Group World Records  

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

Led by Zappos.com 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.

To celebrate Camp Alvernia's 125th summer, 125 members walked a dog at once. They set the record as part of Project 125, a campaign to raise $125,000 for children who would not normally be able to afford to go to camp. Learn more about Camp Alvernia and Project 125 here.

Mia and her friends on Facebook counted to 2,063.

Chris R. led 53 people to say "We Love Majors Pizza" at once.

A total of 1,500 people with their puppets marched through Lincoln Park to the Capitol in Washington, D.C. on November 3, 2012. They set the record to show support for continued public funding of public media. Read more about the feat here.

JK and three of his friends whistled 99 Red Balloons as covered by Goldfinger at once.

A total of 1,600 students participated in a lunge exercise session. The event was organized by Yuriy Seretskiy, Aleksandr Garanovskiy, and The Symbol of Success LLC to help promote a healthy lifestyle.

A total of 77 middle and high school students and leaders at Harris Creek Baptist Church Youth Ministry in Waco, Texas danced The Whip while wearing glow sticks.

421 students from Indu International School made paper airplanes at once.

205 members of the Young Americans Christian School danced the Electric Slide on a football field.

Vivien and 93 people sang while sitting and standing on stepladders.

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.

Allan and 12 of his friends performed a juggling passing pattern. The pattern was described as participants juggling at once wherein one club is passed through within the pattern without having it dropped.

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

A 14-member team from the Adventure Club of Andhra Pradesh (ACAP) rappelled at the 400-foot high Katika Waterfall in Visakhapatnam, India. They set the record to promote their adventure and tourism campaign. Read more about the feat here. NOTE: This record is dangerous and should only be attempted by trained professionals.