NSRF NYC Ugly Sweater 5K & HM
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Event overview
The Never Stop Running Foundation NYC Ugly Sweater 5K & Half Marathon is set for December 14, 2025 in Prospect Park, Brooklyn. The event benefits the Never Stop Running Foundation, a 501(c)(3) nonprofit that supports youth, special needs running events and athlete development. Both in-person and virtual participation options are offered. Participants receive an ugly sweater medal and a long-sleeve tee; virtual entrants may receive mailed race items.
Distances
- 5K - 1 loop on a certified Prospect Park circuit
- Half Marathon (13.1 miles) - 4 loops on the same certified circuit
Course and logistics
Both routes use a USATF-certified circuit in Prospect Park. The start is located south of Duck Island near St. Paul’s Place; the finish is at the Grecian Shelter, the Peristyle. The half marathon uses the same start and finish and requires runners to pass the finish line each loop for accurate splits and photos. Course support, live time tracking and split photos are provided for the half marathon. Amenities include informal bag check, bathrooms within a short walk of start and finish, portable toilets near the finish, hydration at the finish, and refreshments supplied by All Round Foods and Waterloo Sparkling Water. Bibs can be mailed for an additional fee if requested; street parking is available on Parkside Ave and public transportation serves Prospect Park. Age-group standings are posted online; there are no on-site awards. Visit the organization's website for the most recent information.