Year
Competition
Venue
Position
Event
Notes
Representing Japan
1978
Beppu-Ōita Marathon
Beppu /Ōita , Japan
5th
Marathon
2:15:02
Fukuoka Marathon
Fukuoka , Japan
2nd
Marathon
2:11:05
1979
Beppu-Ōita Marathon
Beppu /Ōita , Japan
1st
Marathon
2:13:29
Asian Championships
Tokyo , Japan
1st
5000 m
13:55.3
1980
Fukuoka Marathon
Fukuoka , Japan
15th
Marathon
2:14:37
1981
Tokyo Marathon
Tokyo , Japan
1st
Marathon
2:12:04
Fukuoka Marathon
Fukuoka , Japan
14th
Marathon
2:14:32
1982
Tokyo Marathon
Tokyo , Japan
8th
Marathon
2:13:24
Fukuoka Marathon
Fukuoka , Japan
2nd
Marathon
2:11:09
1983
World Championships
Helsinki , Finland
42nd
Marathon
2:21:37
Fukuoka Marathon
Fukuoka , Japan
7th
Marathon
2:10:30
1984
Beijing Marathon
Beijing , China
1st
Marathon
2:12:16
1987
Boston Marathon
Boston , United States
9th
Marathon
2:15:23
Beijing Marathon
Beijing , China
5th
Marathon
2:13:09
1988
Boston Marathon
Boston , United States
12th
Marathon
2:14:40
Fukuoka Marathon
Fukuoka , Japan
5th
Marathon
2:11:51
1989
Rotterdam Marathon
Rotterdam , Netherlands
13th
Marathon
2:15:41
Fukuoka Marathon
Fukuoka , Japan
14th
Marathon
2:17:28
1990
Rotterdam Marathon
Rotterdam , Netherlands
5th
Marathon
2:15:39
Moscow Peace Marathon
Moscow , Russia
8th
Marathon
2:18:31
Fukuoka Marathon
Fukuoka , Japan
8th
Marathon
2:15:36
1991
Hōfu Marathon
Hōfu , Japan
5th
Marathon
2:16:27