My knowledge of pre-30s motor racing isn't that good, so I haven't got round to doing those games. I'm starting off with LA 1932.
Los Angeles 1932 (Grand Prix cars, Pacific Coast Highway)
The motor racing at the Los Angeles games was not the best organized event - the ten kilometre circuit was laid out course. There was no teams event, and only four European cars started the race due to the location. The ten car grid was filled with six local entrants from the US using Indianapolis-spec machinery that were not suited to the twists of the road course. This punched a large hole in the Grand Prix schedule, and participating teams were not pleased with the thought of having to go to Tokyo when it was mentioned for 1940 ...
Individuals
Gold : Tazio Nuvolari (Italy, Alfa Romeo)
Silver : Rene Dreyfus (France, Bugatti)
Bronze : William Grover-Williams (Great Britain, Bugatti)
Berlin 1936 (Grand Prix cars, AVUS)
Following discontent over William Grover-Williams' bronze medal in a French car from the Italians and Germans, drivers can only race in cars of their own nation.
Auto Union beat Mercedes at German Grand Prix, so are selected to represent Germany. Political infighting stops Rudolf Caracciola representing Germany as Mercedes refused to let him race for their German compatriots.
A team event is started, with each nation entering four cars, but only three nations were entered - Germany, Italy and France with four aging Bugattis privately entered by Raymond Sommer. The winners of the team event would be the nation, who got the lowest score when the positions were added up, with a non-finish counted as the number of starters.
Ferrari were more willing to allow Rene Dreyfus to race for Sommer's team, entered as Ecurie France, who came last in the teams event. Reports that Hitler laughed when Dreyfus' engine failed on the last lap of the teams race cannot be verified.
Individuals
Gold : Bernd Rosemeyer (Germany, Auto Union)
Silver : Hans Stuck (Germany, Auto Union)
Bronze : Tazio Nuvolari (Italy, Alfa Romeo run by Scuderia Ferrari)
Teams
Gold : Germany (Auto Union) - Bernd Rosemeyer, Hans Stuck, Rudolf Hasse, Ernst Von Delius.
Silver : Italy (Alfa Romeo run by Scuderia Ferrari) - Tazio Nuvolari, Antonio Brivio, Giuseppe Farina, Carlo Felice Trossi.
Bronze : France (Bugatti, run by Raymond Sommer) - Raymond Sommer, Rene Dreyfus, Jean-Pierre Wimille, Philippe Etancelin.
1940 and 1944 games not held due to the Second World War
The guessing for 1948 can continue, I've got that games ready and haven't posted it. I've done up to and including 1952, after that there will start to be a few butterflies that effect Formula One and motor racing as a whole. If there's enough interest I might bring it up to Beijing 2008.