Best result per year
The best result for a rider on Bulgaria per year in GP Slovenian Istria.
| Year | Best | Rider |
|---|---|---|
| 2023 | 1005 | IVANOV Tsvetan |
| 2023 | 1005 | IVANOV Borislav |
| 2023 | 1005 | PAPANOV Martin |
| 2023 | 1005 | PETROV Yordan |
| 2023 | 1005 | DIMITROV Petar |
| 2023 | 1005 | GENOV Nikolay |
| 2021 | 1005 | ILCHEV Lyubomir |
| 2021 | 1005 | IVANOV Borislav |
| 2021 | 1005 | IVANOV Tsvetan |
| 2021 | 1005 | PETROV Yordan |
| 2021 | 1005 | MARINKOV Konstantin |