NYC 50k - Stair Set of Doom Ultra

APR
18
2026
Brave the NYC 50k Stair Set of Doom Ultra: 33+ miles, 90 stair sets and 3,500 feet of climbing across four boroughs. Mostly self supported with aid stations and post race beer, this urban ultra rewards grit.
Sat 18 Apr 2026
33 miles

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Event overview

The NYC 50k - Stair Set of Doom Ultra is scheduled for April 18, 2026, in Bronx, NY 10471. It is the 3rd annual running of this course-based event. The route covers 33+ miles on city streets, parks and dirt trails and includes more than 3,500 feet of elevation gain. The course features 90 stair sets, passes through 16 parks, crosses 6 bridges and travels across 4 boroughs.

Race format and logistics

The event is unsanctioned and described as largely self-supported. Organizers will provide aid stations along the route, but participants are advised to plan for their own water, fuel and restroom needs; public restrooms will be marked on the route. The course map and route instructions are provided after registration. The start location is given as 413 Railroad Terrace, Riverdale Metro North Parking Lot, Bronx, NY 10471. Included items listed by the organizer are finisher T-shirts and a first place prize. There will be post-race beers at the Broadstone Bar and Kitchen. Visit the organization's website for the most recent information.