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 .

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.

Classification

Qualifying Pos. No. Driver Constructor Q1 Q2 Gap 1 6 Ronnie Peterson Lotus-Ford 1:16.85 1:16.07 — 2 1 Niki Lauda Brabham-Alfa Romeo 1:17.47 1:16.43 +0.36 3 5 Mario Andretti Lotus-Ford 1:16.60 1:17.19 +0.53 4 7 James Hunt McLaren-Ford 1:16.85 1:17.18 +0.78 5 30 Brett Lunger McLaren-Ford 1:19.13 1:17.77 +1.70 6 3 Patrick Depailler Tyrrell-Ford 1:18.64 1:17.98 +1.91 7 16 Hans Stuck Jr. Shadow-Ford 1:21.48 1:18.15 +2.08 8 14 Emerson Fittipaldi Fittipaldi-Ford 1:18.44 1:18.92 +2.37 9 38 Derek Daly Hesketh-Ford 1:19.57 1:18.88 +2.81 10 18 Rupert Keegan Surtees-Ford 1:18.96 1:19.10 +2.89 11 32 Keke Rosberg Theodore-Ford 1:19.03 1:19.54 +2.96 12 28 Emilio de Villota McLaren-Ford 1:19.85 1:19.36 +3.29 13 22 Jacky Ickx Ensign-Ford 1:21.18 1:20.00 +3.93 14 31 René Arnoux Martini-Ford 1:20.34 1:20.09 +4.02 15 40 Tony Trimmer McLaren-Ford 1:20.51 1:20.43 +4.36 16 17 Clay Regazzoni Shadow-Ford 1:20.63 1:21.26 +4.56 DNQ 24 Divina Galica Hesketh-Ford 1:28.45 1:23.07 +7.00Source:

Race

Pos Driver Entrant Constructor Laps Time/Retired Qual 1 Keke Rosberg Theodore Racing Theodore-Cosworth 40 1:12:49.02 11 2 Emerson Fittipaldi Copersucar Fittipaldi Fittipaldi-Cosworth 40 + 1.88 8 3 Tony Trimmer Melchester Racing McLaren-Cosworth 37 + 3 Laps 15 4 Brett Lunger BS Fabrications McLaren-Cosworth 37 + 3 Laps 7 5 Rupert Keegan Durex Team Surtees Surtees-Cosworth 31 + 9 Laps 10 NC Hans Stuck Jr. Villiger Kiel Team Shadow Shadow-Cosworth 25 + 15 Laps 5 Ret Derek Daly Olympus Hesketh Hesketh-Cosworth 12 Accident 9 Ret Divina Galica Olympus Hesketh Hesketh-Cosworth 11 Accident DNQ* Ret Emilio de Villota Centro Asegurador McLaren-Cosworth 9 Clutch 12 Ret Patrick Depailler Team Tyrrell Tyrrell-Cosworth 4 Accident 6 Ret Mario Andretti John Player Team Lotus Lotus-Cosworth 2 Accident 3 Ret Ronnie Peterson John Player Team Lotus Lotus-Cosworth 2 Handling 1** Ret Jacky Ickx Tissot Ensign Ensign-Cosworth 1 Spun off 13 Ret Clay Regazzoni Villiger Kiel Team Shadow Shadow-Cosworth 0 Spun off 16 Ret James Hunt Marlboro Team McLaren McLaren-Cosworth 0 Spun off 4 DNS Niki Lauda Parmalat Brabham Brabham-Alfa Romeo Spun off in warm-up 2 DNS René Arnoux Automobiles Martini Martini-Cosworth Withdrew 14 DNA Jochen Mass ATS Wheels Racing ATS-Cosworth DNA Lamberto Leoni Tissot Ensign Ensign-Cosworth DNA Arturo Merzario Merzario Racing Merzario-Cosworth DNA Guy Edwards Team March March-Cosworth

* Failed to qualify, but started as first reserve driver after Lauda and Arnoux withdrew. ** Started from the pit lane.

References

Sources BRDC International Trophy www.silhouet.com