Lake Dennison Recreation Area includes 4000 acres of land with a clean, spacious body of water for swimming and tree lined park roads. The course includes rural and park roads with rolling terrain. This race has held prestigious designations including Northeast Regional Age Group Qualifier by USATriathlon! Some of the best age group and elite triathletes in the regional consider Mass State Tri as their "A" race each year. Come and celebrate the serenity of Lake Dennison Recreation Area in Winchendon, MA! Included in your entry is our complimentary BBQ & Beer Tent offerings!