Most World Records

Pavol Durdik performed 106 uppercut punches in 10 seconds while holding one-kilogram dumbbell in each hand.

Pavol Durdik performed 139 uppercut punches in 15 seconds while holding a one-kilogram dumbbell in each hand.

Pavol Durdik performed 197 uppercut punches in 20 seconds while holding a one-kilogram dumbbell in each hand.

Pavol Durdik performed 61 uppercut punches in six seconds while holding a one-kilogram dumbbell in each hand.

Caleb Stultz blew over 66 upright Bic pens with a single breath.

Eric K. performed 27 upside down alternating head kicks in 30 seconds.

Emily C. caught a Frisbee upside down with one hand 50 times in 30 seconds.

Chris performed 14 upside down sit-ups on a pull-up bar in 30 seconds.

Chris performed 14 upside down sit-ups on a pull-up bar in 30 seconds.

William C. completed seven upward-downward strikes in one minute using a wooden martial arts knife.

Ian Kalman has two URDB patches on his shirt, a new world record. He’s maintained he’ll spend the rest of his life earning patches by setting more world records. The shirt was documented on June 17, 2009 at Kalman’s home in San Francisco, California.

Mick Cullen, Autumn Rizzio, Carl Cutler, Carolyn Howard, and Chris Carmody combined to break 16 different standing URDB records during the course of their Subterranean radio show on WRLR 98.3 FM. List of broken records: Most Text Messages Sent in One Minute (Mick) Most Trivial Pursuit Questions Answered Incorrectly in One Minute (Mick) Fastest Time to Place 19 CDs Back in Their Cases (Mick) Most Times Asking "Where Are My Glasses?" to Someone Tuning a Guitar in 30 Seconds (Mick & Carl) Largest Group Eskimo Kiss (all five people) Shortest Staring Contest (Mick & Autumn) Longest Nonstop Pronunciation of "JetBlue" (Mick) Longest Time Touching Nose to Door Frame (Mick) Slowest Time to Dance the Macarena (Mick) Fastest Time to Read Every Location JetBlue Flies to Nonstop from Boston (Mick) Most Consecutive Table Tennis Ball Bounces Using an Acoustic Guitar as a Paddle (Mick) Most Lies Told About Oneself in 30 Seconds (Mick) Most Candy Bars Named in 30 Seconds While Being Tickled (Autumn & Carl) Most Erasers Balanced on Head at Once (Mick) Most Pieces of Tape Taped to Face at Once (Mick) Most Baseball Bounces on a Hockey Puck (Mick)

Brian Pankey set 15 records on May 2, 2011 and 10 records on April 9, 2011 for a total of 25 RecordSetter records set while wearing a URDB T-shirt[].

Lloyd W. performed burpee exercises at six US Capitol building sites.

Alan St. Louis sang the US National Anthem, The Star-Spangled Banner, in 500 performances in one year. He set his 500th performance for the opening of the Nashua Silver Knights at Holman Stadium in Nashua, New Hampshire.

Lloyd W. performed burpee exercises at four different historical landmarks in the United States.