The eighth edition of Beast Coast Trail Running’s Chesterfield Gorge Ultra took place May 30-31, 2026, at the Chesterfield Gorge Reservation in West Chesterfield, Mass. Runners took on a 7.75-mile out-and-back course on jeep roads and doubletrack trail, racing for up to 30 hours for 100-mile, 100K, 50-mile, and 50K ultramarathon finishes, as well as 33K and 11K sub-ultra distances. Runners encountered rain early in the race before warmer temperatures and sunny skies arrived.