Dumbbell World Records  

William Cannon stepped on a five-inch high stepper one time while holding two 132.5-pound dumbbells.

William Cannon stepped on a six-inch high stepper three times while holding two 110-pound dumbbells.

William Cannon stepped on a six-inch high stepper one time while holding two 116-pound dumbbells.

William Cannon took 12 steps on a stepper machine while carrying a 100-pound dumbbell in his left hand.

William Cannon took 12 steps on a stepper machine while carrying a 100-pound dumbbell in his right hand.

William Cannon took 10 steps on a stepper machine while carrying a 110-pound dumbbell in his left hand.

William Cannon took 10 steps on a stepper machine while carrying a 110-pound dumbbell in his right hand.

William Cannon took eight steps on a stepping machine while carrying a 116-pound dumbbell with his right hand.

William Cannon took 50 steps on a stepping machine while carrying an 88-pound dumbbell with his right hand.

William Cannon took six steps on a stepping machine while carrying two 110-pound dumbbells.

Thommy Ohlund curled a 25-kilogram dumbbell 20 times while balancing a 7-kilogram barbell on his index finger.

Suman Singh lifted two 19-kilogram (41.88 pounds) dumbbells 47 times in one minute.

Manuel H. performed ten dumbbell hammer curls with both of his hands. Each dumbbell weighs 110 pounds.

Pavol Durdik performed 106 uppercut punches in 10 seconds while holding one-kilogram dumbbell in each hand.

Pavol Durdik performed 139 uppercut punches in 15 seconds while holding a one-kilogram dumbbell in each hand.

Pavol Durdik performed 197 uppercut punches in 20 seconds while holding a one-kilogram dumbbell in each hand.