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:22 color:yellow shift:(20,-5) text:Alain Prost (Laps 1–22) from:22 till:23 color:skyblue shift:(20,-5) text:Alan Jones (Lap 23) from:23 till:end color:yellow shift:(20,-5) text:Alain Prost (Laps 24–72)