Info
| Last name | Mertens |
| First name | Jan |
| Nationality |  Belgium |
| Date of birth | 02-03-1904 |
| Place of birth | Hoboken |
| Passed away | 22-06-1964 |
| Age when passed away | 60 |
| Place of passing | Hoboken |
Monuments
Grand tours
| Year | Giro d'Italia | Tour de France | Vuelta a España |
|---|---|---|---|
| 1928 | - | 4th | - |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 22-08 | 2 | Scheldeprijs (1.1) | |||||
 Tour de France (2.HC) | |||||||
| 08-07 | 3 | Stage 11Luchon - Perpignan (323.0km) | |||||