Bay to Breakers
San Francisco, CA, USA • May 17, 2026
Race Day Weather
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