- May 2 30th Kentucky Derby: Shorty Prior riding Elwood wins in 2:08.50
- May 21 Federation Internationale de Football Association (FIFA) forms in Paris
- May 25 38th Belmont: George Odom aboard Delhi wins in 2:06.6
- May 27 NY Giants first baseman Dan McGann collects MLB record 5 stolen bases in 3-1 win over the Brooklyn Superbas at the Polo Grounds in NYC; record broken in 1991 by Otis Nixon
- May 28 29th Preakness: Eugene Hildebrand aboard Bryn Mawr wins in 1:44.2