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.
This is a history of the progression of the World Record for the Swimming event: the 50 butterfly. It is a listing of the fastest-time-ever in the event, in both long course (50m) and short course (25m) swimming pool. These records are maintained/recognized by FINA, which oversees international competitive swimming and Aquatics.
The men's 1500 metre freestyle at the 2007 World Aquatics Championships was held on the morning of 31 March (heats) and the evening of 1 April (final) at Rod Laver Arena in Melbourne, Australia. 50 swimmers were entered in the event, of which 47 swam.
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.
The Women's 50m Butterfly at the 2007 World Aquatics Championships took place on 30 March and the evening of 31 March (finals) at the Rod Laver Arena in Melbourne, Australia. 99 swimmers were entered in the event, of whom 93 swam.
The men's 400 metre individual medley (IM) at the 2007 World Aquatics Championships took place on 1 April at the Rod Laver Arena in Melbourne, Australia. As the event was over 400 meters in length, no semifinals were held in it and the top 8 swimmers from the preliminary heats advance directly to the single final heat. 50 swimmers were entered in the event, of which 49 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 200 metre backstroke at the 2007 World Aquatics Championships took place on 29 March and 30 March (final) at Rod Laver Arena in Melbourne, Australia. 57 swimmers were entered in the event, of which 55 swam.
The men's 50 metre breaststroke 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. 136 swimmers were entered in the event, of which 127 swam.
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 100 Butterfly event at the 10th FINA World Aquatics Championships swam 25–26 July 2003 in Barcelona, Spain. Preliminary and Semifinal heats swam July 25, with the prelims during the morning session and the semifinals in the evening session. The Final was held on July 26.
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.
The Women's 200 Freestyle at the 11th FINA World Aquatics Championships was swum 26 and 27 July 2005 in Montreal, Quebec, Canada. On 26 July, preliminary heats and semifinals occurred, and on 27 July a final heat was swum in the evening. 64 swimmers were entered in the event, of which 62 swam in one of 8 heats. The top-16 swimmers from the preliminary heats advanced on to semifinals; the top-8 swimmers in the two semifinals heats advanced onto the next night's final.
The Men's 50 Backstroke event at the 11th FINA World Aquatics Championships swam on 30 – 31 July 2005 in Montreal, Canada. Preliminary and Semifinal heats swam on 30 July; the Final was 31 July.
The Men's 50 Butterfly event at the 11th FINA World Aquatics Championships swam 26–-27 July 2005 in Montreal, Canada. Preliminary and Semifinal heats swam on 26 July, with the Final on 27 July.
The Women's 50 Butterfly event at the 11th FINA World Aquatics Championships swam 29 – 30 July 2005 in Montreal, Canada. Preliminary and Semifinals heats were held on 29 July. The Final was held on 30 July.
The Men's 50 Backstroke event at the 10th FINA World Aquatics Championships swam July 26–27, 2003 in Barcelona, Spain. Preliminary and Semifinal heats were on July 26, with the Final swum on July 27.
The Women's 50m Butterfly event at the 10th FINA World Aquatics Championships swam on July 25 – 26, 2003 in Barcelona, Spain. Preliminary and Semifinal heats swam on July 25, with the Final swum on July 26.
Kristóf Milák is a Hungarian swimmer. He is the current holder of the world record in the long course 200 metre butterfly and the European record in the long course 100 metre butterfly. He also currently holds the Hungarian record in the short course 50 metre backstroke. At his first Olympic Games, the 2020 Summer Olympics, he won a gold medal in the 200 metre butterfly and a silver medal in the 100 metre butterfly. He has also won three gold medals and one silver at the World Aquatic Championships, as well as three gold medals at the European Aquatics Championships. He was the gold medalist in the 400 metre freestyle, 200 metre freestyle, and 200 metre butterfly events at the 2018 Summer Youth Olympics.
