"Oh sorry" sarcasm like that will only win you enemies. It's quite clear that you don't use all possible shortcuts. I get 853 because I have refined my technique to the point where I can. You have the route, and I have posted descriptions of the technique required. Read up and then practice. Practice turning in a sub-bikelength radius (hint: stop the bike, then without pedalling tilt the Wiimote as if you want to make a normal sharp turn), riding long distances in a straight line, using the pet to get flags, re-belling the pet to get further-away flags, etc. All these techniques are documented somewhere on these forums, or on the wiki.

And practice. I spent many hours (not all at one session, mind you) working all this out and developing my technique.

I changed the score back to 853.

I don`t see how this is possible. I turn in sub-bikelengths and went inbetween 10 and 11 but still haven`t beaten my record.