All available race results Jan Maas
| Date | Race | Rank |
| 03/08 | World Championships Time Trial (Ama) | 9 |
| 18/09 | Den Haag - Arnhem - Den Haag | 2 |
Rider information for 1922
| Rank | 192 |
| Score | 92 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 25/08 | World Championships Road Race (Amateurs) | 21 |
Rider information for 1923
| Rank | 455 |
| Score | 27 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 23/07 | Olympic Games Time Trial | 19 |
| 02/08 | World Championships Road Race (Amateurs) | 20 |
Rider information for 1924
| Rank | 236 |
| Score | 97 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 02/08 | Groote Scheldeprijs | 7 |
| 22/08 | World Championships Road Race (Amateurs) | 5 |
Rider information for 1925
| Rank | 317 |
| Score | 62 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Olympia's Tour | ||
| 17/08 | Stage 1 | 6 |
| 19/08 | Stage 3 | 5 |
| 20/08 | Stage 4 | 3 |
| 20/08 | General Classification | 8 |
Rider information for 1927
| Rank | 521 |
| Score | 32 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 25/03 | Den Haag - Brussel | 1 |
Rider information for 1928
| Rank | 562 |
| Score | 31 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 03/06 | Nederlands Kampioenschap | 2 |
Rider information for 1929
| Rank | 1606 |
| Score | 0 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 06/04 | Den Haag - Brussel | 6 |
Rider information for 1930
| Rank | 688 |
| Score | 14 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 02/08 | Nederlands Kampioenschap | 7 |
Rider information for 1931
| Rank | 732 |
| Score | 10 |
| Name | Jan MAAS |
| Country | Netherlands |
| Team | Individual |