Women's Half Marathon San Diego
Race Day Weather
Cool temps, moderate wind caution
Runners will face a gradual temperature increase from 53°F to 61°F during the race. A light headwind at 9 mph may provide some resistance, and humidity will be around 61%. With a 25% chance of light rain, hydration strategies should be adjusted accordingly, and pacing should be conservative early on.
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Race Info
The Women's Half Marathon San Diego is a women-focused road race held at Tecolote Shores on Mission Bay in San Diego, California. Organized by the Mermaid Series, the event pairs a half marathon with 10K, 5K, virtual, and youth Mermaid Dash options on a flat course along the bay's paved paths. Through 2025 the race was known as the Mermaid Half Marathon San Diego before being renamed for 2026.