Bay to Breakers
Race Day Weather
Cool start, steady race temps
Runners will face temperatures rising from 54°F at the start to a maximum of 63°F. With light winds from the WSW at 7 mph, conditions are favorable for a smooth race. Given the humidity at 73%, pacing should remain conservative to maintain energy levels. Hydration frequency should be increased as temperatures climb.
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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
FAQ
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Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2026 | | 56°/60° | - | 47° | |
2025 | | 56°/60° | - | 49° | |
2024 | | 56°/61° | - | 47° | |
2023 |  | 56°/59° | - | 52° |