List of GBA Bowser's Castle 3 tour appearances in Mario Kart Tour

This page details the tour appearances of GBA Bowser's Castle 3 and its versions in Mario Kart Tour.

Bowser Tour
In the Bowser Tour, Bowser's Castle 3 was one of the two signature courses of the Bowser Tour, the other being RMX Bowser's Castle 1, but unlike the latter course, it also served as the tour's spotlight course. It appeared as the first course in the Bowser Cup, the second course in the Shy Guy Cup, and the location of the bonus challenge in the Mii Cup. Its T variant appeared as the third course in the Funky Kong Cup and the second course in the Yoshi Cup, and its R variant appeared as the third course in the Koopa Troopa Cup and the first course in the Peachette Cup.

Mario vs. Luigi Tour (2022)
In the 2022 Mario vs. Luigi Tour, Bowser's Castle 3 appeared as the first course in the Mii Cup and the location of the bonus challenge in the Pauline Cup. Its T variant appeared as the second course in the Toadette Cup, and its R variant appeared as the third course in the Toad Cup.

Peach vs. Bowser Tour (November–December 2022)
In the November–December 2022 Peach vs. Bowser Tour, Bowser's Castle 3 appeared as the third course in the Iggy Cup, the location of the bonus challenges in the Diddy Kong Cup and the Baby Luigi Cup, and the location of the tour's Coin Rush. Its R variant appeared as the first course in the Bowser Cup, and its T variant appeared as the first course in the Dry Bowser Cup.

New Year's Tour (2023)
In the 2023 New Year's Tour, Bowser's Castle 3's R/T variant appeared as the third course in the Mario Cup and the first course in the Bowser Cup.