5K races in California, United States — 2026 running calendar

Sep

12

2026 San Diego Tri Classic & San Diego 5K

San Diego, California, United States

Running

5K

Sep

12

San Diego Neighborhood Run 5K & 10K

San Diego, California, United States

Running

10K 5K

Sep

12

Raz'N Health Fitness Festival

Atwater, California, United States

Running

5K 10K

Sep

12

Out of This World 5k Run & 2k Walk

Yucca Valley, California, United States

Running

5K 2K

Sep

12

Graniterock River Run

Hollister, California, United States

Running

5K 1.6K

Sep

12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN FRANCISCO

San Francisco, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Sep

12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Sep

12

Finish on the 50

Riverside, California, United States

Running

5K

Sep

12

Kern Cancer Run/Walk and Festival 2026

Bakersfield, California, United States

Walking Running

5K 1.6K

Sep

12

Mvrrc Shoe4Africa 5K Championship & Kids 1-mile Championship (Cash Prize)

Perris, California, United States

Running

5K

Sep

12

LA Kings 5K

Redondo Beach, California, United States

Running

5K

Sep

12

Resilience Run

Fontana, California, United States

Running

5K