Competitors for 1998 Marathon Sydney
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Katsuhiko Hanada |  JPN |
ATH | 12 June 1971 |
| Takeharu Honda | JPN |
ATH | 24 April 1967 |
| Yukari Komatsu | JPN |
ATH | 13 February 1974 |
| Eri Matsubara | JPN |
ATH | 3 September 1975 |
| Kenichi Takahashi | JPN |
ATH | 16 January 1973 |
| Shiki Terasaki | JPN |
ATH | 27 March 1972 |