Koji Shimizu

Koji Shimizu

JapanJapan
Born
Oct 17, 1969 (57 years old)
Events
Marathon · 30 Kilometres Road

Koji Shimizu is a Japan long-distance runner, born on October 17, 1969. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 13:57.81 in the 5000m, 28:45.42 in the 10000m, 1:02:39 in the Semi, 2:08:28 in the Marathon and 47:41 in the 10MilesRoa. He has earned 1 silver and 1 bronze medals in major international competitions. He is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:08:28
#904 all-time
2008 season best2:24:22Feb 17, 2008 · Tokyo
2008 season best
Personal best · 30 Kilometres Road1:31:23

As of Nov 14, 2026: Marathon 2:08:28 (#904 all-time), 30 Kilometres Road 1:31:23, 2008 season best 2:24:22 (Feb 17, 2008, Tokyo (JPN)) · 57 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
5000mKita-Kyushu 2002Japan 5000 m all-time list13:57.811,007 pts–
10000mMiyoshi 2003Japan 10 000 m all-time list28:45.421,063 pts–
SemiTokyo 1997Japan Half Marathon all-time list1:02:391,082 pts–
MarathonOtsu 2003Japan Marathon all-time list2:08:281,158 pts#904
10MilesRoaHimeji 200347:41–
30KilometrOhme 19931:31:23–

Progression

SeasonDisciplineResultWindDateCompetitions
2008Marathon 2:24:22–Feb 17, 2008Tokyo (JPN)
20065000m 14:12.20–May 27, 2006Nobeoka (JPN)
200610000m 29:45.39–May 19, 2006Naruto (JPN)
20055000m 14:10.61–May 21, 2005Nobeoka (JPN)
20045000m 14:10.09–May 22, 2004Nobeoka (JPN)
200410000m 29:01.74–Sep 26, 2004Niigata (JPN)
2004Marathon 2:17:57–Feb 8, 2004Tokyo International Marathon
20035000m 14:10.31–May 24, 2003Nobeoka (JPN)
FAQ

Frequently asked questions

Koji Shimizu's Marathon personal best is 2:08:28, set on Mar 2, 2003 in Otsu (JPN), #904 on the all-time list.

Koji Shimizu competes in the Marathon and 30 Kilometres Road.

2008 season best: 2:24:22, set on Feb 17, 2008 in Tokyo (JPN).