2023 - Monster Mountain Entry Lists - MX1
| Name | Rider No | Sponsor | Team | Hometown | Manufacturer |
| John Adamson | 2 | ASA UNITED GASGAS | ASA UNITED GASGAS | Scotland | GAS |
| Josh Gilbert | 3 | CRENDON FASTRACK HONDA RACING | CRENDON FASTRACK HONDA RACING | Devon | HON |
| Tom Grimshaw | 16 | CHAMBERS RACING | CHAMBERS RACING | Hertfordshire | GAS |
| Callum Green | 49 | TRU 7 HONDA RACING ACADAMY | TRU 7 HONDA RACING ACADAMY | Devon | HON |
| Martin Barr | 50 | APICO HUSQVARNA | APICO HUSQVARNA | County Antrim | HUS |
| Tom Murphy | 74 | GMR MAGIC MUSHROOM YAMAHA | Essex | YAM | |
| Charlie Putnam | 91 | SC SPORTHOMES HUSQVARNA | SC SPORTHOMES HUSQVARNA | Buckinghamshire | HUS |
| Jaydon Murphy | 118W | NE10 VODKA\ DIRT WHEELZ | Gwent | YAM | |
| Ivo Monticelli | 128 | ASA UNITED GASGAS | ASA UNITED GASGAS | Italy | GAS |
| Liam Knight | 134 | GABRIEL HOLESHOT | GABRIEL KTM | Hampshire | KTM |
| Tristan Purdon | 141 | GABRIEL SS24 KTM RACING TEAM | GABRIEL SS24 KTM RACING TEAM | Hampshire | KTM |
| Aaron Patstone | 150 | KIOR/SHAW/TAMWORTH YAMAHA/L&D | Leamington Spa | YAM | |
| Harri Kullas | 151 | CABSCREENS CRESCENT YAMAHA | CABSCREENS CRESCENT YAMAHA | Surrey | YAM |
| Stuart Edmonds | 162 | STUART EDMONDS RACING | SBRIGGS COMMERCIALS HONDA | Ireland | HON |
| James Carpenter | 184 | CAB SCREENS CRESCENT YAMAHA | CABSCREENS CRESCENT YAMAHA | Dorset | YAM |
| Billy Mackenzie | 211 | MODU KAWASAKI RACING TEAM | MODU KAWASAKI RACING TEAM | Stirlingshire | KAW |
| Conrad Mewse | 426 | CRENDON FASTRACK HONDA RACING | CRENDON FASTRACK HONDA RACING | Honiton | HON |
| Steven Clarke | 511 | STORE 114 RACING | Staffordshire | HON | |
| Brad Todd | 714 | DK OFFROAD\BIKESPORT NEWCASTLE | Cumbria | HON | |
| Zack Williams | 874W | SC Sporthomes Husqvarna | Leicester | HUS |