| 10 | American football |  FebruaryMarch- 31 March – 28 October: Baseball, / 2011 Major League Baseball season. 2011 World Series: St. Louis Cardinals.
April - 17: Marathon, London Marathon. Winners: Emmanuel Mutai, Mary Keitany.
- 18: Marathon, Boston Marathon. Winners: Geoffrey Mutai, Caroline Kilel.
May - 18: Association football, 2011 UEFA Europa League final. Winner: Porto.
- 21: Rugby union, 2011 Heineken Cup final. Winner: Leinster Rugby.
- 28: Association football, 2011 UEFA Champions League final. Winner: FC Barcelona.
- 31 May — 12 June: Basketball, / 2011 NBA Finals. Winner: Dallas Mavericks.
June - 12: Formula One, 2011 Canadian Grand Prix. Winner: Jenson Button.
- 18 — July 3: Basketball, EuroBasket Women 2011. Winner:
- 25: MotoGP, 2011 Dutch TT. Winner: Ben Spies.
- 26: Formula One, 2011 European Grand Prix. Winner: Sebastian Vettel.
- 26 — 17 July: Association football, 2011 FIFA Women's World Cup. '''Winner:'''
July - 24: Formula One, 2011 German Grand Prix. Winner: Lewis Hamilton.
August - 29 — September 12: Tennis, 2011 US Open. Winners in singles Novak Djokovic, Samantha Stosur.
- 30 — September 11: Basketball, 2011 FIBA Americas Championship. Winner:
- 31 — September 18: Basketball, EuroBasket 2011. '''Winner:'''
September - 7 — 11: Basketball, 2011 FIBA Oceania Championship. Winner:
- 7 — 11: Basketball, 2011 FIBA Oceania Championship for Women. Winner:
- 24 — October 1: Basketball, 2011 FIBA Americas Championship for Women. Winner:
- 25: Formula One, 2011 Singapore Grand Prix. Winner: Sebastian Vettel
- 25: Marathon, Berlin Marathon. Winners: Patrick Makau Musyoki, Florence Kiplagat.
October - 9: Marathon, Chicago Marathon. Winners: Moses Mosop, Liliya Shobukhova.
- 16: Formula One, 2011 Korean Grand Prix. Winner: Sebastian Vettel.
November - 7: Marathon, New York City Marathon. Winners: Geoffrey Mutai, Firehiwot Dado.
- 13: Formula One, 2011 Abu Dhabi Grand Prix. Winner: Lewis Hamilton.
December - 25 – April 2012: Basketball, / 2011–12 NBA season.
- Super Bowl XLV – the Green Bay Packers won 31–25 over the Pittsburgh Steelers
- *Location: AT&T Stadium
- *Attendance: 103,219
- *MVP: Aaron Rodgers, QB
- January 8 – Peyton Manning plays his final game in an Indianapolis Colts uniform, a 16–17 loss to the New York Jets in the wild-card round. The next season Manning would sit out the entire 2011 season to undergo neck surgeries and in that offseason, was released by the Colts and subsequently signed with the Denver Broncos in free agency, where he led them to 5 straight playoff appearances, Super Bowl XLVIII, and to their 3rd championship title in Super Bowl 50.
- January 10 – 2011 BCS National Championship Game, University of Phoenix Stadium, Glendale, Arizona: The Auburn Tigers defeated the Oregon Ducks 22–19 claiming the 2010 college football season national championship.
- April 28–30 – 2011 NFL draft at Radio City Music Hall in New York City. The Carolina Panthers selected quarterback Cam Newton of Auburn as the first overall pick.
- July 8–16 – The 2011 IFAF World Championship was held in Austria. The USA defeated Canada 50–7 in the gold medal match to win their second straight title.
- December 10 – 2011 Heisman Trophy was awarded to Robert Griffin III
Aquatics">Aquatic sports">Aquatics - 2011 FINA Men's Water Polo World League
- 2011 FINA World Junior Swimming Championships
- March 8–13, 2011: 2011 European Diving Championships in Turin, Italy
- July 16–31, 2011: 2011 World Aquatics Championships in Shanghai, China
- December 8–11, 2011: 2011 European Short Course Swimming Championships in Szczecin, Poland
Association football - January 7–29 – 2011 AFC Asian Cup in Qatar
- * Fourth title for. Runner up. Third place. MVP Keisuke Honda
- April 2 and 17 – OFC Champions League final won by Auckland City FC
- April 20 and 27 – CONCACAF Champions League finals:
- * C.F. Monterrey defeat Real Salt Lake 3–2 on aggregate.
- May 28 – UEFA Champions League final in London:
- * FC Barcelona defeat Manchester United 3–1.
- June 5–25 – 2011 CONCACAF Gold Cup in the United States
- * Winner:. Runner-up:. Semifinalists:,. MVP Javier Hernández.
- June 15 and 22 – Copa Libertadores finals
- * Santos defeat Peñarol 2–1 on aggregate.
