You can see it by pressing L, R, L, R, X, Y, X, Y, Z once it gives you options after the race in Time Trials. http://www.fastswf.com/IA9lJeQ for the decoder.
For Example: SZ6TJKLJ3UI6M6XB Mario Circuit 02:02.233 Red Fire 00:39.991 Mario Paratroopa Post your code and decoded results in the comments!
