Kentucky Derby
May 3 134th Kentucky Derby: Kent Desormeaux aboard Big Brown wins by nearly 5 lengths; runner-up Eight Belles euthanised after fracturing both front ankles; first fatality in Derby history
PGA Players Championship
May 11 PGA Players Championship, TPC at Sawgrass: Sergio García of Spain claims the biggest win of his career to date in a sudden-death playoff over American Paul Goydos
- May 17 133rd Preakness: Kent Desormeaux aboard Big Brown wins in 1:54.80
Sports History
May 17 Dale Jarrett's final race, the All-Star race, before joining ESPN's NASCAR coverage full-time
- May 17 English FA Cup Final, Wembley Stadium, London (82,752): Portsmouth beats Cardiff City, 1-0; Nwankwo Kanu scores 37' winner
- May 18 NHL Eastern Conference Final: Pittsburgh Penguins beat Philadelphia Flyers, 4 games to 1
- May 19 NHL Western Conference Final: Detroit Red Wings beat Dallas Stars, 4 games to 2
- May 21 UEFA Champions League Final, Moscow: Manchester United beats Chelsea, 6-5 on penalties after scores tied at 1-1 after extra time; first all-English final in the competition's history
- May 25 Indianapolis 500: Scott Dixon of New Zealand wins ahead of Vítor Meira and Marco Andretti; 19th winner from pole and first victor from NZ
Senior PGA Championship
May 25 Senior PGA Championship, Oak Hill CC: Jay Haas wins his second title in the event by 1 stroke from Germany’s Bernhard Langer
Sports History
May 30 Stacy Lewis helps the U.S. team win the Curtis Cup, going 5-0 in the matches, and turns professional immediately afterward
Super Rugby Final
May 31 Super Rugby Final, Christchurch: Canterbury Crusaders claim their 7th title with a 20-12 win over NSW Waratahs; Dan Carter kicks 4 penalties & a dropped goal for the home team
Bolt Sets 100m Record
May 31 Usain Bolt breaks the world record in the 100m sprint, with a wind-legal (+1.7m/s) 9.72 seconds