As we know that Romans were addicted to war game competitions so they organized every sort of those games and competitions in their land.
A gate was discovered in Central Anatolia (in Konya). A horse and an inscription were put on the rock. It is about a competition that was organized in the name of a young cavalry who died young. The rules of this competition were mentioned. It was constructed in Roman Empire period.
The competitions such as this one were aimed to keep soldiers and public ready for the war times. We know that peaceful periods were short in ancient era.