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400-Meter Freestyle

1920 Ethelda Bleibtrey, United States 4:34.00 1
1924 Martha Norelius, United States 6:02.20  
1928 Martha Norelius, United States 5:42.80  
1932 Helene Madison, United States 5:28.50  
1936 Hendrika Mastenbroek, Netherlands 5:26.40  
1948 Ann Curtis, United States 5:17.80  
1952 Valerie Gyenge, Hungary 5:12.10  
1956 Lorraine Crapp, Australia 4:54.60  
1960 Chris von Saltza, United States 4:50.60  
1964 Ginny Duenkel, United States 4:43.30  
1968 Debbie Meyer, United States 4:31.80  
1972 Shane Gould, Australia 4:19.04  
1976 Petra Thumer, East Germany 4:09.89  
1980 Ines Diers, East Germany 4:08.76  
1984 Tiffany Cohen, United States 4:07.10  
1988 Janet Evans, United States 4:03.85  
1992 Dagmar Hase, Germany 4:07.18  
1996 Michelle Smith, Ireland 4:07.25  
2000 Brooke Bennett, United States 4:05.80  
2004 Laure Manaudou, France 4:05.34  
2008 Rebecca Adlington, Great Britain 4:03.22  
1. 300 meters.

200-Meter Freestyle Swimming–Women 800-Meter Freestyle