Info
| Last name | Wiersma |
| First name | Frits |
| Nationality |  Netherlands |
| Date of birth | 27-08-1894 |
| Place of birth | Nieuwer-Amstel |
| Passed away | 13-01-1984 |
| Age when passed away | 89 |
| Place of passing | Purmerend |
Monuments
| Year | Milano - San Remo | Tour of Flanders | Paris - Roubaix | Liège-Bastogne-Liège | Il Lombardia |
|---|---|---|---|---|---|
| 1919 | - | 4th | - | - | - |
| Date | Rank | Race |
|---|---|---|
| 06-06 | 1 | National Road Championships - Netherlands (CN) |