Group World Records  

164 members of ACCYM Senior High laid down in a line.

Ralf Fambach led 428 people in dancing zumba while wearing dirndl and lederhosen.

Led by Zappos CEO Tony Hsieh, 1,577 Zappos employees and friends cut a ribbon snaking through the Zappos headquarters plaza and up to several balcony levels. The record was set during the grand opening of the Zappos Headquarters in Downtown Las Vegas. RecordSetter Founders Dan Rollman and Corey Henderson were present to adjudicate the attempt. Read more about the feat here.

Mike and his son bounced a balloon back and forth to each other 100 times in 52.51 seconds.

Mel Sampson led 66 people in dancing at once while wearing hoodies. They set the record as part of their #TBT season finale outside 95.9 SunFM in Miramichi, New Brunswick.

Trent H. led 279 members of Heritage Park Baptist Church to simultaneously thumb wrestled.

A total of 26 students from iD Tech Camps Villanova University walked 10 steps with their shoes on the opposite feet. [#iDTech][]

Bryson Pennock, Spencer Merrifield and Bryan Hoffman said “butter” 74 times in sequential order in 20 seconds.

A total of 250 startup entrepreneurs connected to PushStart joined together for a group hug.

Stephanie Martoccio led 16 people in popping water bottle lids. They set the record as part of the College of Lake County Social Action Club's World Record Day fundraiser for the Zacharias Sexual Abuse Center in Gurnee, Illinois. #WorldRecordDay2012

A total of 10 pairs from FCOG youth group performed back-to-back stand-ups.

Justin Epps and 94 others simultaneously performed a Tim Tebow impression.

Isaiah and 18 of his friends simultaneously jumped into a swimming pool while wearing their usual clothes.

A total of 37 attendees of iD Tech Camp - Carnegie Mellon University sang "Row, Row, Row Your Boat" in rounds.