| Class | # | Rider | Nationality | Federation | Team | Make | |
|---|---|---|---|---|---|---|---|
| SM Junior | 1 | 5 | Jan Ulman | CZE | ACCR | TM | |
| 2 | 8 | Nikola Nikolaev | BG | BMF | KTM | ||
| 3 | 9 | Alexian Nikolov | BG | BMF | KTM | ||
| 4 | 10 | Bojidar Ivanov | BG | BMF | KTM | ||
| 5 | 15 | Jivko Ivanov | RUS | MFR | KTM | ||
| 6 | 15 | Polina Ivanova | BG | BMF | KTM | ||
| 7 | 16 | Hristian Geshev | BG | BMF | KTM | ||
| 8 | 18 | Nikola Dosev | BG | BMF | KTM | ||
| 9 | 27 | Hristo Sergiev | BG | BMF | KTM | ||
| 10 | 96 | Ivan Mosin | BG | BMF | TM | ||
| 11 | 98 | Enis Bayramov | BG | BMF | KTM | ||
| S3 | 1 | 4 | Radostin Mihaylov | BG | BMF | KTM | |
| 2 | 50 | Hakan Halmi | BG | BMF | KTM | ||
| Senior | 1 | 9 | Krasen Kanchev | BG | BMF | KTM | |
| 2 | 12 | Alexander Lyatishev | RUS | MFR | Honda | ||
| 3 | 38 | Vladislav Dimitrov | BG | BMF | KTM | ||
| 4 | 191 | Biser Asenov | BG | BMF | Kawasaki |