Alain Bernard is a former French swimmer from Aubagne, Bouches-du-Rhône.
Francesca Jean Halsall is a retired English competitive swimmer who has represented Great Britain at the Olympics, FINA world championships, and European championships, and England at the Commonwealth Games. She competed primarily in freestyle and butterfly events.
Christophe Lemaitre is a French sprinter who specialises in the 100 and 200 metres. In 2010, Lemaitre became the first white athlete to break the 10-second barrier in an officially timed 100 m event. Lemaitre has run a sub-10 second 100m on seven occasions: three times in 2010 and four times in 2011. He won a bronze medal in the 4 × 100 m relay at the 2012 London Olympic Games and in the 200 metres at the Rio 2016 Summer Olympics.
Jimmy Vicaut is a French sprinter who specializes in the 100 and 200 metres. His personal best of 9.86 in the 100 m is the joint second fastest time of any European athlete.
Ryan Bailey is an American sprinter. He has personal bests of 9.88 seconds for the 100-meter dash and 20.10 seconds for the 200-meter dash. He ranks among the top ten Americans ever for the shorter distance.
James Magnussen is a retired Australian swimmer and Olympic medallist. He was the 2011 and 2013 100-metre freestyle world champion, and holds the record for the fifth fastest swim in history in the 100-metre freestyle, with a time of 47.10, which until 2016 also stood as the fastest swim in textile swimwear material.
Daryna Zevina is a Ukrainian swimmer.
The swimming competitions at the 2012 Summer Olympics in London took place from 28 July to 4 August at the Aquatics Centre. The open-water competition took place from 9 to 10 August in Hyde Park.
The athletics competitions at the 2012 Olympic Games in London were held during the last 10 days of the Games, on 3–12 August. Track and field events took place at the Olympic Stadium in east London. The road events, however, started and finished on The Mall in central London.
Comoros competed at the 2012 Summer Olympics in London, England, which was held from 27 July to 12 August 2012. The country's participation at London marked its fifth appearance in the Summer Olympics since its début at the 1996 Summer Olympics. The delegation included two track and field athletes: Maoulida Darouèche and Feta Ahamada, and one swimmer, Ayouba Ali Sihame, all three qualified for the Games through wildcard places. Ahamada was selected as the flag bearer for the opening ceremony and Darouèche held it at the closing ceremony. Ahamada won her heat in the preliminary round of the women's 100 metres but was eliminated in the heat stages, while Darouèche and Sihame did not advance beyond the first round of their respective events.
Rūta Meilutytė is a Lithuanian swimmer. An Olympic gold medalist, she is a world record holder in the short course 50 metre breaststroke and 100 metre breaststroke. She is a former world record holder in the long course 50 metre breaststroke and 100 metre breaststroke.
The men's 100 metre freestyle event at the 2012 Summer Olympics took place on 31 July and 1 August at the London Aquatics Centre in London, United Kingdom. There were 56 competitors from 49 nations. The event was won by Nathan Adrian of the United States.
The men's 4 × 100 metre freestyle relay event at the 2012 Summer Olympics took place on 29 July at the London Aquatics Centre in London, United Kingdom.
The 2012 United States Olympic trials for swimming events were held from June 25 to July 2 at the CenturyLink Center Omaha in Omaha, Nebraska. It was the qualifying meet for American swimmers who hoped to compete at the 2012 Summer Olympics in London.
The Marshall Islands marked its second consecutive Olympiad, at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. The Olympian delegation included two men and two women, one male and one female athlete in athletics and one male and one female athlete in swimming. Middle-distance runner Haley Nemra was honored as the national flag bearer at the opening ceremony. The Marshall Islands continued their streak of bringing home no medals.
The Democratic Republic of the Congo made its Paralympic Games début at the 2012 Summer Paralympics in London, United Kingdom, from August 29 to September 9.
Pernille Blume is a former Danish swimmer specializing in sprint freestyle events. She competed at the 2012 Summer Olympics. At the 2016 Summer Olympics she was the gold medalist in the women's 50 metre freestyle and won a bronze medal in the women's 4 × 100 metre medley relay where she swam the freestyle leg of the relay in both the prelims and the final. She also competed at the 2020 Summer Olympics, winning a bronze medal in the 50 metre freestyle.
Petra Chocová is a Czech swimmer specialising in breaststroke.
Florent Manaudou is a French competitive swimmer, an Olympic champion of the 50-meter freestyle at the 2012 London Olympics, and the younger brother of Laure Manaudou, a 2004 Olympic gold medalist in swimming. He currently holds the world record in the 50-meter backstroke. He competes for the Energy Standard Swim Club in the International Swimming League.
Johanna Danois is a French sprinter. She competed for the French team in the 4 × 100 metres relay at the 2012 Summer Olympics, which was disqualified in Round 1.
