- May 3 129th Kentucky Derby: Jose Santos aboard Funny Cide wins in 2:01.19
- May 7 Arsenal thrash Southampton, 6-1 at Highbury to start Gunners' amazing English Premier League record 49-game unbeaten streak; ends 24 October, 2004 with 2-0 defeat at Manchester United
- May 16 NHL Western Conference Final: Anaheim Ducks beat Minnesota Wild, 4 games to 0
- May 17 128th Preakness: Jose Santos aboard Funny Cide wins in 1:55.61
- May 17 English FA Cup Final, Millennium Stadium, Cardiff (73,726): Arsenal beats Southampton, 1-0; Robert Pires scores 38' winner for Gunners' 9th title
Laureus Awards
May 20 Laureus World Sports Awards, Grimaldi Forum, Monaco: Sportsman: Lance Armstrong (rescinded); Sportswoman: Serena Williams; Team: Brazil Men's National Football team
Golf Tournament
May 22 In Fort Worth, Texas, Annika Sörenstam becomes the first woman to play the PGA Tour in 58 years.
- May 23 NHL Eastern Conference Final: New Jersey Devils beat Ottawa Senators, 4 games to 3
- May 24 Super Rugby Final, Eden Park, Auckland: Auckland Blues beat defending champion Canterbury Crusaders, 21-17 for their 3rd title
- May 25 Indianapolis 500: French born Brazilian driver Gil de Ferran passes Penske teammate and defending champion Hélio Castroneves with 31 laps remaining for his first Indy 500 win
- May 28 11th UEFA Champions League Final: Milan beats Juventus (0-0, 3-2 on penalties) at Manchester
Sports History
May 28 Patrick Roy officially announces his retirement from the NHL
Baseball Players
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NFL Stars
Tennis Champions