CHAPTER 14 SPRINT, HILL CLIMB AND HOT LAP CHALLENGE Appendix 4- Technical Regulations
These Technical Regulations must be read in conjunction with Ch. 7( Competitors Vehicles and Vehicle Safety Equipment)
1. Categories
1.1. Categories are defined in the following regulations( except for Period Defined Vehicles( Non-Rally) A-E inclusive which remain free). Classes within those categories are free but must be stated in the Official Documents.
1.2. Other than the provisions of Ch. 7 and Art. 2 below and the specific Category regulations below as appropriate modifications are free.
1.3. ASN retains the sole discretion to determine the category into which a vehicle should be categorised should there be any doubt.
1.4. The onus of responsibility for the eligibility of competing Vehicles lies with the Competitor. 1.5. Standard Cars – Vehicles complying with. App. 4 Art. 13 1.6. Road Cars – Vehicles complying with App. 4 Art. 14 1.7. Modified Cars – Vehicles complying with App. 4 Art. 15 1.8. Sports Libre Cars – Vehicles complying with App. 4 Art. 16 1.9. Racing Cars – Vehicles complying with App. 4 Art. 17
1.10. In addition to complying with Ch. 7 all Vehicles competing in Sprints and Hill Climbs must comply with the following as a minimum:
2. Safety( Hill Climbs and Sprints)
2.1. Be fitted with a Roll Over Protection System complying with ASN requirements as specified in Ch. 7 except for cars of Periods A – E( see Ch. 1 App. 1) and Standard Cars and Road Cars Series Production as defined in these Regulations where it is recommended.
2.2. If fitted with lightened non-standard doors then must be fitted with a doorbar( s) complying with Ch. 7 App. 3 Art. 12 on the Driver’ s side as a minimum.
2.3. Open and closed wheel Racing Cars and Sports Libre Racing Cars as defined in App. 4 Art. 16.1. a must comply with Ch. 7 App. 3 Art. 24.
2.4. Seating and Seat Belts except for cars of Periods A – E( Ch. 1 App. 1) must be worn and be correctly adjusted at all times during Events.
2.5. Road Cars: front seats may be replaced by fully trimmed Competition versions.
2.6. Standard Cars and Road Cars must have a minimum Three Point Harness System( Ch. 7 App. 7 Art. 6) with the exception of Junior Sprint and Junior Hill Climb Competitors who must have as a minimum a Four Point Harness( Ch. 7 App. 7 Art. 7).
2.7. Modified Cars must have as a minimum a Four Point Harness( Ch. 7 App. 7 Art. 7).
2.8. Sports Libre Cars and Racing Cars must be equipped with a homologated FIA safety harness minimum Five Point Harness( Ch. 7 App. 7 Art. 8).
2.9. Head restraints( Ch. 7 App. 7 Art. 4 are mandatory for all Vehicles except for Vehicle of Periods A – E.
2.10. Fire Extinguishers – per Ch. 7 App. 6 recommended for discharge into cockpit and engine compartment in all Vehicles.
2.11. Towing point( s) of adequate strength and size are mandatory. They must be clearly identified and suitably marked on the Vehicle using a high visibility colour and be accessible to the front and rear of the Vehicle.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 14 Appendix 4- Technical Regulations 537