F1 Championship leaders
Drivers’ Championship
| # | Grand Prix | Leader | Lead |
|---|---|---|---|
| 1 | Switzerland | (ARG) Juan Manuel Fangio | 3 |
| 2 | Indianapolis 500 |
| 0 |
| 3 | Belgium | (ITA) Giuseppe Farina | 2 |
| 4 | France | (ARG) Juan Manuel Fangio | 1 |
| 5 | Britain | (ARG) Juan Manuel Fangio | 6 |
| 6 | Germany | (ARG) Juan Manuel Fangio | 10 |
| 7 | Italy | (ARG) Juan Manuel Fangio | 2 |
| 8 | Spain | (ARG) Juan Manuel Fangio | 6 |
- First time as championship leader
- Lee Wallard (first American driver to lead the championship)
- Last time as championship leader
- Giuseppe Farina
- Lee Wallard
- Last time as championship leader until…
- 1954 for Juan Manuel Fangio
- Last time as championship leader by a…
- American driver until 1953
- Argentine driver until 1954
Constructors’ Championship
The Constructors’ championship did not begin until 1958.