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Featured
Epic two-day race weekend!
Date: Oct 3-4, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: San Diego, California

Featured
Get 18% Off - Use Code RGFE18
Date: May 16, 2026 - Saturday
Size: 5,000 - 10,000 participants
Location: Del Mar, California

Date: Apr 10-11, 2026 - Friday to Saturday
Size: 1,000 - 5,000 participants
Location: Coronado, California

Date: May 10, 2026 - Sunday
Size: 500 - 1,000 participants
Location: San Diego, California

Date: Oct 17-18, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Lakeside, California
Find runs and races near you with our San Diego running calendar. 5k, 10k, half marathons, marathons, ultras, road and trail. We update this list of runs weekly (sometimes even more frequently). 🏃 When do most runs happen in San Diego? running season is pretty much year round thanks to the climate, however, most San Diego runs tend to happen March through May, then again September through November.

Are you organizing a running event?

Date: Oct 17-18, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: San Diego, California

Date: Oct 23-24, 2026 - Friday to Saturday
Size: 1,000 - 5,000 participants
Location: Ranchita, California

Date: Oct 25, 2026 - Sunday
Size: 500 - 1,000 participants
Location: San Diego, California

Get 10% Off - Use Code RUNGUIDES10
Date: Nov 14, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: San Diego, California

Date: Nov, 2026 (TBD)
Size: 100 - 500 participants
Location: Hemet, California

Date: Jan 9, 2027 - Saturday
Size: 500 - 1,000 participants
Location: Escondido, California

Date: Feb, 2027 (TBD)
Size: 100 - 500 participants
Location: San Diego, California