Stamina World Records  

Michael McCastle walked 13 miles in 12 hours while flipping a 250-pound tire. He set the record to raise funds and awareness for the Wounded Warrior Project. Read more about the feat here.

Peter Grigorov played 20.3 notes per second on his accordion, a new world record. He played Flight of the Bumblebee in setting the mark. The record was set on November 25, 2007 in Billerica, Massachusetts. Atanas Grigorov witnessed the performance. tag:RecordSetterBook01

Accordion Rob’s fingers came alive as he busted out a full accordion rendition of “The Devil Went Down To Georgia” in just one minute, twenty seconds. #BM2006

70-year-old Flavio Codarin competed 1000 push-ups in 26 minutes, 1.00 second.

Guillaume Bourgeois completed 100 push-ups on his fists in 30.64 seconds.

Suman S. completed 1000 bent-leg knee raises in 15 minutes, 50.00 seconds.

Jeremiah Gould completed 150 one-armed push-ups in one minute, 5.00 seconds.

Suman Singh completed 500 sit-ups in 28 minutes, 3.05 seconds.

Andre Turan completed 700 squats and 50 bucket carries in 55 minutes, 39.00 seconds.

Derrick Clark completed five punches in 1.36 seconds while holding a five-pound weight.

Alicia Weber completed a five variation 400-rep consecutive push-up challenge in 29 minutes, 38.57 seconds.

Derrick Clark performed a complete crucifix/round the world pull-up for 2.76 seconds.

Andrew M. ate three saltine crackers in 10.22 seconds. WARNING: Speed eating can be extremely dangerous. Please do not attempt this record unless you are above the age of 18 or trained as a professional speed eater. We will not accept submissions in this category from minors.

Darryl Learie used only his breath to inflate and burst a 17-inch Mega-Whoopee cushion[] in 36.10 seconds. The cushion was a gift from fellow RecordSetter Brian Pankey.

Alicia Weber completed 100 sand deep squat jumps in five minutes, 53.00 seconds while tossing a 10-pound medicine ball.

Alicia Weber completed 250 perfect pull-ups and 250 perfect Reptile Push-ups in 21 minutes, 0.17 second.