with a time of 52.05 secondsa Pan American Games record and the 200-meter butterfly in 1:55.45 secondsa Pan record and South American recordand a silver in the 4×100-meter medley in 3:35.81 secondsa South American record. 2008 In 2008, Almeida reached the final of the 200-meter butterfly in the 2008 Summer Olympics in Beijing, finishing in seventh place. He finished 15th in the 100-meter butterfly and 14th in the 4×100-meter medley. 2009 On 8 May 2009, at Maria Lenk Aquatic Center, Almeida swam the 200-meter butterfly in 1:53.92 seconds; the fifth-fastest time in the race's history and a South American record. The day before, he broke the South American record for the 100-meter butterfly with a time of 51.64 seconds, but he did not swam the final, in which Gabriel Mangabeira set a new record of 51.21 seconds. At the 2009 World Aquatics Championships in Rome, Almeida finished in fourth place in the 200-meter butterfly with a time of 1:54.27. He ranked 20th in the 50-meter butterfly and 29th in the 100-meter butterfly. In the Stockholm stage of the FINA World Cup in November 2009, Almeida broke his South American record in the heats of the 200-meter butterfly with a time of 1:51.46 seconds. At the finals, he set a world record in the short-course 200-meter butterfly in 1:49.11 seconds. Almeida's record was beaten in 2013 by South African Chad le Clos, who improved the record to 1:49.04. A day later, he won another gold, beating the South American record for the 100-meter butterfly twice with times of 50.34 seconds in the heats and 49.44 seconds in the final. 2010 Almeida competed at the 2010 Pan Pacific Swimming Championships in Irvine, California, where he finished fifth in the 200-meter butterfly and 11th in the 100-meter butterfly. At the 2010 FINA World Swimming Championships (25 m) in Dubai, Almeida won bronze in the 100-meter butterfly with a time of 50.33 seconds. In the 200-meter butterfly, he won silver with a time of 1:51.56 seconds. Along with teammates César Cielo, Felipe França and Guilherme Guido, Almeida broke the South American record for the 4×100-meter medley with a time of 3:23.12 seconds, winning the bronze medal. 2011 In the 2011 World Aquatics Championships held in Shanghai, Almeida finished 10th in the 200-meter butterfly, 25th in the 100-meter butterfly and 14th in the 4×100-meter medley. In the 2011 Pan American Games in Guadalajara, Almeida won