CHAPTER 20 CROSS COUNTRY Appendix 4- Organisers Regulations – Trials and Un-timed Events
1. Cross Country Vehicle Trials
1.1. These trials must be organised in accordance with App. 1 and App. 2 and App. 3 and App. 12 as appropriate and the use of road sections should be avoided.
1.2. The Official Documents must clearly state if the highway is to be used( see App. 2 Art. 1).
1.3. Where applicable Competitors should be split into equal groups which should start at different observed sections simultaneously.
1.4. The Start and Finish of observed sections must be marked by signs and the Starts should be reasonably flat and wide so that all Competitors can at least enter the Section.
1.5. The layout of sections should take account of the location of possible failure points and particularly for Tyro Trials safe exit routes.
1.6. The layout should facilitate marshalling by the minimum possible number of Officials.
1.7. Sections should be as wide as possible to allow a choice of route and as winding as possible to place a premium on driving skill( although the radius of all corners must be adequate for all vehicles entered).
1.8. Course markers should not be placed against trees. 1.9. The use of trees or natural hazards as course boundaries should be avoided. 1.10. If possible alternative routes should be planned in case of changes of weather condition.
1.11. It is recommended that Sections be laid out using a minimum of 10 pairs of marker stakes( see App. 11 Chart 5) of a minimum height of 1m and with colour coding to clearly identify each side of the route.
1.12. Metal rod markers should not be used.
1.13. Markers should be placed to avoid the likelihood of Competitors putting all wheels out between markers or where they are likely to be moved by bushes or branches.
1.14. Clearly visible sub-section numbers should have a minimum figure height of 50mm.
1.15. If sub-section numbers are not placed on both sides of the route they should be on the right-hand side with corresponding guide markers on the left.
1.16. Sub-section numbers should be closely grouped in areas of expected failure.
1.17. A minor proportion of the sections can be timed but any time penalties must be related using a published formula to points lost on a section.
1.18. Timed sections must be a maximum of 200m long and the maximum time allowed for the section shall be stated.
1.19. Approaches to and exits from sections must not present any unreasonable hazard or difficulty.
1.20. There should be sufficient Marshals at each observed section to ensure safety procedures are followed and adequate Judges in attendance( see App. 1 Art. 5).
1.21. Organisers may at any convenient time after the start of a Competition require any Competitor to increase or decrease their minimum permitted tyre pressure by a maximum of 5lbs / sq. in. This decision must be advised to Competitors in writing and sufficient time allowed for them to comply.
2. Junior Trials
2.1. Junior Trials must be organised in accordance with Art. 1 above and at all times during these Events Vehicles may only be driven under the instruction of an Official.
2.2. Where a Junior Trial is held concurrently with another Events at the same Venue the area for the Junior
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 20 Appendix 4- Organisers Regulations – Trials and Un-timed Events 715