This is a listing of the history of the World Record for the 50 backstroke swimming event. Swimming World Records are maintained by FINA, the international sports federation which oversees the sport. World Records are recognized only in meter-courses: long course (50m) and short course (25m). Like the other 50s of stroke, World Record status/monitoring for this event first began in the 1990s.
Ellie Victoria Cole, is an Australian retired Paralympic swimmer and wheelchair basketball player. After having her leg amputated due to cancer, she trained in swimming as part of her rehabilitation program and progressed more rapidly than instructors had predicted. She began competitive swimming in 2003 and first competed internationally at the 2006 IPC Swimming World Championships, where she won a silver medal. Since then, she has won medals in the Pan Pacific Swimming Championships, the Commonwealth Games, the Paralympic Games, the IPC Swimming World Championships, and various national championships. Following the 2012 London Paralympics, where she won four gold and two bronze medals, Cole underwent two shoulder reconstructions and made a successful return to swimming at the 2015 IPC Swimming World Championships, winning five medals, including three golds. She subsequently represented Australia at the 2016 Rio de Janeiro Paralympics, the 2018 Commonwealth Games, and the 2020 Tokyo Paralympics. In claiming her seventeenth Paralympic medal in Tokyo, Cole became Australia's most decorated female Paralympian with six gold, five silver and six bronze medals from four Paralympic Games.
Alice Tai, is a British paralympic swimmer. Tai competes in the SB8, SM8 and S8. She has represented Great Britain at European and World Championships and at the Commonwealth and Paralympic Games, gold medals at all levels.
Frances Williamson is a retired British Paralympic swimmer. Williamson competed in the S3 classification mainly in the freestyle and backstroke preferring shorter distances. She participated in two Summer Paralympic Games winning six medals. At the 2006 IPC World Championships she won three gold medals including the 50m backstroke S3, which she successfully defended four years later at Eindhoven.
The women's 400 metre freestyle at the 2009 IPC Swimming European Championships was held at Laugardalslaug in Reykjavik from 18–24 October.
The men's 100 metre backstroke at the 2009 IPC Swimming European Championships was held at Laugardalslaug in Reykjavik from 18–24 October.
The women's 50 metre freestyle at the 2009 IPC Swimming European Championships was held at Laugardalslaug in Reykjavik from 18–24 October.
The men's 50 metre backstroke at the 2009 IPC Swimming European Championships was held at Laugardalslaug in Reykjavik from 18–24 October.
The women's 100 metre backstroke at the 2009 IPC Swimming European Championships was held at Laugardalslaug in Reykjavik from 18–24 October.
Damian Michał Pietrasik is a visually impaired Polish Paralympic swimmer competing in S11-classification events. He represented Poland at the 2004 Summer Paralympics in Athens, Greece and at the 2008 Summer Paralympics in Beijing, China. He won the silver medal in the men's 100 metre backstroke S11 event at the 2008 Summer Paralympics.
