Women's Half Marathon San Diego

San Diego, CA, USA · February 27, 2027·
partly-cloudy-day54°·58° high·Breezy·Dry
9
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Race Day Weather

partly-cloudy-day
54°at start
61° high
Breezy
Dry
Your goal
0:00:00

Mild temps, light wind, stay steady

Runners will face a mild temperature trend starting at 54°F and finishing at 58°F. With light winds peaking at 9 mph and humidity at 61%, conditions are generally favorable. To optimize performance, runners should maintain a steady pace throughout, as the temperature remains comfortable. Hydration will be key, especially as humidity can impact comfort levels.

Race day forecast available in 104 days
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Pace Calculator

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Race Plan

Get your personalized Women's Half Marathon San Diego race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

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Weather Splits
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T-Minus
Carb Tracker
Spectator Guide
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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.

Race weekend

Saturday, February 27
7:00 AMHalf Marathon (13.1 mi)
7:15 AM10K (6.2 mi)7:30 AM5K (3.1 mi)

FAQ

When is the 2027 Women's Half Marathon San Diego?

The 2027 Women's Half Marathon San Diego will be held on Saturday February 27, 2027.

What will the weather be like for the 2027 Women's Half Marathon San Diego?

The forecast calls for a high of 61°F and a low of 52°F with a 10% chance of rain.

Historical Weather

Based on 2 years of data
Avg Temp
57°F
L:54° H:59°
RunScore
8
Conditions
Rain Freq
0%
0 of 2 yrs
Wind4mph
Dew49°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
partly-cloudy-day
61°/64°-
6
2025
clear-day
47°/55°-
10