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 selected as the host city for the 2014 Winter Olympics over Salzburg, Austria, and Pyeongchang, South Korea. This was the first time that Russia had hosted a Winter Olympics. The Games took place from 7 to 23 February 2014. A record 2,800 athletes from 88 countries competed in 98 events. The Olympic Village and Olympic Stadium were located on the Black Sea coast. All of the mountain venues were 50 kilometres (31 miles) away in the alpine region known as Krasnaya Polyana. The Games were the most expensive so far, with a cost of £30 billion (USD 51 billion). On