Lewis Hamilton topped the first morning session of the third pre-season Formula 1 test at Barcelona. In a session afflicted by several rain showers, drivers constantly switched between wet and intermediate rubber
Source: http://www.iracing.com/inracingnews/formula-one-news/f1-formula-one-news/hamilton-fastest-at-rain-hit-barcelona
Peter Hirt David Hobbs Gary Hocking Ingo Hoffmann
