Most starts
Most starts in GP Slovenian Istria for HRE Mazowsze Serce Polski.
| # | Rider | Starts | Years |
|---|---|---|---|
| 1 | BUDZIŃSKI Marcin | 4 | 2021-2024 |
| 2 | KACZMAREK Jakub | 3 | 2021, 2024-2025 |
| 3 | BUDZIŃSKI Tomasz | 3 | 2022-2024 |
| 4 | STACHOWIAK Adam | 2 | 2022-2023 |
| 5 | POMORSKI Michał | 2 | 2024-2025 |
| 6 | BROŻYNA Piotr | 2 | 2021-2022 |
| 7 | BANASZEK Norbert | 2 | 2023-2024 |
| 8 | HELTA Filip | 1 | 2025 |
| 9 | ADASZAK Ksawery | 1 | 2025 |
| 10 | RADOSZ Maksymilian | 1 | 2025 |
| 11 | OŚKO Miłosz | 1 | 2022 |
| 12 | GÓRAK Dominik | 1 | 2022 |
| 13 | AASKOV PALLESEN Jeppe | 1 | 2023 |
| 14 | BANASZEK Alan | 1 | 2024 |
| 15 | PAWLAK Tobiasz | 1 | 2021 |
| 16 | BANASZEK Adrian | 1 | 2023 |
| 17 | DOMAGALSKI Karol | 1 | 2021 |
| 18 | RÄIM Mihkel | 1 | 2021 |
| 19 | OWSIAN Łukasz | 1 | 2025 |