Kentucky Derby
May 4 111th Kentucky Derby: Puerto Rican jockey Ángel Cordero Jr wins aboard Spend A Buck for his third Derby triumph
- May 11 56 die and at least 265 are injured at Bradford City football ground in the worst fire in English football history
Sports History
May 16 Michael Jordan named NBA Rookie of Year
- May 16 NHL Clarence Campbell Conference Final: Edmonton Oilers beat Chicago Black Hawks, 4 games to 2
- May 16 NHL Prince of Wales Conference Final: Philadelphia Flyers beat Quebec Nordiques, 4 games to 2
Preakness Stakes
May 18 110th Preakness: Pat Day aboard Tank's Prospect wins in 1:53.4
- May 20 Indians-Brewers game at Cleveland Stadium is 1st rain-out of 1985, ends record string of 458 ML games since Opening Day without a rain-out
Boxing Title Fight
May 20 Larry Holmes beats Carl Williams in 15 for heavyweight boxing title
Cricket History
May 25 Allan Border scores 4th successive 1st class 100 (vs Derbyshire)
Indy 500
May 26 Indianapolis 500: Danny Sullivan wins by 24 seconds from Mario Andretti after surviving famous 360° spin on lap 120
- May 29 29th European Cup: Juventus beats Liverpool 1-0 at Brussels
- May 29 Amputee Steve Fonyo completes cross-Canada marathon at Victoria, British Columbia, after 14 months
Stanley Cup
May 30 Stanley Cup Final, Northlands Coliseum, Edmonton, AL: Edmonton Oilers take back-to-back titles; beat Philadelphia Flyers, 8-3 for a 4-1 series victory; Wayne Gretzky and Jari Kurri each post a goal and 3 assists
- May 31 New Orleans Saints are sold for $70,204,000