Top rated challenges

Run

Moonson Sandstorms : Complete a lap in Time Trial mode, in 150cc, in less than 25s, without touching any Thunder Pokey, Dead Gamba nor Lightning, without falling

get to 1st with mario in 200cc

rainbow road but gba : Finish in the 1st position in VS mode, in 200cc, with Mario

With 8 participants

-iz- is no.1 rigid lover

Sherbet Land : Collect all coins in VS mode, without touching any Ice Chomp nor Very throwable baby Penguin, in less than 42s, without touching the walls

Super Luigi Kart : Get 1 gold cup

Collect coins

It looks impossible... but it is not. : Collect all coins in less than 50s

Rapide

Lost Island : Complete the track in less than 30s in 150cc, in VS mode, with 1 participant

Go to :P

Ocean Blue Track : :P in 500cc, in less than 4s

STAFF GHOST: Wario's Bizarre Circus

Wario's Bizarre Circus : Finish in the 1st position in VS mode, in 200cc, without reverse drifting

In difficult mode

Whack-A-Boo

SNES Ghost Valley 1 : Destroy 9 Boos in Time Trial mode, in 150cc, with Luigi, without falling, in less than 20s

Shroomless Double Gap Jump!

DK Summit : Make the double gap jump in Time Trial mode, without touching the walls, without falling

150cc Time to Beat

Sky Garden : Complete the track in less than 1:20 in Time Trial mode, in 150cc

Drifting? Nuh uh!

Castleview Raceway : Finish in the 1st position in 150cc mirror, without drifting

Go Go Go!

A Circuit : Complete the track in less than 1:50 in Time Trial mode, in 150cc

Beat Super Sonic's Best Time

Escape From the City : Complete the track in less than 45s in Time Trial mode, in 200cc

Super Mario Bros. 35

Retro Raceway : Finish in the 1st position in VS mode, in 150cc, with SMB Mario, in extreme mode, with 35 participants

No teams

Coin-Collectin' Madness

Mario Kart XXL : Collect all coins in Time Trial mode, in 150cc, in less than 1:00

Kongs Attack!

GCN Dino Dino Jungle : Finish in the 1st position in VS mode

In difficult mode, no teams

Grab the Coins!

Mario Circuit 1 : Collect all coins in Time Trial mode, in 150cc, with Mario, in less than 1:00

first challenge

first circuit : Collect all coins in Time Trial mode, in 150cc, with Koopa, without drifting, without going backwards

Box Break

Snowdin Course : Hit all item boxes in 150cc, in VS mode, in less than 50s, without using any item, with 1 participant