First runs are always uncertain. Some horses take to racing immediately and show real promise; others need time to learn what it is all about. For now, Earthwarming is an unknown quantity, and that uncertainty is part of what makes a debut interesting. The yard will have prepared the horse carefully for this moment, and we will find out soon enough whether all that work has produced something special or simply another runner learning its trade. Either way, it is a start — and every champion once stood exactly where this horse stands now.