1. How old do you have to be to be a senior in showjumping? 17 as of the 1st January 2. Can 2 riders ride the same pony/horse? Yes, as long as not in the same class. 3. Can lead rein do first ridden? Yes, the combination can compete in both classes. 4. Can first ridden riders have assistance if needed? Yes of course we like to encourage them in these classes. 5. Whats the max age of young handlers? 18 as of 1st January