- Source: World record progression 100 metres backstroke
- World record progression 100 metres backstroke
- World record progression 200 metres backstroke
- World record progression 50 metres backstroke
- World record progression 100 metres freestyle
- World record progression 100 metres butterfly
- World record progression 100 metres individual medley
- World record progression 100 metres breaststroke
- World record progression 4 × 100 metres medley relay
- World record progression 50 metres freestyle
- Krisztina Egerszegi
This is a history of the 100 m backstroke world record as swum in both long-course (50 m; Olympic) pools and short-course (25 m) pools—the two categories recognized/tracked by FINA.
Men
= Long course
== Short course
=Women
= Long course
== Short course
=All-time top 25
= Men long course
=Correct as of November 2024
Notes
Below is a list of other times equal or superior to 52.70:
Thomas Ceccon also swam 51.93 (2022), 52.00 (2024), 52.12 (2022), 52.16 (2023), 52.21 (2022), 52.27 (2023, 2023), 52.30 (2021), 52.43 (2024), 52.49 (2021), 52.52 (2021), 52.58 (2023, 2024).
Ryan Murphy also swam 51.94 (2018), 51.97 (2016, 2022), 52.04 (2023), 52.19 (2018, 2021), 52.22 (2021, 2023, 2024), 52.24 (2021), 52.26 (2016), 52.28 (2016), 52.31 (2021), 52.33 (2021), 52.39 (2023, 2024), 52.44 (2019, 2024), 52.46 (2022), 52.49 (2016), 52.51 (2018, 2022), 52.56 (2023), 52.57 (2016), 52.59 (2017), 52.65 (2024), 52.69 (2017), 52.70 (2018).
Kliment Kolesnikov also swam 52.00 (2021), 52.13 (2021), 52.15 (2021), 52.24 (2021), 52.29 (2021), 52.32 (2021), 52.42 (2021), 52.44 (2021), 52.53 (2018), 52.54 (2023), 52.63 (2021).
Xu Jiayu also swam 52.02 (2024), 52.05 (2023), 52.17 (2019), 52.23 (2023), 52.26 (2023), 52.27 (2019), 52.31 (2016), 52.32 (2024), 52.34 (2014, 2018), 52.37 (2020, 2024), 52.42 (2023), 52.43 (2019), 52.44 (2017, 2017), 52.47 (2023), 52.51 (2021), 52.60 (2017, 2018, 2020), 52.64 (2023), 52.70 (2021).
Evgeny Rylov also swam 52.12 (2021), 52.44 (2019), 52.57 (2019), 52.66 (2018), 52.67 (2018, 2019).
Matt Grevers also swam 52.16 (2012), 52.26 (2017), 52.48 (2017), 52.54 (2015), 52.55 (2015), 52.58 (2012), 52.64 (2016), 52.66 (2012, 2015).
Aaron Peirsol also swam 52.19 (2009), 52.54 (2008).
Hunter Armstrong also swam 52.20 (2022), 52.33 (2023), 52.37 (2022), 52.45 (2023), 52.48 (2021), 52.58 (2023), 52.59 (2023), 52.67 (2021), 52.68 (2023, 2024).
Apostolos Christou also swam 52.23 (2024), 52.24 (2022), 52.41 (2024), 52.57 (2022).
Mitch Larkin also swam 52.26 (2015), 52.37 (2015), 52.38 (2015, 2019), 52.40 (2015), 52.41 (2015), 52.43 (2016), 52.48 (2015, 2016), 52.50 (2015), 52.54 (2016), 52.70 (2016).
David Plummer also swam 52.28 (2016), 52.40 (2016, 2016), 52.50 (2016), 52.51 (2015), 52.70 (2016).
Ryosuke Irie also swam 52.34 (2014), 52.45 (2014), 52.50 (2009, 2009), 52.53 (2018, 2018), 52.56 (2009), 52.57 (2014), 52.59 (2020), 52.60 (2009), 52.61 (2018), 52.62 (2009), 52.69 (2014).
Miron Lifincev also swam 52.34 (2024), 52.62 (2024).
Junya Koga also swam 52.39 (2009).
