Brooklyn Half Marathon
Race Day Weather
Cool start, mild finish
Runners will face a temperature rising from 43°F to 54°F, with humidity averaging 74% and a dew point at 39°F. Wind will be a light headwind throughout, peaking at 13 mph with gusts up to 21 mph. Runners should consider adjusting their pace to maintain energy in the cooler conditions.
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° |