I'm sure most jurisdictions instruct police officers NOT to chase motorcycles that run from a minor traffic offense, just not worth the chance of some innocent person dying to write a speeding ticket. Of course if they got your plate number you are screwed and only on curvy backroads like this would it be safe to run and claim ignorance that you did not realize you were being followed (since the cop could clearly never keep up in the twisties).
I do not condone running from police for any reason.
EDIT: after watching that a second time I'm confused, how did the bike get turned around originally? The cop was chasing him to the right and then he's chasing him to the left (which means the rider had to have known) but the rider does not appear to be pushing it, just riding at a leisurely (spirited) pace. lol.