Most World Records  

1,215 attendees of #Imagine rally at Menlo Park made barnyard noises at once.

600 people were visible in a selfie taken by someone dressed as Santa Claus. The record was set as part of the Adventure to Santa launch at Victoria Gardens in Rancho Cucamonga, California.

Luis G. and eight of his friends stood in a shower and nose hummed the Alphabet Song.

This record was set as part of Toyota Prius Records, a two-day event streamed live on the Internet. In a 48-hour period, URDB officials adjudicated 200 Prius-related world records. This was the most records ever documented in a 48-hour window, a world record in and of itself. The event took place in Los Angeles, California on March 30th and 31st, 2011. See all the records set at the event here.

Dries and nine other people fitted themselves into a waste container at once.

A total of 15 surfers rode a wave at once. The record was set during the XSories Jalenboo Surf and Skate Contest in Hainan, China. Read more about it here.

At a PromaxBDA Emerging Media Workshop in New York City, 40 people in one room tweeted Justin Bieber at the same time. The record was led by RecordSetter CEO Dan Rollman, who spoke at the event.

Members of Barrelrollman Organization and 724 guests simultaneously performed somersaults at Forest Park in St. Louis, Missouri. The Barrelrollman Organization was formed to raise funds for the Nurses For Newborns Foundation.

1,006 students from SPK Schools in Namakkal, India inflated and popped balloons at once. The record was organized by Dr. S. Prabu Kumar, chairman of the school institution.

James Eustace and 17 students from Connect Student Ministries climbed inside a 1992 Ford Bronco at once. WARNING: This record can be dangerous. Please use caution if attempting to beat it.

Ian Kalman displayed contempt for his fellow man when he insulted 15 people in one minute, a new world record. He fired insults at a line of volunteers, choosing to pass on only one. Kalman set the record on February 17, 2009 at a World Record Appreciation Society[] event at the Hemlock Tavern in San Francisco, California. Dan Rollman and Debbie Hampton were present as witnesses. #WRAS04

At Sam Harrison's "Slay Your Zombies, Slash Your Zigzags, Show Your Zing" session during 2017 HOWLive Design Conference, 800 people invisible hula hooped at once.

Corey Henderson said goodbye to his beard in style by letting a world record 23 people contribute to shaving it off his face. Henderson used a Wahl electric razor, and held up a generic plastic bucket to catch the trimmings. The participants ranged from his wife Emily to several complete strangers found on the street. [][][#WRAS01][] []: http://recordsetter.com/search/WRAS01

Pete Moyer, Spencer Renfro and Jillian Roach juggled while lying down.

Pete Moyer, Spencer Renfro and Jillian Roach juggled while sitting Indian style.

Jeremy "Streak" Strecker, the #1 men's roller derby player in the world, jumped over 11 people while wearing roller skates. Join evian on April 7th at Collins Park in Miami Beach, Florida and help attempt to set a new world record for the longest roller skating conga line. This record is dangerous and should only be attempted by trained professionals with paramedics nearby. #evianwater