Joggling is an unusual sport which combines running and juggling. There are events ranging from 100m up to the marathon. In this video example, Eric Walter runs the 400m while juggling 3 balls (Joggling), setting an Official Guinness World Record of 55.81 sec. As per the rules, if a ball is dropped, the athlete has to return to the place that the ball was dropped. See more about the sport of Joggling.