Bay to Breakers

San Francisco, CA, USA · May 16, 2027
partly-cloudy-day56°·63° high·Light·Dry
7
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Race Day Weather

partly-cloudy-day
56°at start
64° high
Light
Dry

Comfortable temps

Mild 56°F temps at gun time mean comfortable early miles without overheating risk. Light winds shouldn't be a major factor for pacing. Moderate humidity at 73% is worth noting for effort level, especially in later miles.

Race day forecast available in 219 days
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Race Info

Bay To Breakers!

This historic 12k fun run through the streets of San Francisco is over 100 years in the making.

It’s a race made for everyone, so dress up, bring your friends and be cheered on every step of the way by SF’s finest crowds. Pushing boundaries and breaking records since 1912 – it’s your turn to join the party.
Source

Area Map

Course Map

FAQ

When is the 2027 Bay to Breakers?

The 2027 Bay to Breakers will be held on Sunday May 16, 2027.

What is the time limit for the Bay to Breakers?

The time limit for the Bay to Breakers is 3 hours.

What will the weather be like for the 2027 Bay to Breakers?

The forecast calls for a high of 67°F and a low of 52°F with a 4% chance of rain.

Historical Weather

Based on 4 years of data
Avg Temp
60°F
L:56° H:64°
RunScore
7
Conditions
Rain Freq
0%
0 of 4 yrs
Wind7mph
Dew49°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2026
partly-cloudy-day
56°/65°-
7
2025
partly-cloudy-day
56°/65°-
7
2024
partly-cloudy-day
56°/64°-
7
2023
cloudy
56°/63°-
7