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
Mongolia at the Olympics Mongolia at the Olympics Mongolia first participated at the Olympic Games in 1964, and has sent athletes to compete in all but one Summer Olympic Games since then, having joined in the boycott of the 1984 Summer Olympics led by the Soviet Union. Mongolia has also participated in the Winter Olympic Games since 1964, missing only the 1976 Winter Games. Mongolian athletes have won a total of 26 medals, all in Summer Olympics competitions, in freestyle wrestling, boxing, shooting, and judo. Prior to the 2008 Summer Olympics, Mongolia had won more silver and bronze medals without winning any gold medals