<?xml version="1.0"?> <challenge version="2"> <track id="xr591" laps="2"/> <mode major="single" minor="quickrace"/> <requirements trophies="135"/> <hard> <karts number="1"/> <requirements energy="16" time="135"/> </hard> <medium> <karts number="1"/> <requirements energy="14" time="155"/> </medium> <easy> <karts number="1"/> <requirements energy="12" time="170"/> </easy> </challenge>