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

Muir Woods Mt. Challenge

Stinson Beach, California, United States

Jul 18, 2026 (Sat)

Running

29.9K Half-Marathon 10K

Brian Waterbury Memorial Rock to Pier Run

Morro Bay, California, United States

Jul 18, 2026 (Sat)

Running

10K 9.7K Half-Marathon

LBC Summer Breeze – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

Jul 12, 2026 (Sun)

Running

5K 10K 15K Half-Marathon

Strides in Recovery Community Event

Long Beach, California, United States

Jul 12, 2026 (Sun)

Running

5K 10K 16.1K Half-Marathon

Beer City Half™ Alameda

Alameda, California, United States

Jul 11, 2026 (Sat)

Running

Half-Marathon 10K 5K

San Lorenzo River Trail Run

Santa Cruz, California, United States

Jul 11, 2026 (Sat)

Trail running, Running

10.1K Half-Marathon 30K Marathon +3

Endless Summer in the LBC 5K, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

Jul 11, 2026 (Sat)

Running

5K 10K Half-Marathon

Red, White, and Run – 5K, 10K, and Half Marathon

Long Beach, California, United States

Jul 5, 2026 (Sun)

Running

5K 10K Half-Marathon

Run for Chocolate 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

Jul 4, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Run for Chocolate 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

Jul 4, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

July 4th Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California, United States

Jul 4, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

July 4th Run 5K/10K/13.1 SACRAMENTO

Sacramento, California, United States

Jul 4, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2