Women's Half Marathon San Diego
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Event overview
The Women's Half Marathon San Diego is organized by Mermaid Series and takes place on March 14, 2026 in San Diego, CA. The event is based at 1740 E Mission Bay Drive and uses running paths around Mission Bay. The course is described as flat and follows paved running paths with some road sections, offering views of the Bay. Distances offered include:
- Half Marathon
- 10K
- 5K
- Virtual Run
- Mermaid Dash (ages 6-12)
Race details and policies
Registration for the in-person events includes a tech race shirt, finisher medal and necklace; participants may remove items during registration to reduce the entry fee (No Shirt: save $8, No Medal: save $3, No Necklace: save $3). Youth participants 19 and under receive a 20% discount. The Mermaid Dash is for children ages 6 to 12 and starts at Tecolote Shores North; parents may run alongside young or shy participants. Credits are available if a participant cannot attend: credits equal the entry fee minus a $10 processing fee, are nontransferable, and are valid through the following calendar year; requests must be made at least 10 days before the event. Visit the organization's website for the most recent information.