USA Swimming - 400 L Free Women - Record Progression

- International
- CCCAN
- ISL
- Country
- United States
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- Albania
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- Organization
- USA Swimming
- College
- High School
- Summer/Rec Swimming
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- Region
- AAU - Amateur Athletic Union
- YMCA
- EFSL
- Collegiate Club

400 L Free Women - Record Progression

Time	Date	Name	Team	Meet
3:57.94	May 17, 2018	Katie Ledecky	Alto Swim Club	TYR Pro Swim Series - Indianapolis
3:58.44	June 30, 2017	Katie Ledecky	Alto Swim Club	Phillips 66 Summer National Championships
3:58.86	Aug. 9, 2014	Katie Ledecky	Nations Capital Swim Club	Phillips 66 Summer National Championships
4:02.20	Feb. 15, 2008	Katie Hoff	North Baltimore Aquatic Club	Missouri Grand Prix
4:04.24	Aug. 2, 2007	Kate Ziegler	The FISH	ConocoPhillips USA Swimming Championships
4:05.33	Aug. 7, 2003	Malorie Grennan	Illinois Zone Team	Central Zone 14&U Mega Zone Meet