Wikipedia

World record progression 50 metres backstroke

This is a listing of the history of the world record for the 50 metres backstroke swimming event. Swimming world records are maintained by World Aquatics, the international sports federation which oversees the sport. World records are recognized only in long course (50m) and short course (25m). Like the 50 m breaststroke, 50 m butterfly, and the 50 m backstroke, world record status and monitoring for this event first began in the 1990s.

Graphic data for World Record Progression in Men and Women Swimming 50m-100m-200m Long and Short Course Butterfly-Backstroke-Breaststroke-Freestyle
Main article: List of world records in swimming

Men

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Long course

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# Time Name Nationality Date Meet Location Ref
WBT 25.13 Jeff Rouse   United States 15 Apr 1993 Robert Burns Invitational Edinburgh, United Kingdom
1 24.99 tt Lenny Krayzelburg   United States 28 Aug 1999 Pan Pacific Championships Sydney, Australia
2 24.80 Thomas Rupprath   Germany 27 Jul 2003 World Championships Barcelona, Spain
3 24.47 h, † Liam Tancock   Great Britain 2 Apr 2008 British Championships Sheffield, United Kingdom [1]
4 24.33 Randall Bal   United States 5 Dec 2008 Dutch Swimming Cup Eindhoven, Netherlands [2]
5 24.08 sf Liam Tancock   Great Britain 1 Aug 2009 World Championships Rome, Italy
6 24.04 Liam Tancock   Great Britain 2 Aug 2009 World Championships Rome, Italy
7 24.00 Kliment Kolesnikov   Russia 4 Aug 2018 European Championships Glasgow, United Kingdom [3]
8 23.93 sf Kliment Kolesnikov   Russia 17 May 2021 European Championships Budapest, Hungary [4][5]
9 23.80 Kliment Kolesnikov   Russia 18 May 2021 European Championships Budapest, Hungary
10 23.71 Hunter Armstrong   United States 28 April 2022 USA International Team Trials Greensboro, United States [6]
11 23.55 Kliment Kolesnikov   Russia 27 July 2023 Russian National Swimming Cup Final Kazan, Russia
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial

Short course

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# Time Name Nationality Date Meet Location Ref
1 25.10 Daichi Suzuki   Japan 10 Feb 1990 World Cup Bonn, West Germany [7]
# 24.66 Alexander Popov   Russia 13 March 1994 World Cup Desenzano, Italy
2 24.60 Franck Schott   France 26 March 1994 World Cup Paris, France
3 24.37 h Jeff Rouse   United States 12 Feb 1995 World Cup Sheffield, United Kingdom
4 24.25 Chris Renaud   Canada 28 Feb 1997 CIAU Championships St. Catharines, Canada
5 24.13 Thomas Rupprath   Germany 11 December 1998 European 25m Championships Sheffield, United Kingdom
5 24.13 = Matt Welsh   Australia 2 September 1999 Australia 25m Nationals Canberra, Australia
6 24.12 Neil Walker   United States 18 November 1999 World Cup College Park, United States
7 24.11 Matt Welsh   Australia 14 January 2000 World Cup Hobart, Australia
8 24.04 h Neil Walker   United States 13 March 2000 World Championships Athens, Greece
9 23.42 sf Neil Walker   United States 13 March 2000 World Championships Athens, Greece
10 23.31 Matt Welsh   Australia 2 Sep 2002 Australia 25m Nationals Melbourne, Australia
11 23.27 Thomas Rupprath   Germany 10 Dec 2004 European 25m Championships Vienna, Austria [8]
12 23.24 Robert Hurley   Australia 26 Oct 2008 World Cup Sydney, Australia [9]
13 23.05 Peter Marshall   United States 12 Nov 2008 World Cup Stockholm, Sweden [10]
14 22.87 Randall Bal   United States 15 Nov 2008 World Cup Berlin, Germany [11]
15 22.75 Peter Marshall   United States 17 October 2009 World Cup Durban, South Africa [12]
16 22.73 Peter Marshall   United States 11 Nov 2009 World Cup Stockholm, Sweden [13]
17 22.61 Peter Marshall   United States 22 Nov 2009 World Cup Singapore [14]
18 22.22 Florent Manaudou   France 6 December 2014 World Championships Doha, Qatar [15]
19 22.11 Kliment Kolesnikov   Russia 23 November 2022 Solidarity Games Kazan, Russia [16]
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial

