Pit Lane F1
Iso Marlboro
Howden Ganley a terminé P19 du Championnat du Monde 1973 avec 1 point. En 14 courses : 0 victoires, 0 podiums et 0 pole positions — meilleur résultat P6.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Argentine Grand Prix | Iso Marlboro | 19 | P13 | Not classified | |
| 2 | