Nassau Suffolk Trail Marathon

Farmingdale, United States • 18 May 2025

The Nassau Suffolk Trail Marathon & 15 Miler is a premier running event taking place in Farmingdale, NY, on May 18, 2025. This event features two main races: a full marathon and a 15-mile trail run, both set in the scenic Bethpage State Park. Participants will enjoy a well-marked course that includes loops on the Cross Country and Red Trails, as well as sections of the Nassau/Suffolk Greenbelt Trail. The event aims to promote trail running and support the Long Island Greenbelt Trail Conference, with a portion of proceeds benefiting trail maintenance. Unique giveaways and awards will be provided for participants. 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

Run the Never Stop Running Foundation 4 Leaf Clover 5K at Bethpage State Park on March 8 2026 for a scenic trail 5K across grassy polo fields and winding soft trails. Family friendly with a kids run, virtual race and refreshments.

Join the Bunny Trail 5K at Bethpage State Park for a family friendly run starting on a grassy polo field and winding onto scenic soft trails. In person and virtual entries plus a free kiddie run support the Never Stop Running Foundation.

Join Run for the Rescue on April 11, 2026 for a scenic 5K through Blydenburgh County Park with on site and virtual options. Tackle varied trails, enjoy post race refreshments, and support Last Chance Animal Rescue.

Tackle wooded trails at the Farm & Forest All Terrain 5K and Hog Wild Kids Fun Run in Stamford, CT on April 12, 2026. Family friendly and community focused, this race raises funds for the Stamford Museum and Nature Center.