Longest World Records  

William Cannon performed a wall sit for 10.61 seconds while carrying a 700-pound weight. His body weight at the time of attempt was 194 pounds.

William C. performed a wall sit lasting eight minutes, 5.12 seconds while carrying a 40-pound weight. He set the record to raise funds for The National Autistic Society in Scotland.

William Cannon performed a wall sit for seven minutes, 23.09 seconds while carrying a 75-pound weight on his back.

William Cannon performed a wall sit for 6.73 seconds while carrying an 800-pound weight. His body weight at the time of attempt was 194 pounds.

William C. performed a wall sit for three minutes, 58.77 seconds while carrying an 80-pound barbell on top of his head.

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

William C. performed a wall sit for eight minutes, 43.50 seconds while carrying two 22.5-pound dumbbells.

William Cannon performed a wall sit for eight minutes, 29.26 seconds while carrying two 7-pound dumbbells from thigh to shoulder length.

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

William Cannon performed a wall sit while clasping his hands on his chest for 15 minutes, 23.97 seconds.

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 13 minutes, 42.68 seconds while holding 4.4-kilogram and 3.2-kilogram sledgehammers on his shoulders.

William Cannon performed a wall sit for five minutes, 12.63 seconds while holding a 10-kilogram weight plate between his thighs.

William Cannon performed a wall sit for six minutes, 59.10 seconds while holding a 10-pound weight at shoulder height.

William Cannon performed a wall sit for 11 minutes, 6.39 seconds while holding a 10-pound weight plate between his thighs.

William Cannon performed a wall sit for five minutes, 6.80 seconds while holding a 2.5-kilogram weight at arm's length.