Half-Marathon races in California, United States — 2026 running calendar
270 events found
Aug
15
Run for PB& J 5K/10K/13.1 LOS ANGELES
Los Angeles, California, United States
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+2
Aug
15
Run for PB& J 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+2
Aug
15
Redwood (Summer) Trail Run
Oakland, California, United States
Free - $90.00
Trail running
Running
8K
Half-Marathon
30K
Marathon
+2
Aug
15
Bagel Run 5K/10K/13.1 SAN FRANCISCO
San Francisco, California, United States
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+8
Aug
15
Bagel Run 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+8
Aug
15
Bagel Run 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+8
Aug
16
The Wheely Fast Hamster Run 5K, 10K, Half Marathon by Califlow Runs
Long Beach, California, United States
$46.99 - $58.99
Running
5K
10K
Half-Marathon
Aug
23
One Love Run – 5K, 10K, 10M, and Half Marathon
Long Beach, California, United States
$24.50 - $38.50
Running
5K
10K
16.1K
Half-Marathon
Aug
23
Californian Dreamin 5K, 10K, & Half Marathon by Califlow Runs
Long Beach, California, United States
$45.99 - $52.99
Running
5K
10K
Half-Marathon
Aug
29
Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs
Long Beach, California, United States
$30.00 - $58.99
Running
5K
10K
Half-Marathon
1.6K
Aug
29
SPASM Crystal Springs Trail Run
Woodside, California, United States
Free - $90.00
Trail running
Running
10K
Half-Marathon
35.4K
Marathon
+2
Aug
29
Run to Breast Cancer 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+2
Run for PB& J 5K/10K/13.1 LOS ANGELES
Los Angeles, California, United States
15 Aug, 2026 (Sat)
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+2
Run for PB& J 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
15 Aug, 2026 (Sat)
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+2
Redwood (Summer) Trail Run
Oakland, California, United States
15 Aug, 2026 (Sat)
Free - $90.00
Trail running, Running
8K
Half-Marathon
30K
Marathon
+2
Bagel Run 5K/10K/13.1 SAN FRANCISCO
San Francisco, California, United States
15 Aug, 2026 (Sat)
– 10 Oct, 2026
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+8
Bagel Run 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
15 Aug, 2026 (Sat)
– 10 Oct, 2026
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+8
Bagel Run 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
15 Aug, 2026 (Sat)
– 10 Oct, 2026
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+8
The Wheely Fast Hamster Run 5K, 10K, Half Marathon by Califlow Runs
Long Beach, California, United States
16 Aug, 2026 (Sun)
$46.99 - $58.99
Running
5K
10K
Half-Marathon
One Love Run – 5K, 10K, 10M, and Half Marathon
Long Beach, California, United States
23 Aug, 2026 (Sun)
$24.50 - $38.50
Running
5K
10K
16.1K
Half-Marathon
Californian Dreamin 5K, 10K, & Half Marathon by Califlow Runs
Long Beach, California, United States
23 Aug, 2026 (Sun)
$45.99 - $52.99
Running
5K
10K
Half-Marathon
Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs
Long Beach, California, United States
29 Aug, 2026 (Sat)
$30.00 - $58.99
Running
5K
10K
Half-Marathon
1.6K
SPASM Crystal Springs Trail Run
Woodside, California, United States
29 Aug, 2026 (Sat)
Free - $90.00
Trail running, Running
10K
Half-Marathon
35.4K
Marathon
+2
Run to Breast Cancer 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
29 Aug, 2026 (Sat)
$30.00 - $45.00
Running
5K
10K
Half-Marathon
1.6K
+2