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

Oct

03

Auburn Half Marathon

Auburn, California, United States

Running

21.9K 12.2K 5.5K Half-Marathon

Oct

03

Mean Girls 5K, 10K & Half Marathon

Canoga Park, California, United States

$34.99

Running

5K 10K Half-Marathon

Oct

04

Judgment Day Half Marathon, 10K & 5K Run/Walk

Bakersfield, California, United States

$50.00 - $80.00

Running

Half-Marathon 10K 5K

Oct

04

Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

San Diego, California, United States

$28.50 - $42.50

Running

5K 10K Half-Marathon

Oct

04

Peace Officer Memorial Run

Modesto, California, United States

Free - $120.00

Running

Half-Marathon 5K 1K +3

Oct

04

Napa Half Marathon

Napa, California, United States

Running

Half-Marathon 10.5K

Oct

04

Redding Breakfast Lions Turtle Bay Run 2026

Redding, California, United States

$30.00 - $75.00

Running

Half-Marathon 10K 3.2K

Oct

10

Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Oct

10

Coffee Lovers Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Oct

10

Coffee Lovers Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Oct

10

Coffee Lovers Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Oct

11

Bizz Johnson

Susanville, California, United States

$75.00 - $110.00

Running

Ultra Half-Marathon 10K