Camille Lacourt also swam 52.44 (2011), 52.46 (2010), 52.48 (2015), 52.58 (2010), 52.70 (2015, 2016).
Helge Meeuw also swam 52.46 (2009), 52.49 (2009), 52.54 (2009).
Yohann Ndoye Brouard also swam 52.60 (2024), 52.63 (2024).
Pieter Coetze also swam 52.63 (2024).
Aschwin Wildeboer also swam 52.64 (2009), 52.70 (2009).
= Men short course
=Correct as of December 2024
Notes
Below is a list of other times equal or superior to 49.46:
Kliment Kolesnikov also swam 48.82 (2020), 48.90 (2017), 49.12 (2023), 49.13 (2021), 49.22 (2023), 49.46 (2021).
Shaine Casas also swam 48.92 (2024), 49.23 (2021), 49.40 (2022).
Hubert Kos also swam 49.03 (2024), 49.12 (2024)
Evgeny Rylov also swam 48.94 (2021), 48.98 (2021).
Coleman Stewart also swam 49.13 (2021).
Kacper Stokowski also swam 49.16 (2024), 49.20 (2024), 49.22 (2024), 49.33 (2022), 49.34 (2024).
Ryan Murphy also swam 49.23 (2018), 49.29 (2020), 49.36 (2020).
Pavel Samusenko also swam 49.23 (2023).
Guilherme Guido also swam 49.29 (2021), 49.39 (2021), 49.40 (2020), 49.45 (2021).
Miron Lifintsev also swam 49.07 (2024), 49.31 (2024), 49.37 (2023), 49.44 (2024).
Lorenzo Mora also swam 49.37 (2022).
Mark Nikolaev also swam 49.40 (2021), 49.43 (2021).
= Women long course
=Correct as of July 2024
Notes
Below is a list of other times equal or superior to 58.75:
Regan Smith also swam 57.28 (2024), 57.47 (2024), 57.51 (2024), 57.57 (2019), 57.64 (2021, 2024), 57.65 (2022), 57.66 (2024), 57.68 (2023), 57.71 (2023), 57.74 (2024), 57.76 (2022), 57.78 (2023), 57.83 (2023), 57.86 (2021), 57.90 (2023), 57.92 (2021, 2023), 57.93 (2024), 57.95 (2022), 57.96 (2021), 57.97 (2024), 58.04 (2023), 58.05 (2021, 2021), 58.16 (2023), 58.18 (2020), 58.22 (2022), 58.26 (2020), 58.29 (2022), 58.31 (2022), 58.33 (2023), 58.35 (2021, 2021), 58.40 (2022), 58.45 (2019, 2024), 58.47 (2023, 2023), 58.54 (2023), 58.55 (2019), 58.63 (2023), 58.65 (2022), 58.68 (2019), 58.69 (2021), 58.75 (2024).
Kaylee McKeown also swam 57.41 (2024), 57.45 (2021), 57.47 (2021), 57.50 (2023), 57.53 (2023), 57.57 (2024), 57.63 (2021, 2023), 57.72 (2024), 57.79 (2023), 57.84 (2023), 57.88 (2021), 57.90 (2023), 57.91 (2023), 57.93 (2020, 2023), 57.95 (2023), 57.99 (2024), 58.01 (2021), 58.11 (2020, 2021), 58.14 (2021), 58.19 (2024), 58.31 (2022), 58.33 (2023), 58.35 (2022), 58.42 (2021), 58.48 (2023, 2024), 58.49 (2022), 58.52 (2020), 58.57 (2021), 58.60 (2021, 2022), 58.66 (2022), 58.69 (2021), 58.73 (2022).
Kylie Masse also swam 57.72 (2021), 57.90 (2021), 57.94 (2024), 58.09 (2021), 58.10 (2017), 58.13 (2021), 58.16 (2019), 58.17 (2021), 58.18 (2017), 58.19 (2019), 58.21 (2017), 58.27 (2024), 58.29 (2018, 2024, 2024), 58.31 (2017), 58.39 (2022), 58.40 (2022), 58.41 (2022), 58.42 (2017), 58.48 (2021, 2022), 58.50 (2019), 58.54 (2018), 58.57 (2022, 2022), 58.60 (2019), 58.61 (2018), 58.62 (2017), 58.63 (2018, 2018), 58.66 (2016, 2018), 58.70 (2018), 58.73 (2022), 58.74 (2023).
