It’s not often you see World of Warcraft mentioned in the same sentence as physical fitness — at least not in a positive sense. However, someone has managed to bring Warcraft into their fitness regimen in a positive way — since you do tend to stop noticing the passage of time during play-sessions, why not do something useful with that time? Greg lost 41 pounds in 3 months and attributes some of his success to his “warbiking” cardio routine.
Source. Thanks, Rodrigo.