Ranking of World's Women's Marathon runners all time as of 12 Mar 2012

Ranking of World's fastest women's marathon runners in history as of 12 March 2012:

1) 2:15:25 (WR) - Paula Radcliffe (GBR) - London 2003 Apr 13
2) 2:18:20 - Liliya Shobukhova (RUS) - Chicago 2011 Oct 9
3) 2:18:47 - Catherine N'dereba (KEN) - Chicago 2001 Oct 7
4) 2:19:12 - Mizuki Noguchi (JPN) - Berlin 2005 Sept 25
5) 2:19:19 - Irina Mikitenko (GER) - Berlin 2008 Sept 28
5) 2:19:19 - Mary Keitany (KEN) - London 2011 Apr 17
7) 2:19:31 - Asselefech Mergia (ETH) - Dubai 2012 Jan 27
8) 2:19:34 - Lucy Wangui (KEN) - Dubai 2012 Jan 27
9) 2:19:36 - Deena Kastor (USA) - London 2006 Apr 23
10) 2:19:39 - Sun Ying Jie 孙英杰 (CHN) - Beijing 2003 Oct 19
11) 2:19:41 - Yoko Shibui (JPN) - Berlin 2004 Sept 26
12) 2:19:44 - Florence Kiplagat (KEN) - Berlin 2011 Sept 25