Sports World Records

Clint Poore completed 18 stability ball squats in 30 seconds while holding two 100-pound dumbbells.

Clint Poore completed 29 stability ball squats in 30 seconds while holding two 50-pound dumbbells.

Colbin M. broke five stacks of boards in 12 seconds. He is seven years old.

Members of Victory Gymnastics Academy performed a total of 133 standing back flips in a roll-off in one minute. The record was set during National Gymnastics Day 2013 at Victory Gymnastics Academy in San Diego, California.

Brad L. jumped over a three-foot hurdle 14 times in 30 seconds.

William Cannon completed four strokes stationary rowing while carrying a total of 154 pounds of weight.

William Cannon completed four strokes stationary rowing while carrying a total of 203 pounds of weight.

William Cannon completed three strokes stationary rowing while carrying a total of 240 pounds of weight.

William Cannon completed four strokes stationary rowing while carrying a total of 282 pounds of weight.

William Cannon completed three strokes stationary rowing while carrying a total of 303 pounds of weight.

William Cannon completed three strokes stationary rowing while carrying a total of 330 pounds of weight.

William Cannon completed three strokes stationary rowing while carrying a total of 370 pounds of weight. His body weight during the attempt was 192 pounds.

William Cannon completed three strokes stationary rowing while carrying a total of 405 pounds of weight.

William Cannon completed three strokes stationary rowing while carrying a total of 500 pounds of weight.

William Cannon completed 16 strokes stationary rowing while carrying a total of 86 pounds of weight.

William Cannon completed 16 strokes stationary rowing while carrying a 104-pound Z-bell on his shoulders. His body weight during the attempt was 192 pounds.