The ballbuster is a duathlon comprising 5 laps of an 8 mile loop starting and ending on box hill in surrey. Ballbuster duathlon ballbuster duathlon. The notoriously tough event concept is now in its 28th year and remains one of the toughest endurance challenges in the uk.
Medicine Ball Buster Workout Fun Workouts At Home Workouts
Medicine Ball Buster Workout Fun Workouts At Home Workouts
