NYC 50k – Stair Set of Doom Ultra – Bronx, NY 2026

The 3rd Annual NYC Stair Set of Doom Ultra isn’t your average race, it’s an adventure through the heart of New York City, where every mile tells a story and every staircase is a challenge. Covering 33+ miles across city streets, parks, and dirt trails, this race gives you a raw, unfiltered experience of the city’s most iconic spots and hidden gems. From historic bridges to winding park paths, you’ll get a tour of NYC like no other. Here's what you’re up against: 3,500+ feet of elevation that will push your legs to the limit 33 miles through neighborhoods most races never touch 90 stair sets (some massive, some tiny) scattered throughout the course 16 parks where the city’s greenery meets your grit 6 bridges crossing boroughs and bringing you new challenges 4 boroughs to show you the full range of what NYC has to offer This race is as real as it gets. While we’ll have an aid stations along the way, the Stair Set of Doom is unsanctioned and largely self-supported, meaning you should rely