All available race results Jan Koba
| Date | Race | Rank |
| 15/03 | Milano - Sanremo | 89 |
| Critérium International | ||
| 23/03 | General Classification | 94 |
| 26/04 | Amstel Gold Race | 44 |
| 04/05 | Meisterschaft von Zürich | 50 |
| Tour de Romandie | ||
| 06/05 | Stage 1 | 18 |
| 07/05 | Stage 2 | 11 |
| 08/05 | Stage 3 | 4 |
| G.P. du Midi-Libre | ||
| 13/06 | Stage 2 | 4 |
| 15/06 | Stage 4 | 13 |
| 15/06 | General Classification | 20 |
| 01/08 | Grosser Preis des Kantons Aargau - Gippingen | 15 |
| 21/09 | G.P. d'Isbergues | 19 |
| 12/10 | Paris - Tours | 61 |
Rider information for 1986
| Rank | 330 |
| Score | 229 |
| Name | Jan KOBA |
| Country | Czechoslovakia |
| Team | Peugeot - Shell - Michelin - Velo Talbot |
| Date | Race | Rank |
| Tour du Haut-Var | ||
| 21/02 | General Classification | 20 |
| 21/03 | Milano - Sanremo | 127 |
| Critérium International | ||
| 29/03 | General Classification | 31 |
| 25/04 | Amstel Gold Race | 53 |
| 01/05 | Rund um den Henninger Turm | 12 |
| Tour Midi-Pyrénées | ||
| 14/06 | General Classification | 15 |
| G.P. du Midi-Libre | ||
| 24/06 | General Classification | 42 |
| 01/08 | Grosser Preis des Kantons Aargau - Gippingen | 29 |
| 12/08 | Clasica San Sebastian | 94 |
Rider information for 1987
| Rank | 488 |
| Score | 89 |
| Name | Jan KOBA |
| Country | Czechoslovakia |
| Team | Z - Peugeot |