16. Largest collection of clocks
The largest collection of clocks belongs to Jack Schoff of the U.S., who has amassed 1,094 different clocks as of June 17, 2008.
17. Full body ice contact endurance
The longest time spent in direct, full-body contact with ice is 1 hour 42 minutes and 22 seconds by Wim Hof of the Netherlands on Jan. 23, 2009.
18. Largest chalk pavement art
The largest chalk pavement art measures 8,361.31 meters (90,000 feet) and was created by 5,678 children from schools in Alameda, Calif., for the Kids’ Chalk Art Project between May 27 and June 7, 2008.
19. Fastest motorcycle handlebar wheelie
The fastest speed achieved during a wheelie on the handlebars of a motorcycle is 173.81 km/h (108 mph) by Enda Wright in Elvington, York, U.K., on July 11, 2006.
20. Longest skis
The longest skis are 534 meters (1,751 feet, 11 inches) long and were worn by 1,043 skiers in an event organized by Danske Bank on Drottninggatan in Ã–orebro, Sweden, on Sept. 13, 2008.