The List Of Cups And Races In Them:

Nitro Grand Prix:

Mushroom Cup:
1)Figure-8 Circuit
2)Yoshi Falls
3)Cheep Cheep Beach
4)Luigi's Mansion

Flower Cup:
1)Desert Hills
2)Delfino Square
3)Waluigi Pinball
4)Shroom Ridge

Star Cup:
1)DK Pass
2)Tick-Tock Clock
3)Mario Circuit
4)Airship Fortress

Special Cup:
1)Wario Stadium
2)Peach Gardens
3)Bowser Castle
4)Rainbow Road

Retro Grand Prix:

Shell Cup:
1)Mario Circuit 1 SNES
2)Moo Moo Farm N64
3)Peach Circuit GBA
4)Luigi Circuit GCN

Banana Cup:
1)Donut Plains 1 SNES
2)Frappe Snowland N64
3)Bowser Castle 2 GBA
4)Baby Park GCN

Leaf Cup:
1)Koopa Beach 2 SNES
2)Choco Mountain N64
3)Luigi Circuit GBA
4)Mushroom Bridge GCN

Lightning Cup:
1)Choco Island 2 SNES
2)Banshee Boardwalk N64
3)Sky Garden GBA
4)Yoshi Circuit GCN

Note- You have to unlock the last 2 of each Grand Prix