Quick Start
This trick assumes the game is under the default controller setting. When "Go" appears during the countdown at the start of a race, press R + A. If done correctly, you will get a faster start and a four-second boost.

Retry Jackpot Bonus
Complete a race in championship mode, then save your game. If you are awarded the jackpot bonus, but lose, simply reload your saved game to try again. Full pause screen Pause the game and press X + Y.