Gehrig's Three Home Runs
May 4 Lou Gehrig hits three consecutive HRs, Yankees 11, Tigers 9
Hubbell No-Hits Pirates
May 8 NY Giants pitcher Carl Hubbell no-hits Pittsburgh Pirates, 11-0 at the Polo Grounds, NYC
- May 10 54th Preakness: Louis Schaefer aboard Dr Freeland wins in 2:01.6
4th British Open
May 10 British Open Men's Golf, Muirfield: Walter Hagen wins 4th Open title, by 6 strokes from fellow American Johnny Farrell
- May 18 55th Kentucky Derby: Hall of Fame jockey Linus McAtee on 3-1 chance Clyde Van Dusen wins in 2:10.8 on a muddy track
- May 18 Brooklyn Robins beat Philadelphia Phillies, 20-16; lose 8-6 in game 2 at the Baker Bowl; MLB record 50 runs for a doubleheader
- May 19 Cloudburst causes stampede in Yankee Stadium, crushes 2 people to death
- May 24 Chicago WS pitcher Ted Lyons and Detroit's George Uhle go 21 innings before Tigers get a run to win, 6-5; longest game (3 hours, 31 mins) ever at Comiskey Park, Chicago
- May 30 Indianapolis 500: Ray Keech takes lead for final time on lap 158 for his first Indy 500 win; car owner Maude A. Yagle is first and only female winning owner in Indy history