Winter ultramarathons in Massachusetts, United States

Rugged technical trails with roots, rocks, steep elevation changes, and intermittent Boston skyline views in classic New England woodland

Ten 5K paved loops in Forest Park with limited traffic, possible snow, and flexible distance options on the Snowstorm Classic 5K route

Scenic 6.2-mile trail loop at Bradley Palmer State Park, repeatable up to five times, on beautiful park trails with a relaxed, non-competitive atmosphere.

Classic early-season New England trail ultra with deep regional roots and longstanding community tradition.

Three distinct five-mile color-coded loops through wooded trails with all starts and finishes at Powissett Lodge