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

The Cobra 5Kai, 10Kai & Half Miyagithon

Canoga Park, California, United States

May 16, 2026 (Sat)

Running

5K 10K Half-Marathon

La Jolla Half Marathon & 5K

San Diego, California, United States

May 16, 2026 (Sat)

Running

Half-Marathon 10K 5K

Night Race- The Ghostly Afterlife 5K, 10K, Half Marathon- Summerween

Long Beach, California, United States

May 16, 2026 (Sat)

Running

5K 10K Half-Marathon

13th Annual Luc's Run

Tuolumne, California, United States

May 16, 2026 (Sat)

Running

10K 3.2K 1K Half-Marathon +3

Long Beach Mother's Day Bloom & Zoom 5K, 10K, Half Marathon by Califlow Runs

Long Beach, California, United States

May 10, 2026 (Sun)

Running

5K 10K Half-Marathon 1.6K +3

Run for the Rose – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

May 10, 2026 (Sun)

Running

5K 10K 15K Half-Marathon

Beer City Half™ Sacramento

Sacramento, California, United States

May 9, 2026 (Sat)

Running

Half-Marathon 10K 5K 1.6K +1

Grizzly Peak Trail Run

Berkeley, California, United States

May 9, 2026 (Sat)

Trail running, Running

10K Half-Marathon 30K Marathon +2

The Wine Half Marathon

St Helena, California, United States

May 9, 2026 (Sat)

Running

Half-Marathon

Yosemite Half Marathon

Bass Lake, California, United States

May 9, 2026 (Sat)

Running

Half-Marathon

The Sasquatch Scramble 5K/10K/ENIGMATIC 11 MILER (live or virtual)

San Francisco, California, United States

May 8, 2026 (Fri) – May 11, 2026

Running

5K 10K Half-Marathon +2

CINCO DE MILE HALF MARATHON & OLE 5 QUE - BAKERSFIELD

Bakersfield, California, United States

May 3, 2026 (Sun)

Running

5K Half-Marathon