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 than 2.5 million people Vancouver is the largest metropolitan area to ever host a Winter Olympic Games. Over 2,500 athletes from 82 countries participated in 86 events. The death of Georgian luger Nodar Kumaritashvili in a training run on the day of the opening ceremonies resulted in the Whistler Sliding Centre changing the track layout on safety grounds. Norwegian cross-country skier Marit Bjørgen won five medals in the six cross-country events on the women's programme. She finished the Olympics with three golds, a silver and a bronze. For the first time, Canada won a gold medal at an Olympic Games