Nassau Suffolk Trail Marathon

Farmingdale, United States • 17 May 2026

Nassau Suffolk Trail Marathon & 15 Miler

The Nassau Suffolk Trail Marathon and 15 Miler take place on May 17, 2026 at Bethpage State Park Picnic Area, 99 Quaker Meeting House Rd, Farmingdale, NY 11735. The event features trail running distances held on Long Island.

Distances

  • 26.2 Miles Nassau Suffolk Trail Marathon
  • 15 Miles Nassau Suffolk Trail 15 Miler

Registration opens February 23, 2026 and closes April 18, 2026. The listed registration fees are $85.00 for the marathon and $75.00 for the 15 miler. A portion of proceeds will benefit the Long Island Greenbelt Trail Conference, which helps maintain trails on Long Island.

Long Island has an established running culture with relatively few long distance trail events each year. This event provides an opportunity for participants who enjoy ultra or trail running to compete on local trails while contributing to trail maintenance efforts. Visit the organization's website for the most recent information.

Race information

26 mi
Nassau Suffolk Trail Marathon
15 mi
Nassau Suffolk Trail 15 Miler
Visit the organization's website for the most recent information.
Trail runs nearby

Experience the 7th Annual Bunny Trail 5K at Bethpage State Park. Run or walk through scenic soft trails and grassy polo fields with options for an in person race, a virtual challenge, and a free kids run.

Join this dog friendly 5K trail run at Blydenburgh County Park to support animal rescue. Enjoy a scenic multi surface course with refreshments and professional timing included for all participants.

Experience a unique all terrain run through Heckscher Farm and wooded trails in Stamford. Runners pass farm animals and historic landmarks on a scenic course while children enjoy a dedicated fun run and educational activities.

A point-to-point trail race on the Long Island Greenbelt Trail with 50K and 25K options, fully stocked aid stations, parking at Heckscher Park, and a two-hour trail-volunteer requirement for entrants.