- Jan 1 England cricket underhand bowler George Simpson-Hayward takes 6-43 on debut with underarm lobs in 1st Test against South Africa in Johannesburg; SA wins by 19 runs
- Jan 7 Stanley Cup, Dey's Arena, Ottawa, ON: Ottawa Senators beat Galt (ON), 3-1 for a 2-0 sweep of challenge series
- Jan 20 Stanley Cup, Dey's Arena, Ottawa, ON: Ottawa Senators outclass Edmonton HC, 13-7 for a 2-0 sweep of challenge series
Hobbs Scores 187
Mar 11 English cricketer Jack Hobbs scores 187 vs South Africa, his 1st international test hundred only to then get out hit wicket
- Mar 12 Stanley Cup, Montreal Arena, Westmount, Quebec: Montreal Wanderers beat Berlin Dutchmen (ON), 7-3
- Mar 18 72nd Grand National: Bob Chadwick wins aboard 100/8 chance Jenkinstown; earliest Grand National to which there are moving images
- Mar 19 Australasian Championships Men's Tennis, Adelaide: Rodney Heath wins his 2nd and last Australasian title; beats fellow Australian Horace Rice 6-4, 6-3, 6-2
Taft's First Pitch
Apr 14 US President William Howard Taft begins tradition of throwing ceremonial first pitch on Opening Day of baseball season
- Apr 15 William Howard Taft is first US President to throw out the 1st ball at a baseball game
- Apr 18 14th Boston Marathon won by Canadian Fred Cameron in 2:28:52.4
- Apr 20 Cleveland Naps Addie Joss 2nd no-hitter, beats Chicago, 1-0
- Apr 21 Cleveland Naps play 1st game at League Park, lose to Detroit Tigers 5-0
- Apr 30 Cleveland Naps Addie Joss limits St.Louis Browns to 8 hits in 2-1 victory
- May 3 Intercollegiate Athletic Association of the United States is renamed the National Collegiate Athletic Association (NCAA)
- May 7 35th Preakness: R Estep aboard Layminster wins in 1:40.6
- May 10 36th Kentucky Derby: Fred Herbert aboard Donau wins in 2:06.4
- May 12 Philadelphia Athletics pitcher Charles "Chief" Bender no-hits Cleveland Naps, 4-0
- May 30 44th Belmont: James Butwell aboard Sweep wins in 2:22
- Jun 1 Sportclub Enschede soccer club forms in Enschede, Netherlands; merge with Enschedese Boys to form FC Twente in 1965
- Jun 12 Dutch soccer club PEC forms in Zwolle; renamed FC Zwolle in 1990 and back to PEC Zwolle in 2012
- Jun 20 US Open Men's Golf, Philadelphia Cricket Club: Alex Smith of Scotland wins an 18-hole playoff over younger brother Macdonald Smith and John McDermott to win his 2nd Open title
50th British Men's Open
Jun 24 50th British Open Men's Golf, St Andrews: James Braid wins Championship for a 5th time, 4 strokes ahead of fellow Scot Sandy Herd (1902 champion)
- Jun 26 US National Championship Women's Tennis, Philadelphia CC: Defending champion Hazel Hotchkiss Wightman beats Louise Hammond 6-4, 6-2
- Jun 29 Wimbledon Women's Tennis: In an all-British final, Dorothea Chambers beats Dora Boothby 6-2, 6-2 for her 4th of 7 Wimbledon singles titles
Wimbledon Men's Tennis
Jun 30 Wimbledon Men's Tennis: New Zealander Anthony Wilding beats Arthur Gore 6-4, 7-5, 4-6, 6-2 for his 1st of 4 consecutive Wimbledon singles titles
- Jul 1 Chicago's White Sox Park (later Comiskey Park) opens - St Louis Browns beat White Sox, 2-0
Boxing Title Fight
Jul 4 "Fight of the Century": Jack Johnson beats James J. Jeffries by TKO in 15 in Reno, Nevada to retain his world heavyweight boxing title
Tour de France
Jul 31 Tour de France: Octave Lapize of France wins by just 4 points from Team Alcyon teammate François Faber of Luxembourg
- Aug 13 Brooklyn Superbas and Pittsburgh Pirates play "the game of perfect symmetry" in baseball to 8-8 tie, both have 8 runs, 13 hits, 2 errors, 12 assists, 5 strikeouts, 3 walks, 1 hit baseman, and 1 passed ball
US Men's Tennis Open
Aug 25 US National Championship Men's Tennis, Newport, RI: William Larned beats Tom Bundy 6-1, 5-7, 6-0, 6-8, 6-1 for his 4th consecutive US singles title
- Aug 27 Using twenty 137,000 candlepower arc lights, 2 amateur baseball teams play a night game at White Sox Park
- Aug 30 MLB New York Highlanders Tom Hughes pitches 9-1/3 no-hit innings, but loses to Cleveland 5-0 in 11; 1991 rule change removed credit for no-hitter [1]
- Sep 13 Regina Rugby Club forms
- Sep 22 Saskatchewan Rugby Football Union forms with an initial 9 team competition
- Oct 1 Regina Rugby Club (to become CFL Saskatchewan Roughriders) plays first game, losing to Moose Jaw Tigers, 16-6
- Oct 6 Braves beat Phillies 20-7
- Oct 20 1st appearance of cork centered baseball in World Series
- Oct 20 Soccer team KFC forms in Alkmaar
- Oct 23 World Series Baseball: Philadelphia A's beat Chicago Cubs, 7-2 at West Side Park, Chicago to win their first Championship, 4-1
- Oct 29 Hamilton running back / kicker Ben Simpson lands CFL record 11 singles in Tigers 14-7 win over Montreal at Montreal AAA Grounds
- Nov 22 Arthur Knight patents steel shaft golf clubs
- Nov 26 CFL Grey Cup, AAA Grounds, Hamilton: University of Toronto Blues retain title; beat Hamilton Tigers, 16-7
Baseball Players
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Tennis Champions