Group World Records  

Nine cancer survivors and eight oncology staff members participated in a 17-person silent anti-cancer message.

Alfonso Ribeiro led thousands of people in Universal CityWalk in Hollywood in performing the Carlton Dance. The flash mob included 6,601 dancers performing simultaneously in over 300 cities across the United States and Canada. They set the record to promote the Body by Vi Challenge, America's fastest growing weight loss and fitness challenge. Read more about the feat here. To see the full list of all participating cities with links to their performances on youtube click here (Excel document download).

A total of 2,180 groups, consisting of 15,180 attendees from 11 countries, performed a simultaneous group workout. The attempt was organized by ViSalus to promote health and fitness and raise awareness about their Project 10 Kids Campaign.

Student Ministry members of Christ Community Church in Daytona Beach drank a five-gallon smoothie.

Staff and students at the Collège Saint-Bernard de Drummondville in Quebec, Canada performed the You're Gonna Miss Me Cup Rhythm. In total, 1,500 people participated in the attempt.

Jacques J. and three other tattoo artists tattooed each other simultaneously in circular formation, a RecordSetter.com World Record. The tattoos are Invader Zim tattoos. It took the artists 45 to 60 minutes to finish the tattoos.

Thirty people dressed up as Pilgrims and Indians and had a pillow fight.

175 members of ACCYM Senior High joined together and created the largest thumb wrestling circle.

A total of 24 members of FCOG Youth joined together and created the largest thumb wrestling circle while each participant stood on one leg.

A total of 401 students from Chilton Saint James School in New Zealand stood in a circle and brushed each others teeth, creating the world's largest toothbrushing circle. Read more about the feat here.

27 summer campers at BGC Springville in Springville, New York had a water balloon fight.

Nathan Sukonik and 12,804 people gathered at Central Park in New York City armed with water guns and sprayed water to each other. They set the record to celebrate the start of summer season. Read more about the event here.

A total of 26,449 students participated in a writing contest in multiple languages. They set the record at ClinicPlus Gateway 2013 organized by ClinicPlus and Elite Circle at Codissia Trade Fair Complex in Tamil Nadu, India.

A total of 10,702 students participated in a writing contest in Tamil language. They set the record at ClinicPlus Gateway 2013 organized by Lifebuoy and Elite Circle at Codissia Trade Fair Complex in Tamil Nadu, India.

Captain Catasrophe and his friend held an awkward silence for 38.41 seconds.

132 Durham Scouts danced in a conga line while wearing identical shirts.