May 12 - Justin Gatlin equals the 100m world record. During a race in Doha, Qatar, Gatlin reached a time of 9.77 seconds, equalling Asafa Powell's time. Gatlin was initially given a time of 9.76, that would be a new record, but few days later the time was corrected to 9.77
*March 26: Paul Dana is killed and Ed Carpenter is injured in an accident during the final practice before the Toyota Indy 300. Dana's teammates, Buddy Rice and Danica Patrick, withdraw from the race following the crash.
May 28 - Barry Bonds hits his 715th career home run in a 6-3 home loss to the Colorado Rockies, passing Babe Ruth for second place on the career list and setting a new record for left-handed hitters.
January 22: Los Angeles Lakers star Kobe Bryant scores 81 points in a win over the Toronto Raptors, becoming only the second player in league history to score at least 80 points in one game. It was the second highest individual point total in NBA history (Second only to Wilt Chamberlain's 100 point performance).
April 8 - Floyd Mayweather Jr. defeats Zab Judah by unanimous decision to win the IBF welterweight title. A mini-riot ensued as Roger Mayweather, Floyd's uncle and trainer, runs into the ring retaliating to a low blow and rabbit punch by Judah. The fight resumed and Mayweather won by decision.
May 20 - Marco Antonio Barrera defeats Rocky Juarez by split decision. Juarez was very competitive throughout the fight breaking Barrera's nose in the early rounds. The fight was originally announced as a draw until it was later revealed that there were two scorecard tabilation errors.
6-9 April: The Masters — Phil Mickelson wins by two shots to claim his second green jacket and third major victory.
15-18 June: U.S. Open — Geoff Ogilvy wins his first major, defeating Phil Mickelson and two others by one shot after a historic collapse by Mickelson, who had led by two shots going into the final two holes.
30 March - 2 April: Kraft Nabisco Championship - Australia's Karrie Webb defeated 18, 36 and 54 hole leader Lorena Ochoa in a playoff to claim her seventh major championship. Ochoa had shot a 62 in the first round, setting a tournament record and equalling the record low score in an LPGA major.