ShowbizGet urban at SelfridgesTony Beckton11 April 2012To celebrate the opening of the new urban area of their sports department,SelfridgesToday sees the erection of a half-pipe skateboarding ramp in the car park, with displays from Neil Urwin, Greg Finch and Mark Brewster.Sunday sees a display of street dancing from Young Impact Performers, who will provide a non-stop five-hour dancing marathon to raise money for the street dance festival Dance 'Til You Drop, to be held in Camden this August.Selfridges400 Oxford Street W1, noon to 6pm. Tel: 020 7629 1234. Friday and Saturday, June 14 and 15Tube: Bond StreetMORE ABOUTDanceLong-distance Track RunningMarathonOxford Street (London)Selfridges