At the password screen:

Password - Effect

PWRWVWHNM-30 - Race 1
XMQIYSKAS-80 - Race 2
UVQSNPBCM-70 - Race 3
CWVBQPCAV-50 - Race 4
SFXUXXXXP-60 - Race 5
HSYWYSKCG-50 - Race 6
IVVEMMKOZ-50 - Race 7