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:1 color:red shift:(20,-5) text:Graham Hill (Lap 1) from:1 till:4 color:darkblue shift:(20,-5) text:Jack Brabham (Laps 2-4) from:4 till:10 color:black shift:(20,-5) text:Jim Clark (Laps 5-10) from:10 till:13 color:red shift:(20,-5) text:Graham Hill (Laps 11-13) from:13 till:23 color:black shift:(20,-5) text:Jim Clark (Laps 14-23) from:23 till:end color:darkblue shift:(20,-5) text:Jack Brabham (Laps 24-80)