10 week of 1993

Circuit/Rally Championship Date Winers Chassis
Italy Castiglione del Lago Motocrossowe Mistrzostwa Świata 250cc 1993.03.14 Honda
Mexico Guadalajara Mexican Formula Three Championship 1993.03.14 Reynard 903 - Alfa Romeo
Germany Hockenheimring Swiss Formula Three Championship 1993.03.14 Dallara F392 - FIAT
South Africa Kyalami Formula One World Championship 1993.03.14 Williams FW15C - Renault