All available race results Luc de Keyser
| Date | Race | Rank |
| 02/08 | Scheldeprijs - Schoten | 28 |
| 23/08 | Druivenkoers - Overijse | 10 |
| 11/09 | G.P. de Fourmies | 32 |
| 21/09 | Paris - Bruxelles | 35 |
Rider information for 1977
| Rank | 450 |
| Score | 30 |
| Name | Luc DE KEYSER |
| Country | Belgium |
| Team | Maes Pils - Mini-Flat |
| Date | Race | Rank |
| 16/04 | Paris - Roubaix | 40 |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 19 |
| 10/09 | G.P. de Fourmies | 19 |
Rider information for 1978
| Rank | 698 |
| Score | 9 |
| Name | Luc DE KEYSER |
| Country | Belgium |
| Team | Avia - Groene Leeuw |
No results available in season 1979.
Rider information for 1979
| Rank | 1161 |
| Score | 0 |
| Name | Luc DE KEYSER |
| Country | Belgium |
| Team | Fangio - Iso-Bel |