- May 9 52nd Preakness: Whitey Abel aboard Bostonian wins in 2:01.6
- May 11 England's football team beat Belgium 9-1
- May 13 VVOG soccer team forms in Harderwijk
- May 14 53rd Kentucky Derby: HOF jockey Linus McAtee aboard Whiskery defeats Osmand by a nose in the stretch in 2:06
- May 16 NY Yankee Bob Meusel steals 2nd, 3rd & home
- May 17 Chicago Cubs beat Boston Braves, 4-3, in 22 innings
- May 22 Dodgers beat Phillies, 20-4
- May 28 Hammond scores his 1,000th cricket run of the season after 22 days
- May 30 Indianapolis 500: First-time starter George Souders wins by 8 laps, largest margin since 1913; first driver to win full-500 mile race with no help from relief driver or riding mechanic
Walter Johnson's Record Shutout
May 30 Walter Johnson records 110th and final shutout of his Baseball HOF career, the most in MLB history; Washington Senators score 3-0 win over Boston Red Sox
- May 31 Tiger 1st baseman Johnny Neun makes an unassisted triple play
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions