Info
| Last name | Sioen |
| First name | Sylvester |
| Nationality |  Belgium |
About Sylvester Sioen
Sylvester Sioen is a Belgian cycling professional, 0 years old.
| Date | Rank | Race |
|---|---|---|
| 18-11 | 34 | Superprestige Asper-Gavere U19 (CU19) |
| 14-10 | 39 | Superprestige Ruddervoorde U19 (CU19) |