← All races
Trail

Nassau Suffolk Trail Marathon & 15 Miler

📅 May 16, 2027 (estimated date)📍 Farmingdale · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (May 17, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

15 mi26.2 mi

About

The Nassau Suffolk Trail Marathon & 15 Miler takes place in Farmingdale, in Nassau County, New York, in mid-May. It is a distinctive trail running experience in the natural areas of Long Island. The trail marathon (26.2 miles) starts at 7:30 a.m., and the 15 Miler follows at 8:15.

The event attracts trail running enthusiasts and helps build a lively outdoor community. Participants support the Long Island Greenbelt Trail Conference, which maintains and preserves local trails. Long Island's trails often combine sandy soil, roots and short rolling hills, so expect slower times than on the road and pack fluids and fuel for the longer course.

D-210

Prepare for Nassau Suffolk Trail Marathon & 15 Miler with RunRun

An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.

  • Personalized plan based on your VO2max, history and weekly availability
  • Strava and Garmin sync: your sessions are analyzed and the plan adapts
  • Target paces, long runs, key sessions: everything is calculated for race day
Create my free plan No credit card. Sign up in 30 seconds.

Races nearby

Other upcoming races around Farmingdale.