I'll give it a go ...

Race 1 : $30 O'tonda
Race 2 : $10 Vitesse Dane
Race 3 : $10 I Have No Fear
Race 4 : $10 Cheeky Choice
Race 5 : $10 Gold Edition
Race 6 : $10 My Son Day
Race 7 : $10 Desert War
Race 8 : $10 My Hangover

Total $100