other hub has not crossed the line.
4.10. Competitors must attempt to negotiate observed sections non-stop unless the Official Documents specify otherwise.
4.11. Failure of a Vehicle to maintain unassisted forward motion in the direction of the Course will be regarded as failure to comply with this requirement.
4.12. The point of failure will be at a vertical line from the centre of the hub of the front wheel which is the furthest from the start of the section. See App 7 Drawing 2.
4.13. Observed sections may be divided into subsections. In such cases signs will indicate the beginning and end of the sub-sections.
4.14. A Vehicle will be deemed to have entered an observed section or subsection when a vertical line from the leading front wheel hub centre has passed any marker indicating the beginning of the section.
4.15. A Vehicle will be considered to have left an observed section or sub-section when a vertical line from the leading front wheel hub centre has passed any marker indicating the end of the section.
4.16. Failure to proceed for whatever reason from the starting position into an observed section when instructed to do so will be regarded as failure in that section.
4.17. The start line will indicate the greatest penalty and the Finish line zero penalty.
5. Results 5.1. Judges may be appointed to adjudicate on:
a. Conforming with the correct route on the course. b. Touching markers. c. Failure to proceed non-stop when required. d. Conformity with Arts. 7, 11 or 15 below. e. Noise. f. Time of arrival / departure at observed section test control or check. g. Unauthorised smoking. h. Unauthorised assistance or servicing.
5.2. Performances on any observed section or test may be ignored at the Organiser’ s discretion even though there have been successful attempts to negotiate the section or test. If this discretion is exercised no performance on the section or the test in question will be taken into account when compiling the results. This discretion may be for a Class or a number of Classes.
5.3. Competitors start with zero marks.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 17 Appendix 2- Competitors Regulations 612