Women

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Long course

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# Time Name Nationality Date Meet Location Ref
1 29.00 Sandra Völker   Germany 24 May 1997 Mare Nostrum Monte Carlo, Monaco
2 28.78 sf Sandra Völker   Germany 12 Jun 1999 Mare Nostrum Monte Carlo, Monaco
3 28.71 Sandra Völker   Germany 1 Aug 1999 European Championships Istanbul, Turkey
4 28.69 Nina Zhivanevskaya   Spain 8 Apr 2000 Spain Spring Nationals Madrid, Spain
5 28.67 Mai Nakamura   Japan 25 Apr 2000 Japan Championships Tokyo, Japan
6 28.25 h Sandra Völker   Germany 17 Jun 2000 Germany Championships Berlin, Germany
7 28.19 Janine Pietsch   Germany 25 May 2005 Germany Championships Berlin, Germany
8 28.16 sf Leila Vaziri   United States 28 Mar 2007 World Championships Melbourne, Australia
8 28.16 = Leila Vaziri   United States 29 Mar 2007 World Championships Melbourne, Australia
9 28.09 Li Yang   China 19 Oct 2007 World Military Games Hyderabad, India
10 28.00 r Hayley McGregory   United States 7 Mar 2008 Texas Senior Circuit Championships Austin, United States
11 27.95 sf Emily Seebohm   Australia 22 Mar 2008 Australia Championships Sydney, Australia
12 27.67 Sophie Edington   Australia 23 Mar 2008 Australia Championships Sydney, Australia [17]
12 27.67 = Zhao Jing   China 9 Apr 2009 China Championships Shaoxing, China [18]
13 27.61 Daniela Samulski   Germany 26 Jun 2009 Germany Championships Berlin, Germany [19]
14 27.39 sf Daniela Samulski   Germany 29 Jul 2009 World Championships Rome, Italy
15 27.38 sf Anastasia Zuyeva   Russia 29 Jul 2009 World Championships Rome, Italy
16 27.06 Zhao Jing   China 30 Jul 2009 World Championships Rome, Italy
17 26.98 Liu Xiang   China 21 Aug 2018 Asian Games Jakarta, Indonesia [20]
18 26.86 Kaylee McKeown   Australia 20 October 2023 World Cup Budapest, Hungary [21]
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial

Short course

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# Time Name Nationality Date Meet Location Ref
WBT 28.47 Lei Xue   China 9 Jan 1993 World Cup Beijing, China
1 28.33 Sandra Völker   Germany 16 Feb 1993 World Cup Sheffield, United Kingdom
2 27.64 Xiuyu Bai   China 13 March 1994 World Cup Desenzano, Italy
3 27.27 Sandra Völker   Germany 13 Dec 1998 European Championships Sheffield, United Kingdom [22]
4 27.25 r Haley Cope   United States 18 Mar 2000 NCAA Division I Championships Indianapolis, United States [23]
5 26.83 Li Hui   China 2 Dec 2001 World Cup Shanghai, China [22]
6 26.50 Sanja Jovanović   Croatia 15 Dec 2007 European Championships Debrecen, Hungary
7 26.37 Sanja Jovanović   Croatia 13 Apr 2008 World Championships Manchester, United Kingdom [24]
8 26.23 Sanja Jovanović   Croatia 13 Dec 2008 European Championships Rijeka, Croatia
9 26.17 Marieke Guehrer   Australia 6 Nov 2009 World Cup Moscow, Russia
10 26.08 h Zhao Jing   China 10 Nov 2009 World Cup Stockholm, Sweden [25]
11 25.82 Zhao Jing   China 10 Nov 2009 World Cup Stockholm, Sweden [26]
12 25.70 Sanja Jovanović   Croatia 12 Dec 2009 European Championships Istanbul, Turkey [27]
13 25.67 Etiene Medeiros   Brazil 7 Dec 2014 World Championships Doha, Qatar [28]
14 25.60 Kira Toussaint   Netherlands 14 Nov 2020 ISL Semifinal 1 Budapest, Hungary [29]
14 25.60 = Kira Toussaint   Netherlands 18 Dec 2020 Amsterdam Christmas Meet Amsterdam, Netherlands [30]
15 25.27 Maggie Mac Neil   Canada 20 Dec 2021 World Championships Abu Dhabi, United Arab Emirates [31]
16 25.25 Maggie Mac Neil   Canada 16 December 2022 World Championships Melbourne, Australia [32]
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial

