Normal Version: http://www.mediafire.com/download/kdef4mk0b8bc63p/DS+Shroom+Ridge+%28Applewood+Derby+Remix%29.mp3
Final Lap Version: http://www.mediafire.com/download/h48bw3rrzm1fb0j/DS+Shroom+Ridge+%28Applewood+Derby+Remix%29+FINAL+LAP.mp3

I got some Mario Kart and Wacky Racers vibes after watching the new episode. To be honest, I think Rainbow Dash's cart was the fastest. Here is a pony remix of Shroom Ridge, with Rarity's Art of The Dress.

MLP by Hasbro
Mario Kart by Nintendo