- June 17 – July 1 – 2011 CPISRA Football 7-a-side World Championships in the Netherlands
- June 18 – July 10 – 2011 FIFA U-17 World Cup in Mexico
- * Mexico won the cup as host being the first team to achieve that, defeating Uruguay 2–0 and achieving their second title in the category.
- June 26 – July 17 – 2011 FIFA Women's World Cup in Germany
- * First title for. Runner up. Third place. Best Player Homare Sawa
- July 1–24 – 2011 Copa América in Argentina
- * 15th title for. Runner-up. Third place. Best Player Luis Suárez.
- July 29 – August 20 – 2011 FIFA U-20 World Cup in Colombia
- * Fifth title for. Runner up. Third place. Best Player Henrique
- November 5 – AFC Champions League final
- * Al-Sadd defeat Jeonbuk Hyundai Motors 2–2.
- November 6 and 12 – CAF Champions League finals
- * Espérance ST defeat Wydad Casablanca 1–0 on aggregate.
- December 8–18 – 2011 FIFA Club World Cup in Japan
- * Final FC Barcelona defeat Santos 4–0.
Athletics - January 21–30 – 2011 IPC Athletics World Championships in Christchurch, New Zealand
- August 27 – September 4 – 2011 World Championships in Athletics in Daegu, South Korea
Bandy - January 30, becomes world champion
Baseball
Basketball- February 20: 2011 NBA All-Star Game at Staples Center, Los Angeles.
- *West 148 beat 143 East
- May 8: Euroleague
- *Panathinaikos beats Maccabi Tel Aviv 78–70 and wins its sixth title in Barcelona. Dimitris Diamantidis was named MVP.
- May 31 – June 12: 2011 NBA Finals
- *The Western Conference champion Dallas Mavericks defeated the Eastern Conference champion Miami Heat, 4–2, to win their first NBA title. German player Dirk Nowitzki was named Finals MVP.
- August 30 – September 11 – FIBA Americas Championship 2011 in Mar del Plata, Argentina
- * Second title for '. and . MVP:
- September 3–18 – EuroBasket 2011 in Lithuania
- * Second title for '. and . MVP:
- October 2–7: 2011 WNBA Finals
- *The Western Conference champion Minnesota Lynx defeated the Eastern Conference champion Atlanta Dream, 3–0, to win their first WNBA title. Seimone Augustus was named Finals MVP.
- September 1–11 – The 2011 FIFA Beach Soccer World Cup in Ravenna, Italy.
- * puts an end to 's dominance, defeating them in the final by the score of 12–8. claimed third place.
- June 7–9, 2011 — Florida Beach Soccer FC wins the North American Sand Soccer Championship Virginia Beach, Virginia
- November, 2011 — Florida Beach Soccer FC also claims victory at BagoSports Beach Football Championship in Trinidad and Tobago securing the Caribbean Championshiptitle, going undefeated in the tournament winning 5-3.
- June 13–19 – The 2011 Beach Volleyball World Championships in Rome
- * Men's Event:
- * Women's Event:
- January 29 – Timothy Bradley defeats Devon Alexander by a tenth round technical decision. The fight was stopped due to a cut Alexander had received from an accidental headbutt in the third round, which was made worse by two more headbutts in the eighth round and a final fourth headbutt in the tenth round. Both fighters came in with undefeated records and the fight was initially praised as one of the few good match-ups between two top-ranked Americans in recent years. With the win, Bradley unified the light welterweight titles by defending his WBO title and winning Alexander's WBC title.
- February 19 – Nonito Donaire defeats Fernando Montiel by technical knockout in the second round to unify the WBO and WBC bantamweight titles. Donaire started the fight strong by controlling most of the first round, landing a left hook that briefly stunned Montiel. In the second round Donaire started landing a few combinations before finishing Montiel with a solid hook that knocked out his opponent.
- March 12 – Sergio Gabriel Martínez knocks out undefeated Sergiy Dzindziruk in the eighth round to win the vacant WBC diamond belt middleweight championship.
- March 12 – Miguel Cotto knocks out Ricardo Mayorga in the twelfth round to retain his WBA world light middleweight title.
- March 19 – Vitali Klitschko knocks out Odlanier Solís in the first round to retain his WBC heavyweight title for the sixth time. The knockout came as a surprise after Solís appeared to have sustained serious knee injury. Initially following the stoppage, Vitali Klitschko was angry at Solís and felt he took a dive. However following the fight Solís was taken to a hospital, where a scan revealed tears to his anterior cruciate ligament and external meniscus, as well as cartilage damage in his right knee.
- April 2 – Giovanni Segura knocks out Iván Calderón in the third round in a repeat of 2010's fight of the year.
- May 7 – Manny Pacquiao easily defeats Shane Mosley, retaining his WBO welterweight title by unanimous decision.
- July 2 – Wladimir Klitschko defeats David Haye by unanimous decision, adding Haye's WBA heavyweight title to the four he already held.
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