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

Laguna Hills Memorial Day Half Marathon, 5K & 10K

Laguna Hills, California, United States

25 May, 2026 (Mon)

Running

Half-Marathon 10K 5K

Sweet Life - Pineapple Run 5K. 10K. Half Marathon by Califlow Runs

Long Beach, California, United States

24 May, 2026 (Sun)

Running

5K 10K Half-Marathon 1.6K

Run for Mental Health 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

23 May, 2026 (Sat) – 14 Nov, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +14

Run for Mental Health 5K/10K/13.1 SAN FRANCISCO

San Mateo, California, United States

23 May, 2026 (Sat) – 14 Nov, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +14

Run for Mental Health 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

23 May, 2026 (Sat) – 14 Nov, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +14

Run for Mental Health 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

23 May, 2026 (Sat) – 14 Nov, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +14

PÁLI PEAK TRAIL RUN

Bakersfield, California, United States

23 May, 2026 (Sat)

Running

5K 10K Half-Marathon +2

The Valley Race – 5k, 10k, and Half Marathon

Van Nuys, California, United States

23 May, 2026 (Sat)

Running

5K 10K Half-Marathon

Memorial Day Run 5K/10K/13.1 SAN FRANCISCO

San Mateo, California, United States

23 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Memorial Day Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

23 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Memorial Day Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

23 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Memorial Day Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

23 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2