All-time top 25

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Men long course

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  • Correct as of June 2024[33]
Pos Time Swimmer Date Venue Ref
1 23.55   Kliment Kolesnikov (RUS) 27 July 2023 Kazan [34]
2 23.71   Hunter Armstrong (USA) 28 April 2022 Greensboro [35]
3 23.92   Justin Ress (USA) 28 April 2022 Greensboro [36]
4 24.00   Shaine Casas (USA) 28 April 2022 Greensboro [37]
5 24.04   Liam Tancock (GBR) 2 August 2009 Rome
6 24.07   Camille Lacourt (FRA) 12 August 2010 Budapest
7 24.12   Robert Glință (ROU) 3 August 2018 Glasgow
  Isaac Cooper (AUS) 17 February 2024 Doha [38]
9 24.23   Mark Nikolaev (RUS) 11 April 2019 Kazan
10 24.24   Junya Koga (JPN) 2 August 2009 Rome
  Ryan Murphy (USA) 27 July 2018 Irvine
12 24.28   Pavel Samusenko (RUS) 19 April 2023 Kazan [39]
  Miron Lifincev (RUS) 7 August 2024 Debrecen [40]
14 24.29   Vladimir Morozov (RUS) 3 August 2018 Glasgow
15 24.32   Shane Ryan (IRL) 3 August 2018 Glasgow
16 24.33   Randall Bal (USA) 5 December 2008 Eindhoven
17 24.34   Johannes Zandberg (RSA) 2 August 2009 Rome
18 24.36   Apostolos Christou (GRE) 15 August 2022 Rome [41]
  Pieter Coetze (RSA) 13 April 2023 Gqeberha [42]
20 24.38   Xu Jiayu (CHN) 25 September 2023 Hangzhou [43]
21 24.39   Michael Andrew (USA) 21 June 2019 Rome
22 24.40   Thomas Ceccon (ITA) 15 August 2022 Rome [41]
  Michele Lamberti (ITA) 22 June 2024 Rome [44]
24 24.43   Zane Waddell (RSA) 28 July 2019 Gwangju
25 24.44   Daniel Orzechowski (BRA) 24 April 2012 Rio de Janeiro
  Ksawery Masiuk (POL) 2 September 2022 Lima [45]
26 February 2023 Lublin [46]
18 February 2024 Doha [47]

Notes

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Below is a list of other times equal or superior to 24.44:

  • Kliment Kolesnikov also swam 23.80 (2021), 23.93 (2021), 24.00 (2018), 24.08 (2021), 24.12 (2023), 24.23 (2021), 24.25 (2018, 2021), 24.35 (2019), 24.40 (2018), 24.42 (2023).
  • Hunter Armstrong also swam 24.01 (2022), 24.05 (2023), 24.14 (2022), 24.16 (2022, 2023), 24.20 (2023), 24.30 (2023), 24.33 (2024), 24.41 (2023), 24.43 (2024).
  • Justin Ress also swam 24.05 (2022), 24.10 (2023), 24.12 (2022), 24.14 (2022), 24.18 (2023), 24.21 (2023), 24.24 (2022, 2023), 24.31 (2018), 24.35 (2023), 24.41 (2017).
  • Liam Tancock also swam 24.08 (2009).
  • Isaac Cooper also swam 24.13 (2024), 24.38 (2023), 24.44 (2022).
  • Camille Lacourt also swam 24.23 (2015), 24.27 (2015), 24.30 (2017), 24.30 (2010), 24.35 (2017), 24.36 (2011), 24.37 (2014), 24.39 (2013), 24.42 (2013).
  • Junya Koga also swam 24.28 (2014), 24.29 (2009), 24.36 (2015), 24.44 (2017).
  • Vladimir Morozov also swam 24.35 (2018), 24.40 (2019), 24.43 (2018, 2019).
  • Apostolos Christou also swam 24.39 (2022, 2024).
  • Xu Jiayu also swam 24.41 (2023), 24.42 (2017).
  • Robert Glință also swam 24.42 (2021).

