RBC Brooklyn Half Marathon
RBC Brooklyn Half Marathon race day weather
Mild conditions, adjust pace wisely
Runners will face a gradual temperature increase from 58°F at the start to 60°F by the finish. The wind will be a light crosswind, with a tailwind in the opening mile and the final two miles. Given the high humidity at 76%, runners should consider pacing conservatively and stay hydrated, especially during the middle miles where conditions may feel more challenging.
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RBC Brooklyn Half Marathon route and elevation
The RBC Brooklyn Half Marathon course has about 136 ft (41 m) of climbing and 238 ft (73 m) of descent, a net drop of about 102 ft (31 m). It is flatter than 78% of the half marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 5, with 77 ft (23 m) of climbing and a 1.5% average grade.
Biggest climbs
- Miles 3.9 to 5.6: climbs about 100 ft (30 m).
What the hills cost
The hills change finish times by less than 0.2% here, under half a minute for a 2:00 runner.
Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.
Even-effort splits for a 1:45, 2:00 or 2:15 finish
| Mile | Climb | Descent | 1:45 | 2:00 | 2:15 |
|---|---|---|---|---|---|
| 1 | 19 ft | 1 ft | 8:08 | 9:18 | 10:28 |
| 2 | 25 ft | 30 ft | 7:59 | 9:07 | 10:16 |
| 3 | 0 ft | 54 ft | 7:48 | 8:55 | 10:01 |
| 4 | 9 ft | 7 ft | 8:01 | 9:10 | 10:18 |
| 5 | 77 ft | 0 ft | 8:39 | 9:53 | 11:08 |
| 6 | 20 ft | 13 ft | 8:03 | 9:12 | 10:21 |
| 7 | 0 ft | 95 ft | 7:39 | 8:45 | 9:50 |
| 8 | 0 ft | 16 ft | 7:56 | 9:04 | 10:12 |
| 9 | 0 ft | 8 ft | 7:58 | 9:06 | 10:15 |
| 10 | 0 ft | 3 ft | 8:00 | 9:08 | 10:16 |
| 11 | 0 ft | 8 ft | 7:58 | 9:06 | 10:15 |
| 12 | 0 ft | 9 ft | 7:57 | 9:06 | 10:14 |
| 13 | 3 ft | 5 ft | 8:00 | 9:09 | 10:17 |
| Last 0.1 | 0 ft | 0 ft | 0:54 | 1:01 | 1:09 |
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About the RBC Brooklyn Half Marathon
The RBC Brooklyn Half Marathon is organized by New York Road Runners and has run since 1981, making it one of NYRR's longest-standing events. Originally known as the Popular Brooklyn Half Marathon under a prior title sponsor, it took its current name when RBC became title sponsor in 2022. The 13.1-mile course starts near the Brooklyn Museum and Botanic Garden, loops through Prospect Park, and finishes on the Coney Island boardwalk. Since 2023 it has been the largest half marathon in the United States by finisher count, topping 30,000 for the first time in 2026.
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