- May 5 60th Kentucky Derby: Mack Garner aboard Cavalcade wins in 2:04
Red Sox's Record Inning
May 6 Red Sox score 12 runs in 4th inning including record 4 consecutive triples hit by Carl Reynolds, Moose Solters, Rick Ferrell, & B Walters
- May 12 59th Preakness: Robert Jones aboard High Quest wins in 1:58.2
Hobbs Last 1st Class Century
May 28 Jack Hobbs scores his 197th (or 199th) and last 1st class cricket century at 51 years and 163 days of age [1]
- May 30 Indianapolis 500: Indianapolis native Bill Cummings accompanied by riding mechanic Earl Unversaw wins race where only 12 of 33 entrants finish
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