2025 Rules:
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• Click here for the 2025 AMA/NATC Supplemental Rules
• All the scoring rules from the checker's perspective

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Summary of Changes for 2025:

To make more competitive classes and consistent class naming structure, the NATC has made the following changes:

Other Rule Updates: 
 
5. STARTING ORDER 

B. The Pro line will start the Trial, followed by, in order, Expert, Expert Sportsman, Sportsman, Clubman. 

D. In all sections, one start line will be formed for all riders  
 
7. SCORING 

B. Failure Definitions: 

1. The motorcycle moving backwards while footing. 

14. The front or rear axle passes, in either direction, through a gate of another class, that is, breaking the plane of a gate. 

C. Other penalties: 

Removed first loop time requirement for pro riders