FIRSTLY, PLEASE DON'T TYPE ALL IN CAPS - IT'S THE INTERNET EQUIVALENT OF SHOUTING!!!
Secondly, the worst thing is if the copper were to rape you with a rabid, AIDS-ridden rhino, but the chances of that are unlikely.
To be honest, I don't know and I'd not care to find out.
Assuming this 200m is along a public road - It's too short to justify under any circumstances, so he might think you're just being a piss-taking twat and throw the book at you - Fine, loss of licence, community service. All sorts.
Chances are you'd be cautioned at the very least.
Why only 200m, then?
If it's a girl you want to impress, get your full licence, get a big bike, get her a lid and take her for a proper ride.... Then take her for a 'proper ride'
If it's a mate, tell him to get his own fecking bike!!