Top rated challenges

Superintendent! I was just, uh...stretching my calves on the windowsill! Isometric exercise! Care to join me?

Steamed Hams! : Survive more than 20s

Quick!

Rainbow Road! : Complete the track in less than 2:00

Coupe Or

Mario Kart 1 (O) - Star Cup : Get the gold cup

With 8 participants

Maître de l'Île

Island's Circuit : Complete the track in less than 1:00 in Time Trial mode

fin de la gorge!!!

Wii Gorge Champignon : Complete the track

Pipe Finder

Mario Drift : Find the pipe in less than 16s

Oof

Chomp Run : Get to the secret item blox place

Défi zig-zag

Route arc-en-ciel 16 : Atteignez les virages tordus.

Left Path

MK9 Toad Town : Drive To Lane 1 in less than 10s

Take Another Route!

Dire Dire Docks : Use The ShortCut without falling

Im Number One!

Dire Dire Docks : Finish in the 1st position in VS mode

Le paumé

Items Factory : Se perdre dans un endroit inconnu du circuit

The Winner

ToyLand Raceway : Complete the track in less than 1:37 in Time Trial mode

No Touching!

MKT Los Angeles Laps : Complete the track without touching any Train, bus, Deep Cheep , Cheep-Cheep, crab, tree nor Stop Sign

No Death Challenge

BOO Jumps : Complete a lap in Time Trial mode, in 150cc, with Koopa, without making tricks, without falling, without drifting, without using any item

Luigi Wins by doing Absolutely Nothing.

Auto Arena : Finish the game in the 1st position without turning, without drifting, without touching the walls, without falling, without going backwards, with Luigi

With 8 participants

Molten Coins

Bowser Castle 1 DX : Collect all coins in Time Trial mode, in less than 40s

Wii U Toad Harbor : Collect all coins

I can't believe this course wasn't made earlier...

ErHecks : It's legit in the title...

Doggys Arrest

Bunny Kart : Make at least 3 points in 1 race in VS mode, with 2 participants

No teams