The racer names have been translated:
The Iron-Masked Runner
Throw-Down Dina
Sweet Cat
The Novice Soldier
Throw-Down Dina is wordplay, as the first half of the phrase suggests abandonment or neglect, while the second is a sudden reversal in sumo wrestling that can be likened to a huge comeback. Perhaps Green Ambler is coded to fall behind and make a big rush ahead, if anyone wants to watch a few races.