The Next Loop Endurance Series | New England October 31, 2026 | White Barn Farm | Wrentham, Massachusetts The Next Loop Endurance Series returns to New England with two ways to challenge yourself on the same trail. The Next Loop Hourly Challenge is simple: complete approximately 5K every hour, on the hour, for up to 10 hours. Run one loop or all ten. No DNF—every completed loop counts. Want to keep moving? The Next 12 Hour Challenge is a continuous event. Run, walk, or hike for up to 12 hours and see how much distance you can cover. Whether you’re taking your first step into trail and ultra running or you’re an experienced endurance athlete looking for a new challenge, The Next Loop is built for you. Choose your challenge. Set your pace. Discover how far you can go. Your Endurance. No Limits. One More Loop.See All Event Posts