Endurance World Records  

Christoph Vogt bounced a tennis ball using alternate sides of a tennis racquet for 39 minutes, 49.00 seconds.

Nine-year-old Jack Thompson held a basketball in each of his hands for four minutes, 0.16 seconds.

Joseph S. held a 3.2-kilogram sledgehammer at arm's length using his right arm for four minutes, 8.22 seconds.

Joseph S. held a 3.2-kilogram sledgehammer at arm's length using his right arm for one minute, 44.81 seconds.

Brian Pankey bounced a half-inch marble on a hockey puck for 7 minutes and 49.13 seconds.

Craig Morrison from The Record Collectionremained underwater for 7 minutes and 16.19 seconds using only a vuvuzela to breathe.

William Cannon performed a wall sit on his heels lasting 6.77 seconds while carrying a 500-pound weight.

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

William Cannon performed a wall sit lasting 36.62 seconds while carrying a 400-pound weight.

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 C. performed a wall sit lasting 30.30 seconds while carrying a 450-pound weight.

William C. performed a wall sit lasting six minutes, 3.49 seconds while carrying a 60-pound weight. He set the record to raise funds for The National Autistic Society in Scotland.

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.

Michael Martin completed three 35-pound curls while performing a suspended split.

Gary Rollman completes 29 air strides in 30 seconds, a new world record. He performed the feat on a Deniz Sport Salinim Aleti stride machine. Rollman set his record on March 19, 2009 at Konyaalti Beach in Antalya, Turkey. Barbara Rollman was present to document the record and count the strides.

Alicia Weber completed 133 consecutive bar dips in five minutes.