The Brooklyn Half Marathon had 26,482 finishers, making it one of the largest half marathons in the U.S.
These events are popular among runners wanting to shake off the winter cobwebs.
The New Zealand ace shatters the mark that had stood since 1986.
The old event record dated back to 1988.
The New York Road Runners asks this year's fourth-place Boston finisher five questions.
A field of 15,000 finishers is expected this weekend.