1978 BRDC International Trophy

The XXX BRDC International Trophy was a non-championship motor race for Formula One cars held on 19 March 1978 at the Silverstone Circuit, England. It was the 30th running of the International Trophy, and the last to non-Championship Formula One regulations. The race was held over 40 laps of the Silverstone circuit, for a total distance of around 189 kilometres (117 miles).

1978 BRDC International Trophy
Non-championship race in the 1978 Formula One season
The Silverstone circuit in 1978.
Race details
Date	19 March 1978
Official name	XXX BRDC International Trophy
Location	Silverstone Circuit, Northamptonshire
Course	Permanent racing facility
Course length	4.724 km (2.935 miles)
Distance	40 laps, 188.95 km (117.41 miles)
Weather	Heavy rain.
Pole position
Driver	Ronnie Peterson	Lotus-Cosworth
Time	1:16.07
Fastest lap
Driver	Emerson Fittipaldi	Fittipaldi-Cosworth
Time	1:38.63
Podium
First	Keke Rosberg	Theodore-Cosworth
Second	Emerson Fittipaldi	Fittipaldi-Cosworth
Third	Tony Trimmer	McLaren-Cosworth

Although qualifying sessions had been dry, the race was run in torrential rain, resulting in multiple accidents and drivers spinning off. The race was eventually won by Keke Rosberg, his first victory in a Formula One car in only his second ever Formula One race.