Info
| Last name | De Greef |
| First name | Gustaaf |
| Nationality |  Belgium |
| Date of birth | 13-10-1912 |
| Place of birth | Laken |
| Passed away | 25-01-1994 |
| Age when passed away | 81 |
| Place of passing | Jette |
Results
| Date | Rank | Race |
|---|---|---|
| 16-06 | 9 | National Road Championships - Belgium (CN) |