Challenges completed by MarioandSonicFan123
Speed of Light
Running in the 90's : Complete the track in less than 0:48:800 in Time Trial mode, with Birdo, without falling

The 1st to the end
1 oval of pain : Finish in the 1st position without drifting, in less than 15s
With 8 participants, in difficult mode

Hurrying to become a Snack
Piranha Desert (Complete Edition) : Get eaten by the circle of Piranha Plants in Time Trial mode, in less than 7s

1st place
jumpin' ghosts : Finish in the 1st position in 1st place
With 8 participants, no teams

No falling
jumpin' ghosts : Complete the track without falling
With 8 participants

fast 41
Road Race : Complete the track in less than 41s

We Did It Yoshi!
Yoshi's Sky Island : Complete the track in Time Trial mode, with Yoshi, without drifting, without making tricks, without falling

The Yoshi Record
Yoshi's Sky Island : Complete the track in less than 2:40 in Time Trial mode, without falling

Yoshi Turning Over The Sky
Yoshi's Sky Island : Finish in the 1st position in VS mode, without falling, with 13 participants, with Yoshi, in medium mode
No teams

Yoshi's Racing Legend
Yoshi's Sky Island : Complete the track in less than 1:50 in VS mode, with Yoshi, in 1st place
With 8 participants, no teams

Shortcut In The Moves
Yoshi's Sky Island : Go And Find The Secret Shortcut After The Boost Panel in Time Trial mode, with Yoshi

mission impassible
mario : Complete the track in less than 10:00

man
mario : Finish in the 1st position

gfdtr
Spécial : Complete the track in less than 6:00
No teams

Koopas Journey
Sandy Turns : Complete the track in less than 1:50 in Time Trial mode, without drifting, without making tricks, with Koopa

LOL
Le labirinte : Finish the game with 3 balloons or more
No teams

LOL
Mario Kart Custom : Make at least 15 points in 4 races in Grand Prix mode, in different circuits

Escaping the Forest of Illusion
Forest of Illusion : Complete the track in Time Trial mode

Escaping the Forest of Illusion (Limited Time)
Forest of Illusion : Complete the track in less than 1:30 in Time Trial mode, without making tricks

Speedrunner (alt name: i am speed)
oof : Complete the track in less than 21s in Time Trial mode
