Interesting question particularly because it clearly says on his pantaloons, "wheels up" and that would indicate that he is accustomed to an airplane. Or, is he totally oblivious to the fact that horses do not have wheels? Either way, it's many congratulations and cudos to the horse for indeed it was he who won the race and could have done it much easier if there wasn't an extra 110 lbs or so on his back.
True, or, at least, he seems to think of himself and of any race he takes part in as if he (and the horse) were flying and/or wants the spectators to make that connection.