Trail Running calendar near East Islip 2024-2025

We have found 65 Trailruns within 80 miles of East Islip. See below where and when you can find the races.

TPK Bad Decisions is an exciting 30-hour team race held in Andover, NJ, designed for four-person teams. This event combines elements of adventure racing and problem-solving, challenging participants with various tasks that require navigation, teamwork, and outdoor skills. Teams will face three types..

The Centurion Ultra Trail Event is an exciting ultra-running challenge set in Roosevelt Forest, Stratford, CT, featuring a 100-mile race with various buckle achievements based on completion times. Participants can earn Red, White, or Blue Buckles by finishing within 24, 30, or 33 hours, respectively..

July 2025

Pinky’s Rock n Rolla is a unique 4-mile trail race held in Forest Park, Queens, featuring actual hiking trails rather than bridle paths or gravel roads. This event is designed for both newcomers to trail racing and experienced runners looking to achieve personal records. Participants can enjoy a sce..

The Squatchy Surprise is an exciting endurance running event taking place at South Mountain Reservation in West Orange, NJ. Participants will face unique challenges as their course choices are determined by drawing colored golf balls, with the option to select their own loop if they draw a black bal..

August 2025

The Interstate 17 Trail Run in Closter, NJ, offers a challenging 17-mile course that showcases stunning views along the Hudson River. Participants navigate a rugged four-mile loop featuring steep descents, rocky scrambles, and scenic trails, with a total elevation change exceeding 5,000 feet. The ra..