Bay to Breakers

San Francisco, CA, USAMay 17, 2026
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Race Day Weather

partly-cloudy-day
55°
65° high
Windy
Dry

Cool start, steady conditions ahead

Runners will face a starting temperature of 56°F, gradually rising to 64°F. Winds from the WSW will reach up to 14 mph, with gusts up to 32 mph. With humidity at 70%, it’s advisable for runners to hydrate frequently and consider pacing conservatively as temperatures increase.

Race day forecast available in 47 days
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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 2026 Bay to Breakers?

The 2026 Bay to Breakers will be held on Sunday May 17, 2026.

What is the time limit for the Bay to Breakers?

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

Historical Weather

Based on 3 years of data
Avg Temp
62°F
L:56° H:62°
RunScore
9
Conditions
Rain Freq
0%
0 of 3 yrs
Wind4mph
Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
partly-cloudy-day
56°/63°-
9
2024
partly-cloudy-day
56°/63°-
9
2023
cloudy
56°/62°-
9