WORLD LONG COURSE

- Men's 200 freestyle:
1:44.69 Ian Thorpe, AUS, Hobart, Mar 25, 2001
Betters own record of 1:45.51 May 2000.

- Men's 800 freestyle:
7:41.59 Ian Thorpe, AUS, Hobart, Mar 27, 2001
Betters old record of 7:46.00 Kieren perkins, AUS, 1994

- Men's 50 breaststroke:
27.49 Anthony Robinson, USA, Austin, Mar 29, 2001
27.39 Ed Moses, USA, Austin, Mar 31, 2001
Betters old world best of 27.61 Alexander Dzhaburiya, UKR, 1996.

- Men's 100 breaststroke:
1:00.29 Ed Moses, USA, Austin, Mar 28, 2001
Betters old record of 1:00.36 Roman Sloudnov, RUS, 2000.

- Men's 200 butterfly:
1:54.92 Michael Phelps, USA, Austin, Mar 29, 2001.
Betters old record of 1:55.19 Tom Malchow, USA, 2000.

- Women's 200 breaststroke:
2:22.99 Hui Qi, CHN, Hangzhou, Apr 13, 2001
(33.37, 1:10.00, 1:46.64, 2:22.99)
Betters old record of 2:23.64 Penelope Heyns, RSA, 1999.