0:20 - edgebug/surf and dont hit the trigger
0:27 - can definitely save some time at the spin, keep more speed and enter it crouched for minimal airtime
0:42 - don't go on top, use the slopes to get extra speed and cut the corners closer
0:45 - maybe boost 1/2 more times this will allow you to keep speed at 0:54 by going under
0:54 - ^
1:42 - try keeping more speed through the tele
1:47 - circle around the other way and go through the small gap
2:02 - cut that corner closer, no point in stalling so much
(2:12 - hit the slope for extra speed)
2:17 - edgebug the first few drops
2:59 - Don't crouchbug.
3:15 - go straight to the top or use https://www.youtube.com/watch?v=EPvVx-ft2aU&feature=youtu.be&t=231