sentences:  McKenzie has hosted several programmes, including three seasons of Sky Sports' A1 Grand Prix coverage, as well as the world feed coverage.A lifelong motorsport and "any sports" fan, McKenzie has presented several programmes on ITV, Channel 4 as well as Sky Sports, including the live Sunday afternoon show "Speed Sunday" and the British Superbike Championship (BSB).In 2006, McKenzie travelled over – five times round the world – covering both the Formula One and the A1 Grand Prix.