Events in Sport
- May 10 39th Kentucky Derby: Roscoe Goose aboard Donerail wins in 2:04.8
- May 10 Yanks commit 8 errors & still beat Tigers 10-9 in 10 innings
- May 12 English runner Harry Green runs world record marathon 2:38:16.2 in the Polytechnic Marathon in London, England
Baseball Record
May 14 Washington Senator Walter Johnson ends MLB record scoreless streak at 56 innings
Birthdays in Sport
- May 1 Marvin 'Bud' Ward, American golfer (1939, 1941 US Amateur), born in Elma, Washington (d. 1968)
- May 17 Hans Ruesch, Swiss racing driver (d. 2007)
- May 24 Audrey Brown, British 4 X 100m runner (Olympic silver 1936), born in Bankura, India (d. 2005)
- May 24 Willi Daume, German olympic organizer, born in Hückeswagen, Germany (d. 1996)
- May 29 Tony Zale, American boxer (World Middleweight Champion 1940-47, 48), born in Gary, Indiana (d. 1997)