All available race results Jan Bittner
| Date | Race | Rank |
| 28/02 | Trofej Umag - Umag Trophy | 58 |
| Istarsko proljece - Istrian Spring Trophy | ||
| 07/03 | Prologue | 53 |
| 08/03 | Stage 1 | 150 |
| 17/03 | G.P. Slovenian Istria | 71 |
Rider information for 2024
| Rank | 4126 |
| Score | 0 |
| Name | Jan BITTNER |
| Country | Czech Republic |
| Team | ATT Investments |
| Date | Race | Rank |
| 05/03 | UMAG Classic | 122 |
| Istrian Spring Tour | ||
| 13/03 | Prologue | 58 |
| 14/03 | Stage 1 | 152 |
| 15/03 | Stage 2 | 130 |
| 16/03 | Stage 3 | 110 |
| General Classification | 123 | |
| Circuit des Ardennes | ||
| 09/04 | Stage 1 | 139 |
| 10/04 | Stage 2 | 105 |
| 11/04 | Stage 3 | 100 |
| 12/04 | Stage 4 | 84 |
| Beograd - Banja Luka | ||
| 23/04 | Stage 1 | 133 |
Rider information for 2025
| Rank | 2303 |
| Score | 0 |
| Name | Jan BITTNER |
| Country | Czech Republic |
| Team | ATT Investments |