99 - $62.99

Running

5K 10K Half-Marathon

Jan

03

Griffith Park Resolution Run

Los Angeles, California, United States

$44.00 - $125.00

Running

Half-Marathon 12K 5K 15K

Jan

09

San Diego 50 & Trail Runs

Escondido, California, United States

$15.00 - $155.00

Trail running Running

Ultra Marathon Half-Marathon 16.1K +6

Jan

09

Citrus Heritage Run

Riverside, California, United States

$20.00 - $85.00

Running

Half-Marathon 10K 5K 1.6K

Jan

09

Beyond The Streets 5k, 10k & Half Marathon

Canoga Park, California, United States

Free

Running

5K 10K Half-Marathon

Jan

09

Grievances & Gratitude Run – Not a Resolution - Just a Reset 5K, 10K, and Half Marathon by Califlow Runs

Long Beach, California, United States

$29.99 - $34.99

Running

5K 10K Half-Marathon

Jan

16

Mlk Jr. Freedom Run 5K/10K/13.1 San Diego

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jan

16

Mlk Jr. Freedom Run 5K/10K/13.1 San Francisco

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jan

16

Sunrise Marathon 5K/10K/13.1 Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Jan

16

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

Long Beach, California, United States

Running

5K 10K Half-Marathon

Jan

16

Mlk Jr. Freedom Run Los Angeles

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2