List of challenge cards in Mario Kart Tour
These challenges were first introduced in the Cooking Tour. A single set lasts for twelve weeks, which is the exact same duration of six consecutive tours. Since the Mario vs. Luigi Tour, every new set of expert challenges has started in a Team Rally tour.
* - "Earn a score of 18,000 or higher on 5 courses." prior to the start of the 2020 Los Angeles Tour
Event challenge cards
These challenge cards were only available during certain events.
1.5 Year Anniversary Challenges
These challenges were being made available during the Summertime Celebration event that took place during the Summer Tour, the 2021 Los Angeles Tour and the Mario vs. Peach Tour, three consecutive tours.
Permanent challenge cards
These challenge cards were made available on certain tours and haven't been removed ever since.
These challenge cards were available since the very first tour, the New York Tour.