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:end color:yellow shift:(20,-5) text:Alain Prost (Laps 1–52) The 1981 Italian Grand Prix was a Formula One motor race held at Monza on 13 September 1981. Formula One returned to the Monza circuit after a year's absence; the previous Italian Grand Prix had been held at the Imola circuit.