Brooklyn Half Marathon Nyrr 2025. On april 27th, 2025, over 25,000 runners will complete a remarkable running journey at the nycruns brooklyn half marathon, one of the nation's biggest, and brooklyn's best, half. Nyrr will convert all times to the equivalent 10k pace for comparison to determine the fastest times in each age and gender category.

Sign up now on our new fundraising platform by clicking the button above! To help you celebrate brooklyn on saturday, may 17, 2025, here are all the details about getting into and then racing this historic course.