| George | Hopkins | MXY1 | 4 | Gas Gas 125 | Passion Racing | Entered* |
| Liam | Bennett | MXY1 | 5 | KTM 125 | | Entered |
| Bailey | Johnson | MXY1 | 9 | Gas Gas 125 | Moto Xchange Gas Gas | Entered |
| Harvey | Cashmore | MXY2 | 10 | Husqvarna 250 | Chambers Racing | Entered* |
| Jude | Turton | MXY1 | 12 | Gas Gas 125 | DP Racing | Entered* |
| Jake | Smith | MXY1 | 17 | KTM 125 | | Entered |
| Joe | Brookes | MXY1 | 19 | Yamaha 125 | Cab Screen Crescent Yamaha | Entered |
| Charlie | Heyman | MXY1 | 22 | KTM 125 | SJP Moto | Entered |
| Cody | Spacagna | MXY1 | 25 | KTM 125 | | Entered |
| Charlie | Griffiths | MXY1 | 28 | Husqvarna 125 | Evenstokes | Entered |
| Josh | Bassett | MXY2 | 34 | Husqvarna 250 | X-Cast Media | Entered |
| Hudson | Roper | MXY1 | 36 | KTM 125 | SJP Team | Entered |
| Leon | Williams | MXY2 | 47 | Husqvarna 250 | | Entered* |
| Joe | Jordan | MXY1 | 49 | KTM 125 | | Entered |
| Jamie | Luffman | MXY2 | 50 | KTM 250 | | Entered |
| Lewis | Glynn | MXY2 | 51 | KTM 250 | | Entered |
| Jake | Barker | MXY2 | 60 | Husqvarna 250 | Moto-Connection, HRH Group | Entered |
| Raife | Broadley | MXY1 | 72 | KTM 125 | DEP Pipes | Entered* |
| Ashton | Barlow | MXY1 | 82 | KTM 125 | Jim Aims Racing | Entered* |
| Reece | Ross | MXY1 | 84 | Yamaha 125 | G & G Ross | Entered* |
| Conner | Warren | MXY2 | 101 | Kawasaki 250 | | Entered* |
| Jude | Morris | MXY2 | 101 | Gas Gas 250 | Salisbury Wheel Builders, DEP Pipes, FEUK | Entered* |
| Jayden | Haigh | MXY1 | 111 | KTM 125 | SJP Team | Entered |
| Syd | Putnam | MXY1 | 119 | Husqvarna 125 | PAR Homes Husqvarna | Entered* |
| Josh | Jones | MXY1 | 121 | KTM 125 | Dynamic Air | Entered |
| Sam | Atkinson | MXY2 | 122 | Kawasaki 250 | Phoenix Tools Apico Kawasaki | Entered* |
| Charlie | Palmer | MXY1 | 128 | Husqvarna 125 | Passion Racing Gas Gas | Entered |
| Arai | Elcock | MXY1 | 171 | 125 | Manchester M/C/Pickup Systems | Entered* |
| Corey | Collins | MXY2 | 174 | KTM 250 | | Entered |
| Tyler | Westcott | MXY2 | 202 | Honda 250 | Planet Moto Holidays, St Blazey MX | Entered* |
| Kieran | Boughen | MXY1 | 205 | Husqvarna 125 | BCS MX | Entered* |
| Ty | Jones | MXY1 | 221 | KTM 125 | Dynamic Air | Entered |
| Ben | Clark | MXY2 | 277 | Husqvarna 250 | | Entered* |
| Calum | Moore | MXY1 | 300 | Yamaha 125 | RH3 Academy | Entered |
| James | Barker | MXY1 | 410 | Husqvarna 125 | SJP Team | Entered* |
| Ollie | Colmer | MXY1 | 456 | KTM 125 | GRT Holeshot KTM | Entered |
| Leon | Ongley | MXY1 | | Yamaha 125 | DEP Pipes | Entered |
| Alfie | Jones | MXY2 | 731 | KTM 250 | Middlesex MX | Entered |
| Luca | Pegg | MXY2 | 807 | Yamaha 250 | | Entered |
