| Event Locations: |
|---|
| Bekkai, Hokkaido |
| Sponsor | Name | Date | Runners | Category | Distance | Comment |
| NHK | Pilot Marathon | 08/10/1989 | 0 | Marathon | 42.195 km | |
| NHK | Pilot Marathon | 27/10/1985 | 0 | Marathon | 42.195 km | |
| NHK | Pilot Marathon | 28/10/1984 | 0 | Marathon | 42.195 km | |
| NHK | Pilot Marathon | 02/10/1983 | 0 | Marathon | 42.195 km | |
| NHK | Pilot Marathon | 26/09/1982 | 0 | Marathon | 42.195 km |