Men short course

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  • Correct as of October 2024[48]
Pos Time Swimmer Date Venue Ref
1 22.11   Kliment Kolesnikov (RUS) 23 November 2022 Kazan [49]
2 22.22   Florent Manaudou (FRA) 6 December 2014 Doha [50]
3 22.49   Mark Nikolaev (RUS) 28 December 2021 Saint Petersburg [51]
4 22.52   Isaac Cooper (AUS) 15 December 2022 Melbourne [52]
5 22.53   Ryan Murphy (USA) 25 November 2021 Eindhoven [53]
6 22.55   Guilherme Guido (BRA) 26 October 2019 Budapest
7 22.58   Evgeny Rylov (RUS) 14 December 2018 Hangzhou [54]
8 22.61   Coleman Stewart (USA) 28 August 2021 Naples [55]
  Peter Marshall (USA) 22 November 2009 Singapore
10 22.62   Michele Lamberti (ITA) 3 November 2021 Kazan [56]
11 22.65   Lorenzo Mora (ITA) 17 December 2022 Melbourne [57]
12 22.70   Xu Jiayu (CHN) 3 November 2018 Hangzhou
13 22.72   Dylan Carter (TRI) 4 November 2022 Indianapolis [58]
14 22.74   Kacper Stokowski (POL) 15 December 2022 Melbourne [59]
16 December 2022 Melbourne [60]
  Stanislav Donets (RUS) 26 November 2010 Netherlands
  Robert Glință (ROM) 3 November 2021 Kazan [61]
17 22.75   Miron Lifintsev (RUS) 17 December 2023 Saint Petersburg [62]
18 22.76   Christian Diener (GER) 18 October 2020 Budapest
  Shane Ryan (IRL) 14 December 2018 Hangzhou [54]
20 22.78   Pavel Samusenko (RUS) 17 December 2023 Saint Petersburg [63]
21 22.80   Pieter Coetze (RSA) 25 October 2024 Incheon [64]
22 22.81   Junya Koga (JPN) 8 December 2016 Windsor
23 22.82   Pavel Sankovich (BLR) 19 November 2017 Singapore
24 22.84   Gabriel Fantoni (BRA) 20 December 2021 Abu Dhabi [65]
  Mewen Tomac (FRA) 6 December 2023 Ostopeni [66]

Notes

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Below is a list of other times equal or superior to 22.84:

  • Kliment Kolesnikov also swam 22.31 (2022), 22.42 (2023), 22.47 (2021), 22.57 (2021), 22.64 (2019), 22.75 (2019), 22.76 (2021), 22.77 (2018), 22.82 (2018), 22.83 (2017).
  • Ryan Murphy also swam 22.54 (2020), 22.56 (2021), 22.61 (2022), 22.63 (2018, 2021), 22.64 (2022), 22.73 (2018), 22.74 (2022), 22.75 (2020), 22.76 (2020), 22.79 (2021), 22.80 (2020), 22.83 (2020).
  • Isaac Cooper also swam 22.58 (2024), 22.66 (2022), 22.68 (2024), 22.73 (2022), 22.75 (2024), 22.79 (2022).
  • Evgeny Rylov also swam 22.59 (2021), 22.68 (2018), 22.76 (2020), 22.80 (2020).
  • Guilherme Guido also swam 22.60 (2021, 2021), 22.68 (2018), 22.73 (2021), 22.75 (2018), 22.77 (2019), 22.79 (2018), 22.82 (2019).
  • Michele Lamberti also swam 22.65 (2021), 22.79 (2021).
  • Mark Nikolaev also swam 22.70 (2021).
  • Jiayu Xu also swam 22.71 (2018).
  • Peter Marshall also swam 22.73 (2009), 22.75 (2009).
  • Stanislav Donets also swam 22.76 (2009), 22.79 (2009), 22.80 (2009).
  • Coleman Stewart also swam 22.76 (2020), 22.84 (2020).
  • Kacper Stokowski also swam 22.78 (2022).
  • Lorenzo Mora also swam 22.81 (2022).
  • Pavel Samusenko also swam 22.81 (2021).
  • Shane Ryan also swam 22.82 (2021).
  • Pavel Sankovich also swam 22.84 (2017).
  • Christian Diener also swam 22.84 (2021).
  • Pieter Coetze also swam 22.84 (2022).

