Dana Whitney Vollmer is an former American competition swimmer, five-time Olympic gold medalist, and former world record-holder. At the 2004 Summer Olympics, she won a gold medal as a member of the winning United States team in the 4×200-meter freestyle relay that set the world record in the event. Eight years later at the 2012 Summer Olympics, Vollmer set the world record on her way to the gold medal in the 100-meter butterfly, and also won golds in the 4×100-meter medley relay and 4×200-meter freestyle relay. She won three medals including a gold at the 2016 Summer Olympics in Rio de Janeiro.
Magdalena Johanna Maria "Marleen" Veldhuis is a retired swimmer from the Netherlands. She was world record holder in four events. Veldhuis won eight world championships gold medals and 20 European championships gold medals. In the Olympics, she won a bronze medal in London 2012 in the 50 m freestyle, as well as three relay medals: bronze in Athens 2004, gold in Beijing 2008, and silver in London 2012.
Inge Dekker is a Dutch former competitive swimmer who specialised in butterfly and freestyle events. She won the bronze medal with the Dutch women's 4×100-metre freestyle relay team at the 2004 Summer Olympics in Athens, alongside teammates Inge de Bruijn, Marleen Veldhuis and Chantal Groot. At the 2008 Summer Olympics in Beijing, Dekker became Olympic champion in the 4×100-metre freestyle together with Ranomi Kromowidjojo, Femke Heemskerk and Marleen Veldhuis, setting a then Olympic record. At the 2012 Summer Olympics, she was part of the Dutch 4 x 100 metre freestyle team that won the silver medal, with Veldhuis, Heemskerk and Kromowidjojo, behind the Australian team who set a new Olympic record.
Ranomi Kromowidjojo is a retired Dutch swimmer of mixed Dutch-Javanese Surinamese origin who mainly specialises in sprint freestyle events. She is a triple Olympic champion, winning the gold medal in the 4 × 100 m freestyle relay at the 2008 Olympics, and in the 50 m freestyle and 100 m freestyle at the 2012 Olympics. Kromowidjojo holds the world record in the 50 meter freestyle short course, and as part of the Dutch team she holds the world records in the 4×50 m, 4 × 100 m, and 4 × 200 m freestyle relays. She has won a total of 39 medals in FINA World Championship events.
Frederike Johanna Maria "Femke" Heemskerk is a former Dutch competitive swimmer who mainly specializes in freestyle, but also has a strong backstroke and medley.
Jessica Adele Hardy Meichtry is an American competition swimmer who specializes in breaststroke and freestyle events. Hardy earned a bronze medal in the 4×100-meter freestyle and a gold medal in the 4×100-meter medley relays at the 2012 Summer Olympics.
The women's 4 × 100 metre freestyle relay event at the 2008 Olympic Games took place on 9–10 August at the Beijing National Aquatics Center in Beijing, China.
Melissa Franklin Johnson is an American former competition swimmer and five-time Olympic gold medalist. She formerly held the world record in the 200-meter backstroke. As a member of the U.S. national swim team, she also held the world records in the 4×100-meter medley relay.
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.
Sharon van Rouwendaal is a Dutch swimmer and the Olympic gold medalist in the 10 km open water marathon at the 2016 Olympics in Rio de Janeiro.
The women's 50 metre freestyle event at the 2012 Summer Olympics took place on 3–4 August at the London Aquatics Centre in London, United Kingdom.
The women's 4 × 100 metre freestyle relay event at the 2012 Summer Olympics took place on 28 July at the London Aquatics Centre in London, United Kingdom.
The women's 4 × 100 metre medley relay event at the 2012 Summer Olympics took place on 3–4 August at the London Aquatics Centre in London, United Kingdom.
Bronte Campbell is a Malawian-born Australian competitive swimmer, a dual Olympic gold-medal winner and world champion. Her older sister, Cate, is also a competitive swimmer, and once held world records in both the short and long course 100 metre individual freestyle events. Bronte and Cate are the first Australian siblings on the same Olympic swimming team since the 1972 Olympics and the first Australian sisters ever to compete within the same swimming event at the Olympics. Bronte Campbell won three gold medals at the 2015 World Championships, including the 50 and 100 metre freestyle events.
Shannon Vreeland is an American former competition swimmer specializing in freestyle and Olympic gold medallist. She was a member of the 2012 United States Olympic team, and won a gold medal in the 4×200-meter freestyle relay at the 2012 London Summer Olympics. Vreeland had won a total of nineteen medals in major international competitions, including thirteen gold medals, three silver, and three bronze, spanning the Olympics, World Championships, Pan Pacific Championships, and Summer Universiade. Vreeland retired after the 2016 Olympic Trials and began attending law school at Vanderbilt University in the fall of 2016.
Danielle Villars is a Swiss swimmer who specialized in freestyle and butterfly events. She has won multiple Swiss titles and currently holds four national records in both freestyle and butterfly. Villars is a resident athlete for the Limmat Sharks, and is coached and trained by Dirk Reinicke.
The women's 50 metre freestyle event at the 2016 Summer Olympics took place between 12–13 August at the Olympic Aquatics Stadium.
The women's 100 metre freestyle event at the 2016 Summer Olympics took place between 10–11 August at the Olympic Aquatics Stadium.
Ben Schwietert is a Dutch competitive swimmer who specializes in freestyle.
Jesse Puts is a Dutch competitive swimmer who specializes in freestyle. He is the 2016 world champion in the 50 meter freestyle. He holds the Dutch records in this event in both long course and short course, as well as in the 100 meter freestyle.
