09:555 Live Formula 12014British GP 1st PracticeBBC Radio 5 Live Duration: 1 hour, 40 minutes Fri 4th Jul 2014, 09:55 on BBC Radio 5 Sports ExtraLive commentary on the first practice session for the British Grand Prix.GenresSportFormula OneBrand5 Live Formula 1Series5 Live Formula 1: 2014 Source: BBC Online