The Next Loop Endurance Series - New England

Prepare for a unique and engaging challenge at The Next Loop Endurance Series - New England, set for Saturday, April 11, 2026, in scenic Wrentham, Massachusetts. This innovative event, taking place at a central base area located at 431 South Street, offers a distinct loop-based format designed for every type of runner, from those tackling their first 5K to seasoned ultra-marathoners. Participants will navigate a clearly marked, scenic 3.1-mile (5K) trail loop, with a new loop beginning precisely every hour on the hour.

What sets The Next Loop apart is its flexible approach: after completing each 5K segment, you decide whether to embark on another loop or stop, with no penalties for finishing early and every completed loop contributing to your official score. This format allows runners to achieve traditional distances like 5K, 10K, or 15K (by completing three loops), or even push further for a Half Marathon, Marathon, or 50K, making it a true test of discipline, recovery, and strategic decision-making. The course features rolling terrain on mostly groomed trails or dirt roads.

Expect a supportive and family-friendly atmosphere at the start/finish area, where an aid station will be readily available each hour, stocked with water, basic food, and electrolytes. Runners will have precious time between loops to refuel, recover, and access their personal staged gear. Typical race day conditions in April offer comfortable highs around 58°F and lows near 36°F, with a modest 17% chance of precipitation. Whether you're aiming for a personal best or simply curious to see how many loops you can conquer, The Next Loop Endurance Series promises a rewarding experience.