Winter Olympic Games records were set in speed skating largely due to the introduction of the clap skate. The 2002 Winter Olympics were held in Salt Lake City, United States, hosting 77 nations and 2,399 athletes in 78 events in 7 sports. These Games were the first to take place since the September 11 attacks of 2001, which meant a higher degree of security to avoid a terrorist attack. The opening ceremony saw signs of the aftermath of the events of that day, including the flag that flew at Ground Zero, NYPD officer Daniel Rodríguez singing "God Bless America", and honour guards of
Winter Olympic Games of Calgary hosted the first Winter Olympics to span three weekends, lasting for a total of 16 days. New events were added in ski-jumping and speed skating, while future Olympic sports curling, short track speed skating and freestyle skiing made their debut appearance as demonstration sports. The speed skating events were held indoors for the first time, on the Olympic Oval. Dutch skater Yvonne van Gennip won three gold medals and set two world records, beating skaters from the favoured East German team in every race. Her medal total was equalled by Finnish ski jumper Matti Nykänen, who won all