The 15th BRDC International Trophy was a motor race, run to Formula One rules, held on 11 May 1963 at the Silverstone Circuit, England. The race was run over 52 laps of the Silverstone Grand Prix circuit, and was won by British driver Jim Clark in a Lotus 25.
|1963 BRDC International Trophy|
|Non-championship race in the 1963 Formula One season|
|Date||11 May 1963|
|Official name||XV BRDC International Trophy|
|Location||Silverstone Circuit, Northamptonshire|
|Course||Permanent racing facility|
|Course length||4.711 km (2.927 mi)|
|Distance||52 laps, 244.972 km (152.204 mi)|
- "The Grand Prix Who's Who", Steve Small, 1995.
- "The Formula One Record Book", John Thompson, 1974.