First first participations
| # | Rider | Debut year | Debut rnk |
|---|---|---|---|
| 1 | MEEUSSEN Witse | 2021 | 1 |
| 2 | LOOCKX Lander | 2021 | 2 |
| 3 | ROMBOUTS Seppe | 2021 | 3 |
| 4 | HARING Martin | 2021 | 4 |
| 5 | JOT Hugo | 2021 | 5 |
| 6 | VOZÁR Šimon | 2021 | 6 |
| 7 | ZELENY Ondrej | 2021 | 7 |
| 8 | JOT Matéo | 2021 | 8 |
| 9 | KAISE Julien | 2021 | 9 |
| 10 | HRTÁNEK Martin | 2021 | 10 |
| 11 | KURTY Jakub | 2021 | 11 |
| 12 | NOWAK Stanislaw | 2021 | 12 |
| 13 | KOREN Matúš Jakub | 2021 | 13 |
| 14 | SOKOLÍK Lukáš | 2021 | 14 |
| 15 | VYKYDAL Jaroslav | 2021 | 15 |
| 16 | VANČO Tobias | 2021 | 16 |
| 17 | TRNKA Marek | 2021 | 17 |
| 18 | MELIŠ Erik | 2021 | 18 |
| 19 | KOVÁČ Samuel | 2021 | 19 |
| 20 | MIČIAN Samuel | 2021 | 20 |
| 21 | ŁUKÓW Antoni | 2021 | 21 |
| 22 | BRUYNSEELS Dries | 2021 | 22 |
| 23 | BRŠEL Samuel | 2021 | 23 |
| 24 | SZÉKELY Benedek | 2021 | 24 |
| 25 | MUSIALIK Tobiasz | 2021 | 25 |
| 26 | VRBIK Adam | 2021 | 26 |
| 27 | HOZA Denis | 2021 | 27 |
| 28 | LÁVEČKA Matúš | 2021 | 28 |
| 29 | KURTY Matej | 2021 | 29 |
| 30 | ŽILKA Filip | 2021 | 30 |
| 31 | BRUYNSEELS Greg | 2021 | 31 |
| 32 | WACHS Martin | 2021 | 32 |