Feeling confident about your Kinect Sports prowess? Want to put it to the test? Microsoft UK is offering you the chance to do just that by taking on Olympic gold medal-winning sprinters Linford Christie and Mark Lewis-Francis.

Winners of the competition will go head-to-head with the sprinters on Kinect's flagship sports title, with the runner-up winning a Video Kinect chat with Christie and Lewis-Francis. How do you enter? Read on for Microsoft's official rules:

To be in with a chance to take on Linford and Mark, or take part in the live video chat, plus win a 4GB Kinect console bundle, simply enter via Twitter! All users need to do is follow @tweetbox360 and upload a picture of yourself playing “Kinect Sports”, or what you think you would look like playing the game, with the tag #KinectSportsGWF, whilst describing in less than 140 characters why you think you should win - bonus points will be given for the most dynamic running poses. Competition closes Monday 24 January. Terms and conditions apply - see http://www.facebook.com/KinectSports?v=app_7146470109 for more detail

The face-off is scheduled for Sunday, January 30th so there isn't much time to practise your sprinting. Good luck to everyone who enters.

LONDON – 13 January 2011 – Do you think you have the ability to beat an Olympic 100 metre gold medallist on the running track? No? Well how about the running track on “Kinect Sports”? More hopeful? Kinect for Xbox 360 is providing an exclusive prize which will offer one family the ultimate “Kinect Sports” challenge. The winning family will win the chance to test their athleticism, by competing face-to-face against gold medal winners, Linford Christie and Mark Lewis-Francis, as part of “Kinect Sports” ‘Game with Fame’, whilst a runner-up family will win an exclusive video chat with the Olympic stars from their own living room via Video Kinect.

With the New Year comes new challenges, and if one is to get your family up off the sofa and get moving then “Kinect Sports” is the way to do it. You will have the opportunity to try a variety of track and field events against Linford Christie and Mark Lewis-Francis, and perhaps get a few running tips from the masters themselves.

With “Kinect Sports” you’re not only the star player, you are the controller — through the magic of Kinect for Xbox 360. The first full-body, controller-free sports game that lets you physically compete with friends over Xbox LIVE, “Kinect Sports” lets you turn your living room into a world-class stadium, bowling alley, football pitch or track and field arena. See a ball? Kick it. Spike it. Bump it. Even give it a little topspin.

To be in with a chance to take on Linford and Mark, or take part in the live video chat, plus win a 4GB Kinect console bundle, simply enter via Twitter! All users need to do is follow @tweetbox360 and upload a picture of yourself playing “Kinect Sports”, or what you think you would look like playing the game, with the tag #KinectSportsGWF, whilst describing in less than 140 characters why you think you should win - bonus points will be given for the most dynamic running poses. Competition closes Monday 24 January. Terms and conditions apply - see http://www.facebook.com/KinectSports?v=app_7146470109 for more detail.*

*Competition opens on Monday 10 January and will close 12noon Monday 24 January. The winner and runner-up will be contacted by end of day 25th January via Direct Message on Twitter and will need to be available on Sunday 30th January to ‘Game with Fame’, with a Kinect and Xbox 360 provided. T&Cs can be found on http://www.facebook.com/KinectSports?v=app_7146470109.