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

PB&J Fuel Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

PB&J Fuel Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

PB&J Fuel Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Halloween Trick or Trot Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Halloween Trick or Trot Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Halloween Trick or Trot Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Two Cities Marathon

Fresno, California, United States

01 Nov, 2026 (Sun)

$55.00 - $130.00

Running

Marathon Half-Marathon 10K 5K

Día de Muertos - Viva la Vida - 5K, 10K, and Half Marathon by Califlow Runs

Long Beach, California, United States

01 Nov, 2026 (Sun)

$25.00 - $58.99

Running

5K 10K Half-Marathon 1.6K

Lake Chabot Trail Run

Castro Valley, California, United States

07 Nov, 2026 (Sat)

Free - $90.00

Trail running, Running

7.7K Half-Marathon 30K Marathon +4

Beer City Half™ OC

Santa Ana, California, United States

07 Nov, 2026 (Sat)

$25.00 - $95.00

Running

Half-Marathon 10K 5K 1.6K +1

2026 Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San Diego

Coronado, California, United States

08 Nov, 2026 (Sun)

$46.00 - $119.00

Running

Half-Marathon 16.1K 12K 5K +6