Very fun, very interesting; I get why you would hate the background music but it wasn't that bad. At least you had background music AND a compelling mechanic.
The one odd thing I noticed is that the speed on skater 2 seems to be out of sync with skater 1, but that's fine considering the physics, and actually makes it seem like a different person, which may or may not have been intentional but certainly could be a selling point.
The challenge is perfect and the visuals are clean and sharp.
Really nice work on this one.