It probably hasn't escaped your notice that on Sunday November 20 the Red Bull Rail Storm is taking over London's Trafalgar Square. Teams of snowboarders from all over the world will be battling it out on a series of challenging rails in front of an 8,000-strong audience.

There's a British pro team consisting of Scott McMorris with Tyler Chorlton and James Thorne and a British rookie team - Ben McHugh , Stu Edwards and Sam Cullum. Leanne Pelosi will be also be leading an all-girl team and other riders leading their national teams include Heikki Sorsa, Anton Holland and Eddie Wall.

You can enter the draw to win tickets by visiting www.redbullrailstorm.co.uk and you can also enter our competition to win one of 20 (count em!) pairs of guaranteed entry tickets. Don't worry if you've already applied for tickets through the site - if you win our contest, your entry to the draw will be removed.

To enter, just fill in your details below. The mobile details are just for Red Bull's use as all the tickets come in the form of a text message. We won't give your mobile details to anyone else apart from Red Bull. All entrants will be signed up to the incredibly useful powderroom.net monthly newsletter but you can unsubscribe at any time.

This contest is only open to powderroomies in the UK and all entries must be received by November 10. We'll email you on Nov 11 to let you know if you've won.