Aaron Wells Peirsol is an American former competition swimmer and backstroke specialist who is a former world champion and world record-holder. He is a three-time Olympian and seven-time Olympic medalist. Individually, he currently holds the world record in the 200-meter backstroke event. In February 2011, Peirsol announced his retirement, saying, "I ended up doing everything I set out to do."
Ryan Steven Lochte is an American professional swimmer and 12-time Olympic medalist. Along with Natalie Coughlin, Dara Torres, and Jenny Thompson, he is the second-most decorated swimmer in Olympic history measured by total number of medals, behind only Michael Phelps. Lochte's seven individual Olympic medals rank second in history in men's swimming, tied for second among all Olympic swimmers. He currently holds the world records in the 200-meter individual medley. As part of the American teams, he also holds the world record in the 4×200-meter freestyle and 4×100-meter freestyle (mixed) relay.
The Women's 200m Individual Medley at the 2007 World Aquatics Championships took place on 25 March and the evening of 26 March (finals) at the Rod Laver Arena in Melbourne, Australia. 50 swimmers were entered in the event, of which 49 swam.
The Women's 200m Butterfly at the 2007 World Aquatics Championships took place on 28 March and the evening of 29 March (finals) at the Rod Laver Arena in Melbourne, Australia. 57 swimmers were entered in the event, of which 54 swam.
The men's 50 metre backstroke at the 2007 World Aquatics Championships took place on 31 March and on the evening of 1 April (final) at Rod Laver Arena in Melbourne, Australia. 107 swimmers were entered in the event, of which 98 swam.
The men's 200 metre backstroke event at the 2008 Olympic Games took place on 13–15 August at the Beijing National Aquatics Center in Beijing, China. There were 40 competitors from 31 nations.
The men's 200 metre butterfly at the 2007 World Aquatics Championships took place on 27 March and on the evening of 28 March (final) at Rod Laver Arena in Melbourne, Australia. 64 swimmers were entered in the event, of which 62 swam.
Scott Tyler Clary is an American former competition swimmer and Olympic gold medalist. In his Olympic debut at the 2012 Summer Olympics, Clary won gold in the 200-meter backstroke in Olympic record time. In total, he won sixteen medals in major international competitions: three gold, eight silver, and five bronze spanning the Summer Olympics, the FINA World Championships, the Pan Pacific Championships, and the Pan American Games.
The men's 4 × 100 metre medley relay at the 2007 World Aquatics Championships took place on 1 April 2007 at the Rod Laver Arena in Melbourne, Australia. The top-12 finishers from this race qualified for the event at the 2008 Olympics.
The Women's 200m Breaststroke at the 2007 World Aquatics Championships took place on 29 March and the evening of 30 March (finals) at the Rod Laver Arena in Melbourne, Australia. 55 swimmers were entered in the event, of which 54 swam.
The men's 200 metre individual medley (IM) at the 2007 World Aquatics Championships took place on 28 March and on the evening of 29 March (final) at Rod Laver Arena in Melbourne, Australia. 79 swimmers were entered in the event, of which 74 swam.
The men's 100 metre butterfly at the 2007 World Aquatics Championships took place on 30 March and on the evening of 31 March (final) at Rod Laver Arena in Melbourne, Australia. 123 swimmers were entered in the event, of which 118 swam.
The men's 200 metre breaststroke at the 2007 World Aquatics Championships took place on 29 March and on the evening of 30 March (final) at Rod Laver Arena in Melbourne, Australia. 85 swimmers were entered in the event, of which 79 swam.
The men's 100 metre backstroke at the 2009 World Championships took place Monday 27 July and on the evening of Tuesday 28 July (final) at the Foro Italico in Rome, Italy.
The heats for the men's 200 metre butterfly race at the 2009 World Championships took place in the morning of 28 July, with the final in the evening session of 29 July at the Foro Italico in Rome, Italy.
The heats for the Men's 200 metre Individual Medley race at the 2009 World Championships took place in the morning and evening of 29 July and the final took place in the evening session of 30 July at the Foro Italico in Rome, Italy. The order of swimming in the medley was butterfly, backstroke, breaststroke, freestyle.
The men's 200 freestyle at the 11th FINA World Aquatics Championships swam 25+26 July 2005 in the Olympic pool at Parc Jean-Drapeau in Montreal, Canada. 95 swimmers were entered in the preliminary heats, which swam in the morning of July 25. The top-16 swimmers from the prelims advanced on to semifinal heats that evening. From the semifinals, the top 8 swimmers advanced onto the next night's final.
The Men's 200 Individual Medley event at the 2005 FINA World Aquatics Championships was swum 27 – 28 July 2005 in Montreal, Quebec, Canada. Preliminary and Semifinal heats were 27 July; the Final 28 July. The top-16 swimmers from the Prelims in the morning advanced to the 1 of 2 Seminfinal in the evening; the top-8 swimmers from the Semifinals then advanced to the Final the next evening.
The Men's 200 Backstroke event at the 10th FINA World Aquatics Championships swam July 24–25, 2003 in Barcelona, Spain. Preliminary and Semifinal heats were on 24 July with the heats being held in the morning session and the semifinals being held in the evening session. The Final swam on 25 July.
