| Code | |
|---|---|
| Gender | Male |
| Full name | Johannes Leonardus "Jan"•Maas |
| Used name | Jan•Maas |
| Born | 17 June 1900 |
| Died | 5 September 1977 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Cycling | 2021 European Road Cycling Championships | Trentino | Road Race Individual, Men | DNS | |||
| Cycling | 2022 European Road Cycling Championships | München | Road Race Individual, Men | 105 |