Women's 100 Backstroke World Record Progression (SCM) | swimwiki

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Records Results

Swim sets by focus and distance.

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Swim Time Converter

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Regan Smith18 Oct 2025WR54.0218 Oct 2025

2025 World Aquatics Swimming World Cup

Westmont, United States of America

Swim Result Official Source

Equal to the previous mark · Held 1 year, 9 days

Record History

18 Oct 2025

Regan SmithWR54.0218 Oct 2025

15 Dec 2024

Regan SmithWR54.0215 Dec 2024

1 Nov 2024

Regan Smith54.271 Nov 2024

25 Oct 2024

Regan Smith54.4125 Oct 2024

26 Sep 2024

Kaylee McKeown54.5626 Sep 2024

27 Oct 2019

Minna Atherton54.8927 Oct 2019

4 Dec 2014

Katinka Hosszú55.034 Dec 2014

15 Nov 2009

Shiho Sakai55.2315 Nov 2009

22 Feb 2009

Shiho Sakai56.1522 Feb 2009

28 Oct 2007

Natalie Coughlin56.5128 Oct 2007

23 Nov 2002

Natalie Coughlin56.7123 Nov 2002

29 Nov 2001

Natalie Coughlin57.0829 Nov 2001

4 Mar 2001

Reiko Nakamura58.454 Mar 2001

3 Dec 1993

Angel Martino58.503 Dec 1993

21 Nov 1993

Angel Martino59.4121 Nov 1993

Earlier marks may be missing. Select a mark to view its race details.