Special Time Trial
At the Main Menu, highlight Time Trial and press Right, Left, Up, Down, Z.

Course Select
Start a game, enter the Options screen and choose mode select. Highlight Options and press R, R, L, R, R.

Reversed Tracks
Finish in first place on all the courses in endurance mode.

Super Cycle
Win the cup on any course. Race the course again and beat that record by at least 1 minute 29 seconds