Running Race Calendar in California, United States

2026 Cal Tri Castaic Lake - 6.20.26

Castaic, California, United States

Jun 20, 2026 (Sat)

Triathlon, Running

5K 10K

Golden State Trail Run

East Garrison, California, United States

Jun 20, 2026 (Sat)

Running

49.9K 36.9K Half-Marathon 10.3K

Run for the Rancho 2026 - Rancho Las Virgenes *NEW LOCATION*

Calabasas, California, United States

Jun 18, 2026 (Thu) – Jul 2, 2026

Running

5K +4

Aerc Mileage Challenge

Auburn, California, United States

Jun 15, 2026 (Mon) – Nov 29, 2026

$40.00

Running

Ultra

Stride & Stillness | LA DC

Rancho Cucamonga, California, United States

Jun 14, 2026 (Sun)

Running

5K

Alive & Suffering Running Club's 5k Pride Run

Los Angeles, California, United States

Jun 14, 2026 (Sun)

Running

5K

Los Mugrosos 5K— La Vida Sucia Run

South El Monte, California, United States

Jun 14, 2026 (Sun)

Running

5K 0.5K

Hansen Dam Splash and Dash 1K/5K

Sylmar, California, United States

Jun 14, 2026 (Sun)

Running

5K 1K

Father's Day Run

Fresno, California, United States

Jun 14, 2026 (Sun) – Jun 21, 2026

Running, Walking

Half-Marathon 10K 5K 1K +6

Baylands Bike/run/transition 2 clinic

Sunnyvale, California, United States

Jun 14, 2026 (Sun)

Running

3.2K

Old Zoo Half Marathon

Los Angeles, California, United States

Jun 14, 2026 (Sun)

Running

Half-Marathon 12K

Good Vibes Run – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

Jun 14, 2026 (Sun)

Running

5K 10K 16.1K Half-Marathon