Colors = id:canvas value:rgb(0.937,0.937,0.937) id:linemark value:gray(0.8) id:linemark2 value:gray(0.9) BackgroundColors = canvas:canvas PlotData = mark:(line,linemark) from:start till:12 color:red shift:(20,-5) text:Didier Pironi (Laps 1–12) from:12 till:19 color:skyblue shift:(20,-5) text:Alan Jones (Laps 13–19) from:19 till:end color:yellowgreen shift:(20,-5) text:Carlos Reutemann (Laps 20–54)