World Record
Jul 1 British runner Steve Ovett breaks countryman Sebastian Coe's world record for the mile in 3:48.8 in Oslo, Norway
- Jul 3 Biggest MLB crowd in 7 years, 73,096 watch Indians beat NY Yankees, 7-0 at Cleveland Stadium
Baseball Record
Jul 4 Nolan Ryan (Houston Astros) fans Reds' Cesar Geronimo to become 4th pitcher to 3,000 MLB strikeouts
Wimbledon Women's Tennis
Jul 4 Wimbledon Women's Tennis: Australian Evonne Goolagong Cawley beats Chris Evert 6-1, 7-6 for her 3rd Wimbledon singles crown
Wimbledon Men's Tennis
Jul 5 Wimbledon Men's Tennis: Björn Borg beats John McEnroe 1-6, 7-5, 6-3, 6-7, 8-6 for his 5th straight Wimbledon crown with famous 22-minute, 34-point, fourth-set tiebreak
Baseball Record
Jul 6 MLB Philadelphia Phillies starter Steve Carlton fans 7 Cardinals to reach 2,836 strikeouts, the most by a left-handed pitcher in MLB history
Boxing Title Fight
Jul 7 American boxer Larry Holmes scores a 7th round TKO of Scott LeDoux in Bloomington, Minnesota in defense of his WBC heavyweight title
- Jul 8 51st All Star Baseball Game: NL wins 4-2 at Dodger Stadium, LA
- Jul 8 All star MVP: Ken Griffey (Cincinnati Reds)
US Women's Golf Open
Jul 13 US Open Women's Golf, Richland CC: Amy Alcott scores convincing 9 stroke win over runner-up Hollis Stacy
Baseball Record
Jul 15 Johnny Bench hits his 314th HR as a catcher which breaks Yogi Berra's record
British Golf Open
Jul 20 British Open Men's Golf, Muirfield: Tom Watson wins his 3rd of 5 Open titles, by 4 strokes from fellow American Lee Trevino
- Jul 30 American swimmers Mary T Meagher (2.06.37) and Craig Beardsley (1.58.21) both set 200m butterfly world records at the US National Swimming Championships at Irvine, California
- Jul 30 Houston Astros pitcher J. R. Richard suffers a stroke and collapses while playing a game of catch before an Astros game, ending his career