I think these tracks are going to appear in the game:
Shell Cup
GBA Luigi Circuit
3DS Cheep Cheep Lagoon
GCN Boo Lake
Wii Toad's Factory
Banana Cup
SNES Choco Island 2
Wii DK Summit
3DS Music Park
GCN Dry Dry Desert
Leaf Cup
3DS Piranha Plant Slide
DS Tick - Tock Clock
Wii Grumble Volcano
N64 Royal Raceway
Lightning Cup
GBA Lakeside Park
Wii Moonview Highway
3DS DK Jungle
GCN Rainbow Road
Shell Cup
GBA Luigi Circuit
3DS Cheep Cheep Lagoon
GCN Boo Lake
Wii Toad's Factory
Banana Cup
SNES Choco Island 2
Wii DK Summit
3DS Music Park
GCN Dry Dry Desert
Leaf Cup
3DS Piranha Plant Slide
DS Tick - Tock Clock
Wii Grumble Volcano
N64 Royal Raceway
Lightning Cup
GBA Lakeside Park
Wii Moonview Highway
3DS DK Jungle
GCN Rainbow Road