The skiing was good. You cut well to the song and the style matched. You definitely shouldn't have cropped. It's pretty obvious that you didn't shoot with the crop in mind and you got some pretty ugly framing going on.
Also I don't know if you were using warp stabilizer or if you were shooting on a handycam with IS but you got some weird shake and warp stuff happening.
Not the biggest fan of the yellow color grade either. It didn't really fit the style or set the mood. You have to do these kind of things with a motive, not just because you can.
Solid edit with good skiing, these are just a few things that stood out to me.