F1 Championship leaders
Drivers’ Championship
| # | Grand Prix | Leader | Lead |
|---|---|---|---|
| 1 | South Africa | (USA) Mario Andretti | 3 |
| 2 | Spain | (GBR) Jackie Stewart | 6 |
| 3 | Monaco | (GBR) Jackie Stewart | 14 |
| 4 | Netherlands | (GBR) Jackie Stewart | 5 |
| 5 | France | (GBR) Jackie Stewart | 14 |
| 6 | Britain | (GBR) Jackie Stewart | 23 |
| 7 | Germany | (GBR) Jackie Stewart | 32 |
| 8 | Austria | (GBR) Jackie Stewart | 32 |
| 9 | Italy | (GBR) Jackie Stewart | 28 |
| 10 | Canada | (GBR) Jackie Stewart | 31 |
| 11 | USA | (GBR) Jackie Stewart | 29 |
- First time as championship leader
- Mario Andretti
- Last time as championship leader
- No driver led the championship for the last time in 1971
- Last time as championship leader until…
- 1978 for Mario Andretti
- First time as championship leader by a…
- American driver since 1961
- Last time as championship leader by a…
- American driver until 1978
Constructors’ Championship
| # | Grand Prix | Leader | Lead |
|---|---|---|---|
| 1 | South Africa | Ferrari | 3 |
| 2 | Spain | Ferrari | 0 |
| 3 | Monaco | Tyrrell-Ford Cosworth | 5 |
| 4 | Netherlands | Ferrari | 4 |
| 5 | France | Tyrrell-Ford Cosworth | 5 |
| 6 | Britain | Tyrrell-Ford Cosworth | 14 |
| 7 | Germany | Tyrrell-Ford Cosworth | 19 |
| 8 | Austria | Tyrrell-Ford Cosworth | 19 |
| 9 | Italy | Tyrrell-Ford Cosworth | 23 |
| 10 | Canada | Tyrrell-Ford Cosworth | 32 |
| 11 | USA | Tyrrell-Ford Cosworth | 37 |
- First time as championship leader
- Tyrrell
- Last time as championship leader
- No constructor led the championship for the last time in 1971
- First time as championship leader since…
- 1966 for Ferrari