Last published challenges
Cherry
Fire Hydrant : Finish the game in the 1st position without drifting

Bowser's Ultimate Shortcut
Bowser's Twisted Castle : Complete the track in less than 1:10

TACOEHTYRAG
Taco Bell : Finish the game in the 1st position

Mmmm...
Taco Bell : Finish the game in the 1st position with 4 participants

T A C O
Taco Bell : Collect all coins

yes
e : Hit 12 opponents with 30 participants
No teams

Staff Ghost For Icy Way
Icy Way : Complete the track in less than 1:10 in Time Trial mode

All the Gold
Competetive Park : Collect all coins

Les 40 zones
Poison island : Trouver les 40 zones with Peach

Professional Plumber
MK1(O) - Dragon Bay / Baie du Dragon : Collect all coins with Luigi, without touching any Blue Shell, without falling

Turbo Drifting Toad!
Bowser's Arena : Finish the game in the 1st position with Toad, without falling, by performing 20 Mini-Turbos
With 8 participants

Link, Aren't You Supposed To Collect Rupees?
Figure Red And Blue Circuit : Collect all coins in Time Trial mode, with Link, in less than 0:28:999, without touching any oil spill, Goomba nor pipe

the clock cheek
Nes Nathens Clock factory : drive through all clocks in Time Trial mode

Treasure Hunt!!
Salty Sea : Find the treasure before the pirates do!! Some say the trees will lead the way on this island... in Time Trial mode, in less than 1:00

Bowser Junior's Speed Pills
Bowser Junior Derby : Complete the track in less than 1:00

Moron's Random Course (2) : Complete the track in less than 1:20
No teams

Mario Maker Speedrun Level
The 1,000 IQ Super Mario Quiz : Complete the track in less than 21s

Aced it!
The 1,000 IQ Super Mario Quiz : Complete the track by falling at most 6 times

*gasp* IT'S AN IMPOSTER! EMERGENCY MEETING!
The 1,000 IQ Super Mario Quiz : Go in the CPU Zone.

We're all human...
The 1,000 IQ Super Mario Quiz : Get a question wrong.
