15:555 Live Formula 12017Mexican GP 1st PracticeBBC Radio 5 Sports Extra Duration: 1 hour, 10 minutes Fri 27th Oct 2017, 15:55 on BBC Radio 5 Sports ExtraLive coverage of the first practice session ahead of the Mexican Grand Prix.GenresSportFormula OneBrand5 Live Formula 1Series5 Live Formula 1: 2017 Source: BBC Online