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Half Marathons in San Diego, CA

Find running events near San Diego, California. RACE tracks 6+ events in the area with real-time registration status, pricing, and course information. Lock in your next running start line.

Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon
Running

Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

October 4, 2026
San Diego, CA
Thrive San Diego Half Marathon & 5K
Running

Thrive San Diego Half Marathon & 5K

November 14, 2026
San Diego, CA
The Syty Half Marathon
Running

The Syty Half Marathon

December 12, 2026
San Diego, CA
San Diego Holiday Half Marathon & 5K
Running

San Diego Holiday Half Marathon & 5K

December 19, 2026
San Diego, CA
San Diego Beach & Bay Half Marathon
Running

San Diego Beach & Bay Half Marathon

April 10, 2027
San Diego, CA
2026 Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San Diego
Running

2026 Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San Diego

November 8, 2026
Coronado, CA

Frequently Asked Questions

How do I find running races in San Diego?
Use RACE to browse all upcoming running events in San Diego, CA. Filter by distance (5K, 10K, half marathon, marathon) and date to find the perfect race for your schedule.
What are the most popular race distances in San Diego?
San Diego hosts races at every distance, from 1-mile fun runs to full marathons. 5K and half marathon events are the most common, followed by 10Ks and marathons.
When is the best time to race in San Diego, CA?
Race season varies by region. Check the calendar on RACE to see San Diego's busiest months — spring and fall are typically peak season for road races in California.
Are there beginner-friendly races in San Diego?
Yes. Many 5K events in San Diego welcome first-time runners with open waves, no time cutoffs, and walk-friendly policies. Start with a local 5K and build from there.