BTW: More responses at the NATRA board.
I replied and thanked them, but my replies haven't posted yet.
JMO and I hope I don't offend you but unless I was really serious about competing in this sport I think I would keep him on his medication and let Bay "drag" or use another horse. I think conditioning great and he should be kept as active as possible but even though you would never know it, he is old and has had a demanding life.