Middlesex Fitness and Boot Camps - Affordable Fitness Classes The mission of Middlesex Fitness and Boot Camps is to offer challenging, professional fitness programs that promote health and fitness at a reasonable price. They welcome varying fitness levels from the beginning exerciser to the experienced athlete. www.MiddlesexFitnessAndBootCamps.com | Middlesex Fitness and Boot Camps 15 Floyd Street Held at the Marshall Middle School Billerica, MA 01821 339-234-1297 |