Reimian Empire

What determines a character's success in hippodrome competitions?

It depends on the horse itself, plus the following rider modifiers:
Dexterity/10 - Dexterity/4
Strength/10 - Strength/7
Will/10 - Will/7
Aristocrat - +1-11
Arid +3
Nobility - +2-6
Seraphol +2-6
Dreyeria +3
Imperial Military Academy - +1-10
IIM +2
Path of the Warrior +2
Ninja +4
Sohei +2
Assassin +4
Camelot Knight +2
Traveler +3
Rogue +3