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

Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs

Long Beach, California, United States

13 Sep, 2026 (Sun)

$42.99 - $54.99

Running

5K 10K Half-Marathon

Run for Coffee 5k / 10k / 13.1 - Roseville

Rocklin, California, United States

19 Sep, 2026 (Sat)

$35.00 - $45.00

Running

5K 10K Half-Marathon

Jurassic Jaunt – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

19 Sep, 2026 (Sat)

$24.50 - $38.50

Running

5K 10K 10 Miler Half-Marathon

Bayside Saved by the Bell 5K, 10K & Half Marathon

Canoga Park, California, United States

19 Sep, 2026 (Sat)

$34.99

Running

5K 10K Half-Marathon

Alameda Island Running Festival

Alameda, California, United States

20 Sep, 2026 (Sun)

$25.00 - $120.00

Running

Half-Marathon 10K 5K 1.6K

La Noche de las Brujas Run -SummerWeen Series 5K 10K Half by Califlow Runs

Long Beach, California, United States

20 Sep, 2026 (Sun)

$28.99 - $54.99

Running

5K 10K Half-Marathon 1.6K

Oktoberfest Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

26 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oktoberfest Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

26 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oktoberfest Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

26 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oktoberfest Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

26 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Take Me to Your Pizza : Alien Dash 5K. 10K. Half Marathon Sponsored by Domino's Pizza

Long Beach, California, United States

27 Sep, 2026 (Sun)

$30.00 - $62.99

Running

5K 10K Half-Marathon 1.6K

Mean Girls 5K, 10K & Half Marathon

Canoga Park, California, United States

03 Oct, 2026 (Sat)

$34.99

Running

5K 10K Half-Marathon