Best win/loss records?

Men:

Abebe Bikila Marathon Career: 16 races – 12 wins, one second, one fifth, 2 DNF Winning Percentage: 75% Time Race Place Date DNF OG – Mexico City DNF 20 Oct 196 8 2:25:04 Addis Ababa 1st Sept 1968 DNF Zarauz DNF 30 July 1967 2:17:04 1st 30 Oct 1966 2:20:28.8 Zarauz 1st 30 July 1966 2:22:58.8 Otsu 1st 9 May 1965 Personal Best 2:12:11.2 OG – 1st 21 Oct 1964 2:16:18.8 Addis Ababa 1st 3 Aug 1964 2:23:14.4 Addis Ababa 1st 31 May 1964 2:24:43 5th 19 Apr 1963 2:20:12 Kosice 1st 8 Oct 1961 2:29:27 Osaka 1st 25 June 1961 2:23:44.6 Athinai 1st 7 May 1961 2:15:16.2 OG –Roma 1st 10 Sept 1960 2:21:23 Addis Ababa 1st ? Aug 1960 2:39:50 Addis Ababa 2nd ? July 1960

Jim Peters Marathon Career: 11 races – 8 wins, 1 second, 2 DNF Winning percentage: 72.7% Time Race Place Date DNF CWG – Vancouver DNF 7 Aug 1954 Personal Best 2:17:39.4 Chiswick 1st 26 June 1954 2:22:40 Boston 2nd 19 Apr 1954 2:18:34.8 Turku 1st 4 Oct 1953 2:19:22 Enschede 1st 12 Sept 1953 2:22:29 Cardiff 1st 25 July 1953 2:18:40.2 Chiswick 1st 13 June 1953 DNF OG – Helsinki DNF 27 July 1952 2:20:42.2 Chiswick 1st 14 June 1952 2:31:42 AAA - Perry Barr 1st 21 July 1951 2:29:24 Ch iswick 1st 16 June 1951

Samuel Wanjiru Marathon career: 7 races – 5 wins, one second and one DNF Winning percentage: 71% Time Race Place Date 2:06:24 1st 10 Oct 2010 DNF DNF 25 Apr 2010 2:05:41 Chicago 1 11 Oct 2009 Personal B est 2:05:10 London 1 26 Apr 2009 2:06:32 OG – 1 24 Aug 2008 2:05:24 London 2 13 Apr 2008 Debut 2:06:39 1 2 Dec 2007

Haile Gebrselassie Marathon career: 13 races – 9 wins, 1 third, 1 ninth, 2 DNF; Winning percentage: 69% Time Ra ce Place Date DNF New York DNF 7 Nov 2010 2:06:09 Dubai 1st 22 Jan 2010 2:06:08 Berlin 1st 20 Sept 2009 2:05:29 Dubai 1st 16 Jan 2009 Personal best 2:03:59 Berlin 1st 28 Sept 2008 2:04:53 Dubai 1st 18 Jan 2008 2:04:26 Berlin 1st 30 Sept 2007 DNF London DNF 22 Apr 2007 2:06:52 Fukuoka 1st 3 Dec 2006 2:05:56 Berlin 1st 24 Sept 2006 2:09:05 London 9th 23 Apr 2006 2:06:20 Amsterdam 1st 16 Oct 2005 2:06:35 London 3rd 14 Apr 2002

Toshihiko Seko Marathon career: 15 races – 10 wins, one second, one fifth, one ninth, one tenth and one 14 th Winning Percentage: 66.7% Time Race Place Date 2:13:41 OG - Seoul 9th 2 Oct 1988 2:12:41 Lake Biwa 1st 13 Mar 1988 2:11:50 Boston 1st 20 Apr 1987 Personal Best 2:08:27 Chicago 1st 26 Oct 1986 2:10:02 London 1st 20 Apr 1986 2:14:13 OG - 14 th 12 Aug 1984 2:08:52 Fukuoka 1st 4 Dec 1983 2:08:38 Tokyo 1st 13 Feb 1983 2:09:26 Boston 1st 20 Apr 1981 2:09:45 Fukuoka 1st 7 Dec 1980 2:10:35 Fukuoka 1st 2 Dec 1 979 2:10:12 Boston 2nd 16 Apr 1979 2:10:21 Fukuoka 1st 3 Dec 1978 2:15:01 Fukuoka 5th 4 Dec 1977 2:26:00 Kyoto 10 th 13 Feb 1977

Steve Jones Marathon career: 8 races – 5 wins, one fourth, one 13 th and one 20 th Winning percentage: 62.5% Ti me Race Place Date 2:20:04 WC – Stuttgart 13 th 14 Aug 1993 2:10:06 Toronto 1st 4 Oct 1992 2:12:44 CWG – Auckland 4th 30 Jan 1990 2:08:20 New York 1st 5 Nov 1988 2:22:12 EC –Stuttgart 20 th 30 Aug 1986 Personal Best 2:07:13 Chicago 1st 20 Oct 1 985 2:08:16 London 1st 21 Apr 1985 2:08:05 Chicago 1st 21 Oct 1984

Women: Rosa Mota Marathon Career: 17 races – 14 wins, two third place, one 4 th place Winning percentage: 82% Time Race Place Date 2:26:14 London 1st 21 Apr 1991 2:31:27 EC – Split 1st 27 Aug 1990 2:25:24 Boston 1st 16 Apr 1990 2:27:47 Osaka Ladies 1st 28 Jan 1990 2:25:40 OG – Seoul 1st 23 Sept 1988 2:24:30 Boston 1st 18 Apr 1988 2:25:17 WC – Roma 1st 29 Aug 1987 2:25:21 Boson 1st 20 Apr 1987 2:27:15 Tokyo Women 1st 16 Nov 1986 2:28:38 Euro Champ – Stuttgart 1st 26 Aug 1986 Personal Best 2:23:29 Chicago 3rd 20 Oct 1985 2:26:01 Chicago 1st 21 Oct 1984 2:26:57 OG – Los Angeles 3rd 5 Aug 1984 2:31:12 Chicago 1st 16 Oct 1983 2:31:50 WC – Helsinki 4th 7 Aug 1983 2:32:27 1st 9 Apr 1983 2:36:04 Euro Champ –Athinai 1st 12 Sept 1982