Dumbbell World Records  

William Cannon carried two 44-pound dumbbells for three minutes, 58.25 seconds.

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

William Cannon carried an 88-pound dumbbell with his right hand for one minute, 16.43 seconds.

Pavol Durdik performed 61 uppercut punches in six seconds while holding a one-kilogram dumbbell in each hand.

William Cannon carried two 121-pound dumbbells for 18.43 seconds.

William Cannon held two 44-pound dumbbells at shoulder height for one minute, 36.64 seconds.

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

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

Pavol Durdik completed 201 direct strokes into a punching dummy in 27.37 seconds while holding one-kilogram dumbbells in both hands.

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

Pavol Durdik rotated his arms in one direction 94 times in 10 seconds while holding one-kilogram dumbbells in both hands.

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

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

John C. performed 92 alternating dumbbell curls in one minute using two 35-pound dumbbells.

William Cannon performed a wall sit for 54.10 seconds while carrying two 90-pound dumbbells.

William Cannon performed a wall sit for 15.18 seconds while carrying two 116-pound dumbbells.