| Winners | |
|---|---|
| Overall |  Masahiko Harada |
| Competitions | |
| Venues | 5 |
| Individual | 6 |
The 1998 FIS Ski Jumping Grand Prix was the 5th Summer Grand Prix season in ski jumping on plastic. Season began on the 9 August 1998 in Stams, Austria and ended on 13 September 1998 in Hakuba, Japan. [1]
Other competitive circuits this season included the World Cup and Continental Cup.
| Num | Season | Date | Place | Hill | Size | Winner | Second | Third | Yellow bib |
|---|---|---|---|---|---|---|---|---|---|
| 18 | 1 | 9 August 1998 |  Stams | Brunnentalschanze K105 | NH | Masahiko Harada |  Martin Schmitt | Kazuyoshi Funaki | Masahiko Harada |
| 19 | 2 | 11 August 1998 |  Predazzo | Trampolino dal Ben K120 | LH | Masahiko Harada |  Janne Ahonen |  Nicolas Dessum | |
| 20 | 3 | 14 August 1998 | Courchevel | Tremplin du Praz K120 | LH | Nicolas Dessum | Janne Ahonen | Martin Schmitt | |
| 21 | 4 | 16 August 1998 | Hinterzarten | Rothaus-Schanze K90 | NH | Masahiko Harada | Janne Ahonen | Hansjörg Jäkle Alexander Herr | |
| 22 | 5 | 12 September 1998 | Hakuba | Olympic Ski Jumps K120 | LH | Kazuyoshi Funaki | Masahiko Harada | Martin Schmitt | |
| 23 | 6 | 13 Sep 1998 | Hakuba | Olympic Ski Jumps K120 | LH | Masahiko Harada | Kazuyoshi Funaki | R. Schwarzenberger Martin Schmitt |
Overall
| Nations Cup
|
