The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
All Tracks Open
8009db720202
8009db740202
8009db760202
8009db780202
8009db7a0202
8009db7c0202
8009db7e0202
8009db800202
8009db820202
8009db840202
8009db860202
8009db880202
8009db8a0202
8009db960202
8009db980202
All Cars Open
8009db560202
8009db580202
8009db5a0202
8009db5c0202
8009db5e0202
8009db600202
8009db620202
8009db640202
8009db660202
8009db680202
Always Place 1st
800987fa0000
Extra Modes and Cups
8009db3e0100
8009db400101
8009db420101
Infinite Time
800987bc2a00
Extra Cars
50000a020000
8009db560202
Extra Tracks
500014020000
8009db720202