Women long course

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  • Correct as of April 2024[67]
Pos Time Swimmer Date Venue Ref
1 26.86   Kaylee McKeown (AUS) 20 October 2023 Budapest [68]
2 26.98   Liu Xiang (CHN) 21 August 2018 Jakarta
3 27.06   Zhao Jing (CHN) 30 July 2009 Rome
4 27.10   Kira Toussaint (NED) 10 April 2021 Eindhoven
  Regan Smith (USA) 26 July 2023 Fukuoka [69]
6 27.11   Fu Yuanhui (CHN) 6 August 2015 Kazan
7 27.12   Katharine Berkoff (USA) 28 April 2022 Greensboro [70]
8 27.14   Etiene Medeiros (BRA) 27 July 2017 Budapest
9 27.16   Mollie O'Callaghan (AUS) 18 April 2024 Gold Coast [71]
10 27.18   Kylie Masse (CAN) 6 April 2022 Victoria [72]
11 27.19   Kathleen Dawson (GBR) 18 May 2021 Budapest [73]
12 27.20   Lauren Cox (GBR) 27 July 2023 Fukuoka [74]
13 27.21   Georgia Davies (GBR) 4 August 2018 Glasgow
14 27.23   Daniela Samulski (GER) 30 July 2009 Rome
  Aliaksandra Herasimenia (BLR) 27 July 2017 Budapest
  Anastasia Fesikova (RUS) 4 August 2018 Glasgow
17 27.27   Analia Pigrée (FRA) 14 August 2022 Rome [75]
18 27.28   Gao Chang (CHN) 30 July 2009 Rome
19 27.33   Olivia Smoliga (USA) 25 July 2019 Gwangju
28 April 2022 Greensboro [76]
20 27.35   Wang Xueer (CHN) 25 September 2023 Hangzhou [77]
21 27.37   Emily Seebohm (AUS) 27 July 2017 Budapest
  Ingrid Wilm (CAN) 21 May 2023 Monaco [78]
23 27.39   Silvia Scalia (ITA) 13 August 2022 Rome [79]
24 27.41   Wan Letian (CHN) 25 September 2023 Hangzhou [80]
25 27.42   Mimosa Jallow (FIN) 4 August 2018 Glasgow

Notes

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Below is a list of other times equal or superior to 27.42:

  • Kaylee McKeown also swam 26.98 (2023), 27.02 (2023), 27.07 (2024), 27.08 (2023), 27.16 (2021), 27.24 (2023), 27.25 (2024), 27.26 (2023), 27.31 (2023), 27.32 (2024), 27.38 (2021), 27.41 (2021).
  • Regan Smith also swam 27.11 (2023), 27.14 (2023), 27.25 (2023), 27.29 (2022), 27.31 (2023), 27.40 (2022).
  • Katharine Berkoff also swam 27.13 (2023), 27.27 (2023), 27.38 (2023), 27.39 (2022), 27.40 (2022, 2023).
  • Fu Yuanhui also swam 27.15 (2017), 27.16 (2018), 27.18 (2015), 27.19 (2017), 27.21 (2017), 27.22 (2013), 27.36 (2017), 27.39 (2013), 27.40 (2013).
  • Kira Toussaint also swam 27.18 (2021), 27.22 (2021), 27.36 (2021), 27.37 (2020).
  • Etiene Medeiros also swam 27.18 (2017), 27.26 (2015), 27.36 (2019), 27.37 (2014), 27.38 (2015), 27.41 (2015).
  • Kylie Masse also swam 27.22 (2022), 27.23 (2024), 27.24 (2024), 27.26 (2022), 27.28 (2023), 27.31 (2022, 2022), 27.38 (2023), 27.41 (2023).
  • Georgia Davies also swam 27.23 (2018).
  • Analia Pigrée also swam 27.29 (2022), 27.40 (2022).
  • Zhao Jing also swam 27.29 (2013).
  • Kathleen Dawson also swam 27.29 (2021).
  • Lauren Cox also swam 27.29 (2023).
  • Anastasia Fesikova also swam 27.31 (2009, 2018), 27.37 (2018), 27.38 (2009).
  • Liu Xiang also swam 27.35 (2019), 27.36 (2020), 27.40 (2018).
  • Mollie O'Callaghan also swam 27.38 (2023), 27.42 (2023).
  • Gao Chang also swam 27.38 (2009).
  • Ingrid Wilm also swam 27.39 (2022), 27.41 (2023).
  • Daniela Samulski also swam 27.39 (2009).
  • Aliaksandra Herasimenia also swam 27.40 (2016).

