40 week of 1981

Circuit/Rally Championship Date Winers Chassis
Italy Autodromo Internazionale del Mugello Mistrzostwa Europy Formuły 3 1981.10.04 Martini MK34 - Toyota
Italian Formula 3 Championship 1981-10-?? Martini - Toyota
Germany Nürburgring 24 Hours Nürburgring 1981.10.04 Ford Capri
United States Riverside Can-Am 1981.10.04 Holbert CAC-2 - Chevrolet
American Formula Super Vee Championship 1981.10.04 Ralt RT5 - Volkswagen
France Rouen-les-Essarts French Formula 3 Championship 1981.10.04 Martini - Toyota
United Kingdom Silverstone Circuit Brytyjska Formuła 3 1981.10.04 Ralt RT3 - Toyota
Formuła Ford 1600 (BRDC) 1981.10.04 Van Diemen RF81 - Ford
Italy Vallelunga Italian Formula 3 Championship 1981.10.01 March - Alfa Romeo
United States Watkins Glen Indy Car World Series 1981.10.04 Penske PC-9B - Cosworth
Switzerland Rajd du Valais European Rally Championship 1981.10.04 Opel Ascona 400