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

New Year's Run 5K/10K/13.1 Sacramento

Sacramento, California, United States

26 Dec, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

26 Dec, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

A Merry Christmas Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

26 Dec, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

A Merry Christmas Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

26 Dec, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Last Dash Before Midnight 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

31 Dec, 2026 (Thu)

$38.99 - $48.99

Running

5K 10K Half-Marathon

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

Huntington Beach, California, United States

01 Jan, 2027 (Fri)

$38.00 - $70.00

Running

5K 10K Half-Marathon

Griffith Park Resolution Run

Los Angeles, California, United States

03 Jan, 2027 (Sun)

$39.00 - $110.00

Running

Half-Marathon 12K 5K 15K

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

Long Beach, California, United States

09 Jan, 2027 (Sat)

$29.99 - $34.99

Running

5K 10K Half-Marathon

Citrus Heritage Run

Riverside, California, United States

09 Jan, 2027 (Sat)

$20.00 - $70.00

Running

Half-Marathon 10K 5K 1.6K

San Diego 50 & Trail Runs

Escondido, California, United States

09 Jan, 2027 (Sat)

$15.00 - $155.00

Trail running, Running

Ultra Marathon Half-Marathon 16.1K +6

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