Tree House Brewing Company Half Marathon 2026

The Tree House Brewing Company Half Marathon 2026 returns to Deerfield, Massachusetts on September 13th for its fourth annual event.
Deerfield is a picturesque town in Western Massachusetts known for its historical charm and natural beauty. The race course begins at the historic Green, where runners will be greeted by the vibrant community before setting off towards Mount Sugarloaf. The route then follows the Connecticut River, offering scenic views of the surrounding forests and farmlands. Just before reaching the brewery, participants will run through a charming neighborhood with its quaint homes and friendly locals cheering them on.
This event has been a cornerstone in Deerfield's calendar since 2023, attracting both seasoned runners and newcomers alike. Over the years, it has grown to support local initiatives and build community spirit. In addition to the race itself, an unforgettable celebration awaits at Tree House Brewery post-race with music, swag, and festivities.
The course offers a challenging yet rewarding journey through diverse terrain. Runners will experience firm and slightly soft trail conditions as they ascend Mount Sugarloaf before descending back towards Deerfield’s historic Green. There are no aid stations along the route; however, participants can expect clear signage to guide them throughout their run. The weather on race day is typically mild with an average temperature of 18.1°C, though runners should prepare for a slight chance of rain and moderate UV exposure due to high humidity.