Swimming at the 2008 Summer Olympics in the 100 metres butterfly, both set in Sydney, remained Olympic records. Michael Phelps of the United States also broke the record for the most gold medals ever won by an Olympian with a total of 14; 8 of which were won during the 2008 Summer Olympics - this was also a world record. <nowiki>*</nowiki> World record split from the 4 × 100 m freestyle relay Note: At the 4 × 100 m freestyle relay final, anchor Jason Lezak swam the fastest 100 m split (46.06); however, this is not considered an official FINA record, as he did not swim
Sri Lanka at the 2012 Summer Olympics by the New Zealand national rugby union team, it was later traced to a diplomatic mistake concerning the participation of long-distance runner Lucien Rosa. Entering the 2012 competition, the most athletes sent by Sri Lanka to a Summer Games was 18 at the 2000 Olympics. Two Sri Lankan athletes had previously won medals, both silver, for their country: hurdler Duncan White in 1948, and sprinter Susanthika Jayasinghe in 2000. Following the 2008 Summer Olympics where the country failed to achieve any medals, the Minister of Sports and Public Recreation Gamini Lokuge announced a four-year project involving major sporting competitions to