definitely enjoyed watching that, nice edit man.
here are my critiques:
that wooden walkway part at the beginning was sick, but i watched it like 3 times and still couldn't figure out how it tied in with the rest of the video.
avoid train shots unless they're really banger. same goes for shots of one person hitting multiple features like the one at 1:00. they can just kind of drag on and are a little hard to watch a lot of the time.
don't throw in shots just for the sake of adding length. I would much rather watch a short edit with all good shots than a longer one with some meh shots. In this case, I'm not really talking about the filming but more about the skiing. there were a couple times in there when you could tell the skier came off the rail early, especially in the train shot when i think the last 5 kids all came off early. a shorter vid without those types of clips will be more impressive and make all of you look better.
if you have manual focus on your camera, use it. i really liked that shot at 1:13 and it's too bad that the focus went crazy in the middle of it.
but other than that, really great edit. i thought the song fit really well and it definitely reminded me of how fun it is going night skiing with the crew