| Class | Description | Record | Date | Holder | Car | CC |
|---|---|---|---|---|---|---|
| 999 | Not in Start List | 0 | 01/01/2017 | NA | NA | 0 |
| 15A | MG Cars Groups 1 & 2 Road Cars | 70.87 | 09/04/2023 | Ian Howlett | MGF Trophy | 1796 |
| 15B | MG Cars Groups 3 & 4 Modified Cars | 68.98 | 26/09/2026 | Simon Jones | Austin Healey Sprite | 1380 |
| 15C | MG Cars Group 5 & 6 Sports Libre | 66.86 | 26/09/2026 | Rob Armstrong | MG Midget | 1800 |
| 16 | TR Register Cars | 65.37 | 11/05/2002 | Hugh Maund | TR7 V8 | 4600 |
| 32 | Club Alpine Renault | 64.43 | 26/09/2026 | Peter Herbert | Alpine A110 | 1798T |
| 34A | 500 Owners Club (under 500cc) | 68.73 | 26/09/2026 | Frazer Deane | Cooper Mk9 | 500 |
| 1A | Road Cars - Series Production up to & including 1400cc | 64.17 | 02/08/2025 | Adam Riley | Volkswagen Up | 999T |
| 1B | Road Cars - Series Production over 1400cc up to & including 2000cc | 62.57 | 18/09/2021 | Adam Riley | Honda S2000 | 1997 |
| 1C | Road Cars - Series Production over 2000cc (2 wheel drive) | 61.05 | 04/08/2024 | Richard Andrews | Porsche 718 GT4 | 4000 |
| 1D | Road Cars - Series Production over 2000cc (4 wheel drive) | 59.56 | 02/08/2025 | James Hudson | Subaru Impreza | 2384T |
| 2A | Road Cars - Specialist Production Kit, Replica & Space-framed Cars up to & including 1800cc (car derived engines) | 59.97 | 02/08/2025 | Henry Moorhouse | Westfield | 1600 |
| 2B | Road Cars - Specialist Production Kit, Replica & Space-framed Cars over 1800c (car derived engines) | 59.08 | 07/08/2011 | Simon Green | Westfield Duratec | 2261 |
| 2D | Road Cars - Specialist Production with Motor Cycle derived engines and those cars not eligible for classes 2A, 2B, 2E, 2F | 60.81 | 21/09/2014 | Robert Bellerby | Sylva Riot | 998 |
| 2E | Road Cars - Lotus Elise and other non-ferrous chassis construction cars up to & including 1800cc | 62.51 | 19/09/2015 | Tracey Taylor West | Lotus Elise | 1796 |
| 3A | Modified Cars - Series Production up to & including 1400cc (2 wheel drive) | 62.67 | 06/08/2022 | Neil Turner | Mini Cooper S | 1380 |
| 3B | Modified Cars - Series Production over 1400cc up to & including 2000cc (2 wheel drive) | 59.52 | 25/08/2019 | Sarah Bosworth | Lotus Elise | 1796 |
| 3C | Modified Cars - Series Production over 2000cc (2 wheel drive) | 64.95 | 07/06/2026 | Haydn Spedding | Jaguar E Type | 4235 |