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
Tennis at the 2008 Summer Olympics points determine the position of a player in the ATP (men's) and WTA (women's) rankings, which are based on players' performances in the previous 52-weeks. For the Olympics, the men's player who won received 400 ranking points—put in perspective, this was 100 more than a win at the most prestigious International Series Gold tournaments, 100 less than a Masters Series win, and 600 less than a triumph at one of the four Grand Slam tournaments. Tennis at the 2008 Summer Olympics Tennis competitions at the 2008 Summer Olympics in Beijing were held from August 10 to August 17 at the