Kosa 10 mile

Kosa JPN

Race Winners (36 runnings)
04 Dec 2011 46:20 Martin Irungu Mathathi-6
05 Dec 2010 44:59 Martin Irungu Mathathi-5
06 Dec 2009 44:52 Martin Irungu Mathathi-4
07 Dec 2008 45:15 Gideon Ngatuni Lekumok (KEN)

09 Dec 2007

45:24

John Kariuki (KEN)

10 Dec 2006

45:01

Martin Irungu Mathathi-3

11 Dec 2005

45:10

Samuel Wanjiru Kamau (KEN)

12 Dec 2004

44:51

Martin Irungu Mathathi-2

14 Dec 2003

45:30

Martin Irungu Mathathi (KEN)

08 Dec 2002

45:20

Julius Maina Nderitu (KEN)

09 Dec 2001

45:29

Simon Maina Munyi (KEN)

10 Dec 2000

46:44

Solomon Wachira Kariuki (KEN)

12 Dec 1999

46:02

Tadayuki Ojima (JPN)

13 Dec 1998

46:22

Jeff Schiebler (CAN)

14 Dec 1997

45:55

Kenichi Takahashi (JPN)

08 Dec 1996

45:52

Shinji Kawashima (JPN)

10 Dec 1995

46:20

Nobuyuki Sato (JPN)

11 Dec 1994

46:50

Kenji Takao (JPN)

12 Dec 1993

46:17

Stephen Mayaka (KEN)

13 Dec 1992

46:34

Nozomi Saho (JPN)

08 Dec 1991

46:35

Shuichi Yoneshige (JPN)

09 Dec 1990

46:24

Thomas Osano (JPN)

10 Dec 1989

46:34

Koichi Morishita (JPN)

11 Dec 1988

46:51

Naoki Maeda (JPN)

13 Dec 1987

47:27

Tadayoshi Kametaka (JPN)

14 Dec 1986

48:11

Yoshikazu Yamabe (JPN)

08 Dec 1985

48:21

Shigeru Kubota-2

1984

---

n/a

11 Dec 1983

48:55

Shigeru Kubota (JPN)
Notes: 1976 is believed to have been the inaugural year. For 2005 to date, the international runners have been given a headstart of roughly one minute, essentially making this two races. The "winner" listed is the one with the fastest time which is generally from the international race.


Most Wins (1983/date)

Men

6

 Martin Irungu Mathathi (KEN) 2003-04,2006,2009-11


Prize Money
Prize money cannot be awarded in Japanese road races due to legal restrictions.

Race Time Bias (sec/km)

Year     Men
2011    -3.0
2010    -1.0
2009    -2.5
2008    -4.2
2007    -3.1
2006    -2.8
2005    -3.3
2004    -2.9
2003    -2.5
2002    -3.0
2001    -4.6
2000    -1.7
1999    -4.9
1998    -2.9
1997    -4.1
1996    -5.0
1995    -4.3
1994    -3.6
1993    -2.3
1992    -2.9
1991    -2.6
1990    -3.6
Avg     -3.1

Note: The race time bias is for "domestic" race.

Competitive Level (1990-date)

Year     Men
2011     601
2010     398
2009     683
2008     471
2007     637
2006     653
2005     463
2004     735
2003     623
2002     671
2001     716
2000     513
1999     510
1998     507
1997     492

Note: The competitive level for 2005 reflects the "domestic" race which was started one minute following the "international" race.

Quality Performances

Men
<45:00       3
<45:20       6
<45:40      11
<46:00      22
<46:20      41
<46:40      86
<47:00     162
<47:20     278
<47:40     428
<48:00     598
<48:20     772
<48:40     864
<49:00     965
<49:20    1037
<49:40    1118

Last Updated on 05 Dec 2011

Contributors: Shigenobu Ota (50), Brett Larner (16 points)