Events in Sport
- May 6 132nd Kentucky Derby: Edgar Prado aboard Barbaro wins in front of 157,532 fans
- May 13 English FA Cup Final, Millennium Stadium, Cardiff (71,140): Liverpool beats West Ham United, 3-1 on penalties after 3–3 (a.e.t.); Reds 7th title
- May 17 14th UEFA Champions League Final: Barcelona beats Arsenal 2-1 at Saint-Denis
- May 20 131st Preakness: Javier Castellano aboard Bernardini wins in 1:54.65
- May 21 The Swedish ice hockey team Tre Kronor takes gold in the World Championship, becoming the first nation to hold both the World and Olympic titles separately in the same year.
Laureus Awards
May 22 Laureus World Sports Awards, Parque del Fórum, Barcelona, Spain: Sportsman: Roger Federer; Sportswoman: Janica Kostelić; Team: Renault F1 team
- May 27 NHL Western Conference Final: Edmonton Oilers beat Anaheim Ducks, 4 games to 1
- May 27 Super Rugby Final, Christchurch: Canterbury Crusaders retain title with a 19-12 win over the Wellington Hurricanes; Dan Carter kicks 4 penalties & a conversion for the winners
- May 27 WLAF World Bowl 14, LTU arena, Düsseldorf: Frankfurt Galaxy beats Amsterdam Admirals, 22-7
- May 28 Indianapolis 500: Sam Hornish Jr. wins from the pole position; record 14th Indy victory for Penske Racing; 0.0635 second margin from runner-up Marco Andretti second-closest finish in history at the time
Baseball Record
May 28 Barry Bonds hits his 715th career home run, passing Babe Ruth on the MLB all-time list
- May 28 Senior PGA Championship Men’s Golf, Oak Tree GC: Jay Haas wins his first of 3 Champions Tour major titles with a birdie on the third playoff hole against Brad Bryant
Weddings in Sport
- May 6 Race car driver "Champ Car World Series" two time winner Sebastien Bourdais (27) weds Claire Bagot at Cathedral Saint-Julien in Le Mans, France
- May 13 British football star player Gary O'Neil (22) weds Donna Guerin in Highclere Castle, Hampshire
- May 19 "Liverpool" goalkeeper Pepe Reina (23) weds Yolanda Ruiz in Cordoba, Spain
- May 20 Race car driver Jacques Villeneuve (35) weds Johanna Martinez at a civil ceremony in Switzerland
- May 26 Soccer star player Joshua Kennedy (23) weds Australian Opals player Jacinta Hamilton at St. Joseph's Catholic Church in Port Melbourne
Deaths in Sport
Floyd Patterson
May 11 Floyd Patterson, American boxer (world heavyweight champion 1956-59, 1960-62, Olympic gold 1952), dies of prostate cancer at 71
- May 14 James Botten, South African cricketer (all-rounder in 1965 South African series v England), dies at 67
- May 23 Kazimierz Górski, Polish footballer (b. 1921)
- May 26 Kevin O'Flanagan, Irish rugby union winger (1 Test; London Irish RFC), soccer striker (FAI 10 caps; Ireland 3 caps) and administrator (International Olympic Committee 1976-94), dies at 86
- May 26 Ted Schroeder, American tennis player (US Nat C'ship 1942, Wimbledon 1949), dies of cancer at 84
- May 27 Craig Heyward, American NFL fullback (Pro Bowl 1995; New Orleans Saints), dies from brain cancer at 39
- May 28 Thorleif Schjelderup, Norwegian author and ski jumper (b. 1920)
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions