Yearly Ranking Leaders- 15 Kilometers

Men (quality performances)

2016    41:41  ^  Bitan Karoki Muchiri (KEN)     26 Mar  Cardiff WAL
        41:41  ^  Geoffrey Kipsang Kamworor(KEN) 26 Mar  Cardiff WAL 
2015    42:38.8   Joshua Cheptegi Kiprui (UGA)   15 Nov  Nijmegen NED 
2014    42:17.6   Abera Kuma Lema (ETH)          16 Nov  Nijmegen NED 
2013    42:14.3   Leonard Patrick Komon-2        17 Nov  Nijmegen NED
2012    42:00.8   Nicholas Kipkemboi Kerich(KEN) 18 Nov  Nijmegen NED
2011    42:33.4   Philip Langat (KEN)            04 Dec  's Heerenberg NED
2010    41:12.5   Leonard Patrick Komon (KEN)    21 Nov  Nijmegen NED
2009    42:13.6   Sileshi Sihene-3               15 Nov  Nijmegen NED
2008    42:17.0   Ayele Abshiro (ETH)            16 Nov  Nijmegen NED
2007    42:34.8   Sileshi Sihene-2               18 Nov  Nijmegen NED
2006    42:42.0   Micah Kogo (KEN)               19 Nov  Nijmegen NED
2005    41:57.0   Haile Gebreselasie (ETH)       20 Nov  Nijmegen NED
2004    41:37.5   Sileshi Sihene (ETH)           21 Nov  Nijmegen NED
2003    42:42.5   Richard Yatich (KEN)           16 Nov  Nijmegen NED
2002    42:47.6   Mebrahtom Keflezighi (USA)     09 Mar  Jacksonville FL USA
2001    41:28.8   Felix Limo-2                   11 Nov  Nijmegen NED
2000    42:53     Felix Limo (KEN)               19 Nov  Nijmegen NED

1999    43:00     John Korir (KEN)               11 Jul  Utica NY/USA
1998    42:24     Worku Bikila-2                 24 May  Nijmegen NED
1997    42:20     Worku Bikila (ETH)             16 Nov  Nijmegen NED
1996    42:40     Joseph Kimani (KEN)            14 Jul  Utica NY USA
1995    42:22     Todd Williams (USA)            11 Mar  Jacksonville FL USA
1994    42:12     Paul Tergat (KEN)              29  May  La Courneuve FRA
1993    42:41     Valdenor dosSantos (BRA)       27 Feb  Tampa FL USA
1992    42:42     Sammy Lelei (KEN)              28 Jun  Portland OR USA
1991    42:58     Meshack Mogotsi (RSA)          02 Nov  Cape Town RSA
1990    42:42     Dionicio Ceron (MEX)           17 Jun  Portland OR USA
1989    42:38     Alejandro Cruz (MEX)           18 Jun  Portland OR USA
1988    42:37     Marcos Barreto (MEX)           13 Feb  Tampa FL USA
1987    42:59     Rolando Vera (ECU)             28 Jun  Portland OR USA
1986    42:36     Arturo Barrios (MEX)           29 Jun  Portland OR USA
1985    42:48     Michael Musyoki-3              30 Jun  Portland OR USA
1984    42:55     Mike McLeod (ENG)              11 Feb  Tampa FL USA
        42:55     Gidamis Shahanga (TAN)         17 Mar  Jacksonville FL USA
1983    42:27.6   Michael Musyoki-2              26 Jun  Portland OR USA
1982    43:09     Michael Musyoki (KEN)          06 Feb  Tampa FL USA
1981    43:12     Ric Rojas-2                    07 Feb  Tampa FL USA
1980    43:49     Herb Lindsay (USA)             29 Jun  Portland OR USA

1979    44:12     Ralph King (USA)               11 Feb  Tampa FL USA
1978    43:41     Ric Rojas (USA)                16 Sep  Minneapolis MN USA
1977    44:18     Manfred Kuschmann (GER)        17 Apr  Sachsenhausen GER
1976    44:59     Jim Nuccio (USA)               27 Mar  Los Altos Hills CA USA
1975    45:20     Gary Tuttle (USA)              04 Jul  Santa Barbara CA USA
1974    43:45.2   Jürgen Haase (GER)             21 Apr  Sachsenhausen GER
1973    48:24     Chuck Smead-2                  04 Aug  Littleton CO USA
1972    46:02     Jeff Julian (NZL)              14 Oct  Nelson NZL
1971    45:47     Barry Brown (USA)              04 Apr  Scarsdale NY USA
1970    45:39     Richard Taylor (NZL)           10 Oct  Dunedin NZL
1969    48:24     Chuck Smead (USA)              04 Jul  Santa Barbara CA USA
1968    47:38.4   Louis Castagnola (USA)         01 Sep  Greenbelt MD USA
1967    46:15     Robert Scharf (USA)            03 Sep  Greenbelt MD USA
1966    47:51.5   Robert Fahy (CAN)              18 Sep  Buffalo NY USA
1965    45:45     Ralph Buschmann (USA)          12 Oct  Manchester NH USA
1964    47:15     Jim Keefe (USA)                19 Jul  Yonkers NY USA
1963    46:06     Merle McGee (USA)              04 Jul  Santa Barbara CA USA
1962    47:41.5   David Ellis (CAN)              11 Nov  Buffalo NY USA
1961    47:06     George Young (USA)             18 Mar  Williamsburg VA USA
1960    48:50     Victor Zwolak (USA)            30 Oct  Atlantic City NJ USA

