800 metres at the Olympics 800 meters is one of four individual events documented exclusively by Olympic documentary filmmaker Bud Greenspan. The Olympic records are held by David Rudisha, who ran a world record of 1:40.91 minutes in 2012, and Nadezhda Olizarenko, who ran a former world record of 1:53.43 minutes in 1980. Olizarenko's mark is the joint longest-standing women's Olympic record (technically set three days after Ilona Slupianek's shot put record) and the joint second-longest after the men's long jump record by Bob Beamon. Her time remains the second fastest ever for the event. The 800 metres world record has been broken or tied
Hong Kong at the 2012 Summer Olympics of 2 swimmers in each event at the Olympic Qualifying Time (OQT), and potentially 1 at the Olympic Selection Time (OST)): Hong Kong has qualified four athletes for singles table tennis events. Based on their world rankings as of 16 May 2011 Tang Peng and Jiang Tianyi have qualified for the men's event; Tie Ya Na and Jiang Huajun have qualified for the women's. Hong Kong has qualified one athlete. Hong Kong at the 2012 Summer Olympics Hong Kong competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the territory's fifteenth appearance