Brooklyn Half Marathon
Race Day Weather
Cool start, mild finish
Runners will face a temperature trend from 48°F at the start to 56°F by the finish, with average humidity at 67%. Winds will be light from the E with a max of 11 mph, creating a slight headwind throughout. Given the cool temperatures, runners should maintain a steady pace and stay hydrated without concern for rain.
Pace Calculator
Get forecast alerts for Brooklyn Half Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
Over 20,000 runners will complete a remarkable running journey at the NYCRUNS Brooklyn Half Marathon, one of the nation's biggest, and Brooklyn's best, half marathon!
The iconic route starts in hip North Brooklyn and winds around the waterfront taking you under the historic Williamsburg, Manhattan, and Brooklyn Bridges while delivering eye popping views of Manhattan.
From there, the route heads up the historic concourses of Fulton Street & Flatbush Avenue before passing through Grand Army Plaza and into fabled brownstone Brooklyn before finishing in Prospect Park. Source
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 | 50°/58° | - | 32° | ||
2024 | 52°/69° | - | 49° | ||
2023 | 56°/66° | Light | 53° | ||
2022 | 54°/62° | - | 36° |