1959    45:12     Alex Breckenridge (USA)        25 Oct  Atlantic City NJ USA
1958    46:04.9   Peter McArdle (USA)            01 Sep  Santa Monica CA USA

Women (quality performances)

2016    48:14  ^  Peres Chepchirchir (KEN)      26 Mar  Cardiff WAL
        48:14  ^  Cynthia Cherotich Limo (KEN)  26 Mar  Cardiff WAL 
        48:14  ^  Netsanet Gudeta Kebede (ETH)  26 Mar  Cardiff WAL 
        48:14  ^  Genet Ayalew Kassahun (ETH)   26 Mar  Cardiff WAL 
2015    48:49     Mary Wacera Ngugi (KEN)       12 Jul  Utica NY USA
2014    46:58.5   Priscilla Cheptoo (KEN)       16 Nov  Nijmegen NED     
2013    48:42.9   Tirunesh Dibaba-3             17 Nov  Nijmegen NED
2012    47:07.8   Tirunesh Dibaba-2             18 Nov  Nijmegen NED
2011    48:32.6   Mekasha Waganesh (ETH)        20 Nov  Nijmegen NED
2010    46:56.9   Genet Geteneh (ETH)           21 Nov  Nijmegen NED
2009    46:27.7   Tirunesh Dibaba (ETH)         15 Nov  Nijmegen NED
2008    46:56.9   Mestawat Tufa-2               16 Nov  Nijmegen NED
2007    47:19.5   Deena Kastor-3                10 Mar  Jacksonville FL USA
2006    47:21.9   Mestawat Tufa (ETH)           19 Nov  Nijmegen NED
2005    47:47.9   Birhane Adere (ETH)           20 Nov  Nijmegen NED
2004    47:01.9   Lydia Cheromei (KEN)          21 Nov  Nijmegen NED
2003    47:14.2   Deena Kastor-2                08 Mar  Jacksonville FL USA
2002    48:12.0   Deena Kastor (USA)            09 Mar  Jacksonville FL USA
2001    48:06     Catherine Ndereba-2           08 Jul  Utica NY USA
2000    48:06     Birhane Adere (ETH)           19 Nov  Nijmegen NED

1999    48:52     Catherine Ndereba (KEN)       11 Jul  Utica NY USA
1998    48:31     Lyumila Petrova (RUS)         08 Aug  Moscow RUS
1997    48:30     Catherina McKiernan (IRL)     16 Nov  Nijmegen NED
1996    48:30     Tegla Loroupe (KEN)           24 Feb  Tampa FL USA
1995    48:28     Lieve Slegers (BEL)           28 Oct  Tulsa OK USA
1994    48:11     Elana Meyer-4                 26 Feb  Tampa FL USA
1993    49:03     Carmen deOliveira (BRA)       27 Feb  Tampa FL USA
        49:03     Lisa Ondieki (AUS)            27 Feb  Tampa FL USA
1992    48:57     Elana Meyer-3                 23 May  Durban RSA
1991    46:57     Elana Meyer-2                 02 Nov  Cape Town RSA
1990    48:17     Elana Meyer (RSA)             03 Nov  Bellville RSA
1989    48:14     Ingrid Kristiansen-3          11 Feb  Tampa FL USA
1988    47:43     Liz McColgan (SCO)            13 Feb  Tampa FL USA
1987    47:17     Ingrid Kristiansen-2          21 Nov  Monaco MON
1986    48:01     Ingrid Kristiansen (NOR)      08 Feb  Tampa FL USA
1985    48:10     Grete Waitz-6                 09 Feb  Tampa FL USA
1984    47:52     Grete Waitz-5                 11 Feb  Tampa FL USA
1983    48:18     Wendy Sly (ENG)               05 Feb  Tampa FL USA
1982    48:26     Grete Waitz-4                 06 Feb  Tampa FL USA
1981    48:12     Grete Waitz-3                 07 Feb  Tampa FL USA
1980    48:01     Grete Waitz-2                 09 Feb  Tampa FL USA

1979    51:27.5   Joan Samuelson (USA)          24 Jun  Portland OR USA
1978    51:37     Marty Cooksey (USA)           25 Jun  Lidingo SWE
1977    56:21     Claire Spauwen (NED)          03 Apr  Geleen NED
1976    
1975    56:04     Jacqueline Hansen-3           04 Jul  Santa Barbara CA USA
1974  1:00:38     Jacqueline Hansen-2           04 Jul  Santa Barbara CA USA
1973  1:01:15     Jacqueline Hansen (USA)       04 Jul  Santa Barbara CA USA
1972    59:40     Nina Kuscsik (USA)            09 Apr  Scarsdale NY USA

Last Updated on 02 Sep 2016