Sledgehammer World Records  

Brian Pankey stacked 32 American pennies on a 15-pound sledgehammer held in his hand.

William Cannon performed a wall sit while holding a 3.2-kilogram and a 4.5-kilogram sledgehammer at arm's length in each hand for one minute, 16.46 seconds.

William Cannon performed a wall sit for three minutes, 45.34 seconds while holding a 3.2-kilogram sledgehammer at shoulder height.

William Cannon performed a bridge pose for 22.46 seconds while holding 10-pound and seven-pound sledgehammers.