| <table border="1"> | |
| <tr><td>Year</td><td>Competition</td><td>Venue</td><td>Position</td><td>Event</td><td>Notes</td></tr> | |
| <tr><td>1978</td><td>Fukuoka Marathon</td><td>Fukuoka, Japan</td><td>1st</td><td>Marathon</td><td>2:10:21</td></tr> | |
| <tr><td>1979</td><td>Fukuoka Marathon</td><td>Fukuoka, Japan</td><td>1st</td><td>Marathon</td><td>2:10:35</td></tr> | |
| <tr><td>1979</td><td>Boston Marathon</td><td>Boston, United States</td><td>2nd</td><td>Marathon</td><td>2:10:12</td></tr> | |
| <tr><td>1980</td><td>Fukuoka Marathon</td><td>Fukuoka, Japan</td><td>1st</td><td>Marathon</td><td>2:09:45</td></tr> | |
| <tr><td>1981</td><td>Boston Marathon</td><td>Boston, United States</td><td>1st</td><td>Marathon</td><td>2:09:26</td></tr> | |
| <tr><td>1983</td><td>Tokyo Marathon</td><td>Tokyo, Japan</td><td>1st</td><td>Marathon</td><td>2:08:38</td></tr> | |
| <tr><td>1983</td><td>Fukuoka Marathon</td><td>Fukuoka, Japan</td><td>1st</td><td>Marathon</td><td>2:08:52</td></tr> | |
| <tr><td>1986</td><td>London Marathon</td><td>London, United Kingdom</td><td>1st</td><td>Marathon</td><td>2:10:02</td></tr> | |
| <tr><td>1986</td><td>Chicago Marathon</td><td>Chicago, United States</td><td>1st</td><td>Marathon</td><td>2:08:27</td></tr> | |
| <tr><td>1987</td><td>Boston Marathon</td><td>Boston, United States</td><td>1st</td><td>Marathon</td><td>2:11:50</td></tr> | |
| <tr><td>1988</td><td>Lake Biwa Marathon</td><td>Ōtsu, Japan</td><td>1st</td><td>Marathon</td><td>2:12:41</td></tr> | |
| </table> | |