• The Next Loop Endurance Series

    Massachusetts

    Wrentham, Massachusetts - The New England 50 Mile Challenge is a gritty, no-nonsense test of pacing and patience on a scenic 3.1-mile (5K) loop trail. This is a continuous 50-mile […]

  • Fall Back into the Trails Series

    New York

    Lagrangeville, New York - Conquer The World / C.T.W Endurance is excited to announce thereturn to the Red Wing Recreation on October 31st-November 1st, 2026, for the 10th annual Fall […]

  • Fall Frolic: 8-Hour | 4-Miler

    Massachusetts

    Hingham, MA - Four miles. Eight hours. Probably some mud. Definitely some questionable decisions. The Fall Frolic is a laid-back trail running event with a few different ways to join. You can come run one loop, spend the day seeing how many loops you can rack up, or dip your toes into the wonderfully weird […]

  • Mount Ascutney Vertical Backyard

    Vermont

    Brownsville, Vermont - A "Last Person Standing" type of event. Each hour participants will ascend (and descend) 1209 vertical feet via one of two routes. The race ends when there […]

  • Spring Fever 8-Hour | 5-Miler | 5K

    Wompatuck State Park Hingham, MA

    Join us for one of the best times of the year in New England; Spring!  Right as the snow is melting, the flowers are blooming and you are ready to […]

  • Forgotten Forest Ultra Run

    Connecticut

    Stratford, CT - Deep in the heart of Roosevelt Forest, where the trails whisper secrets and the trees stand as silent sentinels, an endurance challenge like no other awaits. Some say the forest was forgotten—but for those who run here, it’s anything but. The Forgotten Forest 9-Hour Ultra isn’t just about logging miles—it’s about testing […]

  • Eastern States 100

    Waterville, PA Waterville, Pennsylvania, United States

    Eastern States is a 103-mile single-loop trail race (98% single/double-track) in the Wilds region of the Allegheny Plateau in north-central Pennsylvania. The race circumnavigates a portion of the stunning Pine […]