Women short course

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  • Correct as of October 2024[81]
Pos Time Swimmer Date Venue Ref
1 25.25   Maggie Mac Neil (CAN) 16 December 2022 Melbourne [82]
2 25.36   Kaylee McKeown (AUS) 18 October 2024 Shanghai [83]
3 25.37   Gretchen Walsh (USA) 18 October 2024 Charlottesville [84]
4 25.49   Mollie O'Callaghan (AUS) 17 December 2022 Melbourne [85]
5 25.54   Claire Curzan (USA) 16 December 2022 Melbourne [86]
6 25.60   Kira Toussaint (NED) 14 November 2020 Budapest
18 December 2020 Amsterdam
  Maria Kameneva (RUS) 24 November 2022 Kazan [87]
8 25.62   Kylie Masse (CAN) 20 December 2021 Abu Dhabi [88]
9 25.67   Etiene Medeiros (BRA) 4 December 2014 Doha
10 25.70   Sanja Jovanović (CRO) 12 December 2009 Istanbul
  Regan Smith (USA) 18 October 2024 Shanghai [89]
12 25.74   Olivia Smoliga (USA) 16 October 2020 Budapest
13 25.81   Minna Atherton (AUS) 26 October 2019 Budapest
14 25.82   Zhao Jing (CHN) 10 November 2009 Stockholm
15 25.83   Emily Seebohm (AUS) 7 December 2014 Doha
  Louise Hansson (SWE) 19 December 2021 Abu Dhabi [90]
17 25.85   Julie Kepp Jensen (DEN) 15 December 2022 Melbourne [91]
18 25.88   Katharine Berkoff (USA) 17 December 2021 Abu Dhabi [92]
19 25.92   Gao Chang (CHN) 27 February 2010 Tokyo
20 25.95   Katinka Hosszú (HUN) 16 December 2017 Denmark
21 25.96   Analia Pigrée (FRA) 20 December 2021 Abu Dhabi [93]
22 25.97   Maaike de Waard (NED) 19 December 2021 Abu Dhabi [94]
23 25.98   Ali DeLoof (USA) 9 September 2021 Naples
  Marieke Guehrer (AUS) 10 November 2009 Stockholm
25 25.99   Caroline Pilhatsch (AUT) 15 December 2018 Hangzhou
  Holly Barratt (AUS) 26 October 2019 Budapest

Notes

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Below is a list of other times equal or superior to 25.99:

  • Maggie MacNeil also swam 25.27 (2021), 25.64 (2022), 25.84 (2021), 25.92 (2021), 25.98 (2021).
  • Kaylee McKeown also swam 25.40 (2024), 25.81 (2024).
  • Kira Toussaint also swam 25.62 (2020), 25.64 (2020), 25.73 (2020), 25.75 (2019, 2020), 25.79 (2020, 2021), 25.81 (2021), 25.82 (2023), 25.83 (2020), 25.84 (2019), 25.89 (2021), 25.91 (2021), 25.96 (2020), 25.99 (2021).
  • Claire Curzan also swam 25.60 (2022), 25.75 (2022).
  • Mollie O'Callaghan also swam 25.61 (2022), 25.69 (2022), 25.99 (2022).
  • Regan Smith also swam 25.71 (2024).
  • Olivia Smoliga also swam 25.75 (2020), 25.83 (2020), 25.85 (2020), 25.88 (2018), 25.89 (2019, 2020), 25.93 (2020), 25.97 (2018).
  • Kylie Masse also swam 25.81 (2022), 25.84 (2021, 2022), 25.92 (2021), 25.94 (2022), 25.96 (2021), 25.97 (2021, 2022).
  • Etiene Medeiros also swam 25.82 (2016), 25.95 (2018), 25.99 (2014).
  • Louise Hansson also swam 25.86 (2021, 2022), 25.91 (2021), 25.99 (2022).
  • Emily Seebohm also swam 25.87 (2014).
  • Zhao Jing also swam 25.95 (2012).
  • Minna Atherton also swam 25.95 (2021), 25.99 (2019).
  • Katinka Hosszú also swam 25.96 (2014), 25.99 (2016).
  • Maaike de Waard also swam 25.99 (2021).

