We have created a multiple choice quiz that will test out how much you actually know about some of the best horses in the sport over both the jumps and on the flat.
We have given you 10 questions with four possible answers for each one and all we want to know from the horses on show, who is the oldest out of these.
What makes this harder is you only have 1 minute to answer all of the questions, so get your thinking hats on as this is quick-fire.
Good luck and tweet your scores into @twenclosure.