Ironhike Endurance Series - Spring

The Spring on the Trails Endurance Runs is an exciting annual event held in Lagrangeville, NY, featuring timed races of 3, 6, and 12 hours on a scenic 5k trail loop with approximately 250 feet of elevation gain per lap. Participants aim to complete as many loops as possible within their chosen time ..

The Traprock 50 is a challenging trail running event held at Penwood State Park in Bloomfield, CT, featuring two race distances: a 50K and a 17K. The course consists of approximately 10.5-11 miles per loop, with the 50K requiring three loops and the 17K one loop. Runners will navigate a mix of techn..

The Jack Bristol Lake Waramaug Ultra Races, taking place on April 27, 2025, marks the 51st anniversary of this historic event, known as the oldest ultra race in Connecticut and the first 100K in the United States. Participants can choose from three distances: 100K, 50 miles, and 50K, all set on scen..

The Jug End Loop Ultra is an exciting running event scheduled for August 23, 2025, at Jug End State Reservation in Egremont, MA. Participants can engage in a 6-hour ultra event, completing as many laps as possible on a scenic 4.2-mile course that features a mix of woods, fields, and an apple orchard..

The Pawling 24 Hour Trail Running Festival is an exciting endurance event taking place in Pawling, NY, featuring a variety of race options including 24-hour, 12-hour, 6-hour, and 3-hour challenges. Participants will run on a scenic loop course that combines pavement, grass, and single-track trails, ..

The IronHike Endurance Series, taking place at Mohawk Mountain in Cornwall, CT, is a unique multi-day event designed for hiking and trail running enthusiasts. Scheduled for October 2-5, 2025, participants can choose from various challenges, including individual and team formats, with distances rangi..