References

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  1. ^ "Tancock Posts New World Record". British Swimming. 2 April 2008. Archived from the original on 2011-07-21. Retrieved 2008-10-15.
  2. ^ "WR: Bal Clocks 24.33 50m Back In Eindhoven". SwimNews.com. 5 December 2008. Retrieved 2008-12-05.
  3. ^ "Men's 50m Backstroke Final Results" (PDF). MicroPlus Timing. 4 August 2018. Retrieved 4 Aug 2018.
  4. ^ "Men's 50m Backstroke Semifinals Results" (PDF). microplustiming.com. 17 May 2021. Retrieved 17 May 2021.
  5. ^ "Video. Men's 50m Backstroke Semifinal". JoshSwimz. 17 May 2018. Archived from the original on 2021-12-21. Retrieved 17 May 2021.
  6. ^ USA Swimming (28 April 2022). "Phillips 66 International Team Trials: Mens 50m Backstroke Final Results". Omega Timing. Retrieved 28 April 2022.
  7. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2017-08-22. Retrieved 2018-04-01.{{cite web}}: CS1 maint: archived copy as title (link)
  8. ^ "Thomas Rupprath recorded 23.23 on December 1 2002 in Goslar Germany in medley relay, but time not ratified".
  9. ^ "Men's 50m Backstroke Finals" (PDF). www.omegatiming.com. 26 October 2008. Retrieved 17 October 2024.
  10. ^ "Peter Marshall breaks world 50m backstroke record" (PDF). 12 November 2008. Archived from the original (PDF) on 2008-12-03. Retrieved 2008-11-12.
  11. ^ "Randall Bal breaks world 50m backstroke record" (PDF). 15 November 2008. Archived from the original (PDF) on 2008-12-03. Retrieved 2008-11-15.
  12. ^ "Results Men's 50m Backstroke" (PDF). OmegaTiming.com. 17 October 2009. Archived from the original (PDF) on 2009-11-22. Retrieved 2009-10-17.
  13. ^ "Results Men's 50m Backstroke" (PDF). OmegaTiming.com. 11 November 2009. Archived from the original (PDF) on 2009-11-22. Retrieved 2009-11-12.
  14. ^ "Results Men's 50m Backstroke" (PDF). OmegaTiming.com. 11 November 2009. Archived from the original (PDF) on 2012-05-25. Retrieved 2009-11-12.
  15. ^ "Men's 50m Backstroke Results". Omega Timing. 6 December 2014. Retrieved 6 December 2014.
  16. ^ "Men's 50m Backstroke results" (PDF). Russia Swimming. 23 November 2022. Archived from the original (PDF) on 23 November 2022. Retrieved 26 November 2022.
  17. ^ "Edington breaks 50m backstroke world record". The Sydney Morning Herald. 23 March 2008. Retrieved 2008-03-24.
  18. ^ Craig Lord (9 April 2009). "WR: Zhao Equals Edington's 50m Back 27.67". SwimNews.com. Retrieved 2009-04-09.
  19. ^ "Samulski 'WR' Highlights Fast-Suits Farce". SwimNews.com. 26 June 2009. Retrieved 2009-06-26.
  20. ^ "Women's 50m Backstroke Final Results". asiangames2018.id. 21 August 2018. Archived from the original on 21 August 2018. Retrieved 21 August 2018.
  21. ^ "Video Women's 50m Backstroke Final". World Aquatics. 20 October 2023. Retrieved 20 October 2023.
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