Some slider shots were very good, but others stopped panning/sliding while riders were still in frame, distracting.
Framing was mediocre. At times the first jump would be framed nicely, then the roost berm after would be framed poorly.
Too many static shots. Static shots are ok with interesting angles, or focus pulls, but those angles were straight on and meh.
Try to get tighter with your pans. It will look faster.
Don't use overused songs.
Good work though!