You finished first in a race.
You finished a lap in under 120 seconds.
You finished a lap in under 60 seconds.
You destroyed an enemy chariot.
You have won a full season of racing.
You destroyed all enemy chariots, in a single race.
You destroyed all the enemy chariots, in every race of a season.
You finished first in a race, without using a health potion.
You destroyed an enemy chariot, with a whip attack.
You destroyed 5 x enemy chariots, with whip attacks.