Most starts
Most starts in GP Slovenian Istria for Bulgaria.
| # | Rider | Starts | Years |
|---|---|---|---|
| 1 | IVANOV Borislav | 2 | 2021, 2023 |
| 2 | IVANOV Tsvetan | 2 | 2021, 2023 |
| 3 | PETROV Yordan | 2 | 2021, 2023 |
| 4 | GENOV Nikolay | 1 | 2023 |
| 5 | PAPANOV Martin | 1 | 2023 |
| 6 | MARINKOV Konstantin | 1 | 2021 |
| 7 | DIMITROV Petar | 1 | 2023 |
| 8 | ILCHEV Lyubomir | 1 | 2021 |