Katharine Berkoff also swam 57.91 (2024), 57.98 (2024), 57.99 (2024), 58.01 (2023), 58.09 (2024), 58.25 (2023), 58.27 (2024), 58.39 (2023), 58.56 (2023), 58.60 (2023), 58.61 (2022, 2023), 58.62 (2021).
Mollie O'Callaghan also swam 58.09 (2024), 58.42 (2023, 2023), 58.73 (2024).
Kathleen Dawson also swam 58.24 (2021), 58.44 (2021), 58.49 (2021), 58.56 (2021), 58.65 (2021), 58.69 (2021), 58.70 (2021).
Emily Seebohm also swam 58.26 (2015), 58.34 (2015), 58.37 (2015), 58.39 (2012), 58.45 (2021), 58.51 (2015), 58.53 (2017), 58.56 (2015), 58.57 (2012), 58.59 (2015, 2017, 2021, 2021), 58.62 (2017), 58.66 (2018), 58.68 (2012), 58.70 (2015), 58.72 (2015, 2018), 58.73 (2016).
Claire Curzan also swam 58.35 (2023), 58.39 (2022), 58.59 (2023), 58.67 (2022), 58.73 (2022, 2024).
Missy Franklin also swam 58.39 (2013), 58.42 (2013), 58.50 (2012), 58.67 (2013).
Kathleen Baker also swam 58.41 (2018), 58.54 (2017), 58.56 (2020), 58.57 (2017), 58.58 (2017), 58.75 (2016).
Rhyan White also swam 58.46 (2021), 58.59 (2022), 58.60 (2021).
Anastasia Fesikova also swam 58.48 (2009).
Olivia Smoliga also swam 58.50 (2021), 58.72 (2021), 58.73 (2019), 58.75 (2018).
Iona Anderson also swam 58.53 (2024), 58.63 (2024), 58.67 (2024).
Kira Toussaint also swam 58.73 (2021), 58.74 (2021).
Gemma Spofforth also swam 58.74 (2009).
Mie Nielsen also swam 58.75 (2016).
= Women short course
=Correct as of December 2024
Notes
Below is a list of other times equal or superior to 55.89:
Regan Smith also swam 54.27 (2024), 54.41 (2024), 54.55 (2024), 54.89 (2024), 55.05 (2024), 55.86 (2024).
Minna Atherton also swam 55.09 (2019), 55.12 (2019), 55.29 (2019), 55.35 (2019), 55.43 (2019), 55.45 (2019), 55.55 (2019).
Kira Toussaint also swam 55.26 (2019), 55.42 (2021), 55.53 (2021), 55.58 (2019), 55.68 (2020), 55.71 (2019), 55.72 (2021), 55.74 (2019), 55.76 (2021), 55.79 (2021), 55.88 (2023).
Katharine Berkoff also swam 55.34 (2024), 55.37 (2024), 55.40 (2021).
Katinka Hosszú also swam 55.34 (2014), 55.38 (2014), 55.42 (2015), 55.52 (2017), 55.54 (2016), 55.56 (2014), 55.59 (2016), 55.60 (2016), 55.65 (2017), 55.66 (2017), 55.70 (2014), 55.71 (2015), 55.77 (2014), 55.80 (2016).
Emily Seebohm also swam 55.46 (2015), 55.47 (2014), 55.81 (2018).
Olivia Smoliga also swam 55.47 (2018), 55.60 (2020), 55.62 (2020), 55.66 (2020), 55.86 (2018).
Kaylee McKeown also swam 55.49 (2022), 55.68 (2020), 55.74 (2022), 55.81 (2022).
Ingrid Wilm also swam 55.68 (2021), 55.74 (2022), 55.75 (2024), 55.85 (2024).
Gao Chang also swam 55.72 (2009).
Beata Nelson also swam 55.74 (2022).
Kylie Masse also swam 55.76 (2021), 55.83 (2021).
Mollie O'Callaghan also swam 55.80 (2022), 55.81 (2022).
Louise Hansson also swam 55.85 (2021), 55.89 (2022).