Class 1 - 70cm ClubClass 2 - 80cm ClubClass 3 - 90cm ClubClass 4 - British Novice 80cmClass 5 - 128cm 138cm HandicapClass 6 - Discovery 90cmClass 7 - Blue Chip Sapphire qualifierClass 8 - 1m Restricted Rider and OpenClass 9 - Foxhunter 1.10m