- May 1 130th Kentucky Derby: Stewart Elliott wins aboard Smarty Jones. North American wagering records smashed ($142m on 12-race card)
Baseball Record
May 1 Giants outfielder Barry Bonds sets MLB record for being intentionally walked 4 times in a 9-inning game during 6-3 defeat of Florida in SF
Laureus Awards
May 10 Laureus World Sports Awards, Cultural Centre of Belém, Lisbon, Portugal: Sportsman: Michael Schumacher; Sportswoman: Annika Sörenstam; Team: England Men's National Rugby Union team
FA Cup Final
May 22 English FA Cup Final, Millennium Stadium, Cardiff (71,350): Manchester United beats Millwall, 3-0; Ruud van Nistelrooy scores 2 and Cristiano Ronaldo 1 in Red Devils' 11th title win
- May 22 NHL Eastern Conference Final: Tampa Bay Lightning beat Philadelphia Flyers, 4 games to 3
- May 22 Super Rugby Final, Canberra: ACT Brumbies claim their 2nd title with a 47-38 win over Canterbury Crusaders; Brumbies wingers Mark Gerrard (3) and Joe Roff (2) combine for 5 tries
- May 26 12th UEFA Champions League Final: Porto beats AS Monaco 3-0 at Gelsenkirchen
Indy 500
May 30 Indianapolis 500: Buddy Rice wins from pole for team owners Bobby Rahal and David Letterman in a rain shortened race (450 miles - 180 of 200 scheduled laps)
Senior PGA Championship
May 31 Senior PGA Championship, Valhalla GC: Hale Irwin wins his 4th title in the event by 1 stroke ahead of runner-up Jay Haas