time | name | country | event date | event | event city | event country | qualify for 4:28.43 | Ye, Shiwen | CHN | 28/07/2012 | 2012 Olympic Games | London | GBR | OQT 4:31.27 | Beisel, Elizabeth | USA | 28/07/2012 | 2012 Olympic Games | London | GBR | OQT 4:32.20 | Zheng, Rongrong | CHN | 08/01/2012 | National Spring Championships2 2012 | Nanning | CHN | OQT 4:32.67 | Miley, Hannah | GBR | 03/03/2012 | British Gas Swimming Champs 2012 | London | GBR | OQT 4:32.83 | Hosszu, Katinka | HUN | 29/03/2012 | 2012 Indianapolis Grand Prix | Indianapolis | USA | OQT 4:32.91 | Li, Xuanxu | CHN | 28/07/2012 | 2012 Olympic Games | London | GBR | OQT 4:33.45 | Rice, Stephanie | AUS | 15/03/2012 | 2012 EnergyAustralia Swimming | Adelaide | AUS | OQT 4:33.91 | Belmonte Garcia, Mireia | ESP | 29/03/2012 | Spanish Open Spring Swimming Championships | Malaga | ESP | OQT 4:34.48 | Leverenz, Caitlin | USA | 25/06/2012 | USA Olympic Team Trials | Omaha | USA | OQT 4:35.68 | Jakabos, Zsuzsanna | HUN | 21/05/2012 | European Swimming Championships | Debrecen | HUN | OQT 4:36.21 | Evans, Blair | AUS | 27/01/2012 | South Australian State Open Championships | Adelaide | AUS | OQT 4:36.64 | Otsuka, Miyu | JPN | 02/04/2012 | 2012 Japan National Championships | Tokyo | JPN | OQT 4:37.48 | Willmott, Aimee | GBR | 03/03/2012 | British Gas Swimming Champs 2012 | London | GBR | OQT