New course

A Nitro Course is a course in the Mario Kart series that has never appeared before, thus making them new courses. They have appeared in every Mario Kart title.

Lightning Cup
NOTE: From Mario Kart DS onwards, it is the last cup of the Retro Courses.

Trivia

 * The Triforce and Egg cups are the first cups to include both nitro and retro courses.
 * The four worlds after World Bowser in Super Mario 3D World resemble the Nitro Cups (World Mushroom for Mushroom Cup, Flower for Flower Cup, Star for Star Cup and Crown for Special Cup).