[ButThreeLeftsDo]

Unaided?

He had skis!

;-)

[SunkenCiv]

Yeah, really. For generations, kids had to cross Antarctica, barefoot, just to get the one-room schoolhouse. And it was uphill both ways.

[Robert A Cook PE]

Had a graded, well-marked road too.

Still, it was difficult. And stupid.

[TChad]

Unaided? He had skis!

He was also aided by the 400 lb. sled. He had to pull it, but still.