Claiming a double century

This is a route that i ride regularly from my house to my parents. Ignoring the beginning and the stuff north of Cambridge, it's an excellent, quiet and pretty route from London to Cambridge.

http://ridewithgps.com/routes/24504

You could always butcher it to add things to the beginning / end.

Also; in.

That looks like a nice route to do, roughly how long does it take you usually?