New England Green River Marathon

THE 2026 MARATHON IS FULL. THERE IS NO WAITLIST AND NO BIB TRANSFERS.

The New England Green River Marathon is one of the most beautiful races in New England. Starting in Marlboro, Vermont and following the course of the Green River through an 1870’s covered bridge, and ending with a finish-line celebration in the shade of maple trees at Greenfield Community College in Massachusetts. This USATF-certified (Certification MA18003JK) course has a net 1,400 foot drop over a rolling, downhill course that has seen many personal best and Boston qualifying times for well-trained runners. Choose below from either the regular entry, OR if you want to support the Connecticut River Conservancy by raising an additional $250, join the Stream Team! This funding will go directly to the CRC for their efforts to restore and advocate for clean water, healthy habitats, and resilient communities to support a diverse and thriving watershed.