Challenges completed by yowhatsup

Difficult!

Squeaky Clean Sprint : Complete the track in less than 1:27 in Time Trial mode, in 150cc class

This is too easy.

Ice Ice Outpost : Complete the track in less than 2:00 in 150cc class, in Time Trial mode

Airport

Sunshine Airport : Collect all coins in 150cc class, in Time Trial mode, in less than 1:00

Take Four Shortcuts !

Mushroom Gorge : Take 4 Shortcuts in 150cc class, without falling

Delfino Square : Complete the track in less than 1:25 in Time Trial mode

Yoshi Falls : Complete the track in less than 50s in Time Trial mode