Fitness World Records

William C. performed a one-armed elbow plank with his other arm behind his back for one minute, 9.11 seconds while carrying a 100-pound rucksack.

Alicia Weber performed 410 sprinter sit-ups.

William C. performed a wall sit lasting three minutes, 14.85 seconds while carrying a 150-pound weight.

Alicia Weber performed a nonstop 20-foot "L" rope climb in 9.25 seconds.

William Cannon performed a one-leg wall sit for one minute, 1.41 seconds while carrying a 100-pound Z-bell.

William Cannon performed a wall sit on his heels for 27.60 seconds while carrying a 300-pound weight.

William Cannon performed a one-leg wall sit for 6.07 seconds while carrying a 305-pound weight.

William Cannon performed a wall sit on his heels for two minutes, 25.44 seconds while carrying a 100-pound Z-bell.

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

William Cannon balanced a 22.5-pound barbell on his right foot for 15 minutes, 27.15 seconds.

William Cannon balanced a 73-pound barbell on his right foot for three minutes, 50.67 seconds.

William Cannon performed a wall sit for 11.26 seconds while carrying a 540-pound weight. His body weight at the time of attempt was 194 pounds.

William Cannon performed a wall sit on his toes for two minutes, 8.01 seconds while carrying a 100-pound Z Bell.

William Cannon performed a wall sit on his toes for one minute, 11.61 seconds while carrying a 250-pound barbell.

William Cannon performed a wall sit on his toes for 12.56 seconds while carrying a 355-pound barbell.

William Cannon performed a wall sit on his toes for 7.39 seconds while carrying a 385-pound barbell.