road · Duathlon · Team relay duathlon
38th Annual Prospect Park Fall Duathlon
| Distances | Duathlon, Team relay duathlon |
| Surface | road |
| Field size | 92 runners |
| Founded | 1989 (37 years) · from the race's own edition count |
| USATF certified | No |
| Boston qualifier | No |
From the race's RunSignup listing, with field size from its posted results, last updated September 21, 2026.
The 2026 edition has been run. The organizer hasn't announced the next date yet. This page updates automatically when they do — the address stays the same, so a bookmark or link keeps working.
Running 38th Annual Prospect Park Fall Duathlon for a cause? Set up a free team page — rally your people, point donations straight to your charity.
Race-day weather
What the weather did on November 1 in each of the last 5 years, measured at NY City Central Park, 8.8 miles from Brooklyn.
| Year | High | Low | Rain |
|---|---|---|---|
| 2025 | 58°F | 48°F | none |
| 2024 | 79°F | 57°F | none |
| 2023 | 49°F | 39°F | 0.01 in |
| 2022 | 67°F | 59°F | 0.08 in |
| 2021 | 58°F | 50°F | none |
Daily highs and lows, not start-line temperatures: most races start in the cool of the morning, closer to the low. Source: NOAA National Centers for Environmental Information, GHCN-Daily.
Stay near Brooklyn
Hotels and rentals in and around Brooklyn, NY.
Bookings made through this map may earn BestRaces a commission. It has no effect on rankings (how ranking works).
Run this one?
Tell other runners it's worth the entry fee. One tap, no email, no account.
Votes don't affect the ranking. Here's what does →