Bay to Breakers

San Francisco, CA, USA · May 17, 2026
clear-day55°·61° high·Light·Dry
9
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Race Day Weather

clear-day
55°at start
63° high
Breezy
Dry

Cool conditions, hydrate early

Runners will face a steady temperature rise from 54°F to 59°F during the race. With winds from the SW at 11 mph and average humidity at 78%, hydration will be crucial. It's advisable to start conservatively and monitor pace to adapt to the slight warming as the race progresses.

partly-cloudy-day9
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clear-day9
clear-day9
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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 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.

What will the weather be like for the 2026 Bay to Breakers?

The forecast calls for a high of 64°F and a low of 52°F with a 3% chance of rain.

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