2015 Britcar 24 Hours Silverstone: 2015 Silverstone Dunlop Britcar 24 Hour. Silverstone, Northamptonshire. 24th - 26th April 2015. Start. #12 - Lawrence Tomlinson (GB)/Mike Simpson (GB)/Sir Chris Hoy (SCO)/Charlie Robertson (GB)/Caetan Paletou - Team LNT, LMP3, Ginetta LMP3, leads #10 - Laurence Wiltshire (GB)/Chanin Nouri (SW)/Martyn Smith (GB)/Richard Roberts (GB) - Radical Sportscars, LMPX, Radical RXC V8, #10 - Laurence Wiltshire (GB)/Chanin Nouri (SW)/Martyn Smith (GB)/Richard Roberts (GB) - Radical Sportscars, LMPX, Radical RXC V8, #4 - Witt Gamski (GB)/Phil Dryburgh (SCO)/Joe Macari (GB)/Rory Butcher (SCO) - MJC, GT2, Ferrari 430 GT2 and #8 - Sam Mowle/Frank Pelle/Peter Cook/Adam Sharpe - Colin Mowle, Audi R8 on the opening lap. World Copyright: Zak Mauger/LAT Photographic. ref: Digital Image _L0U9998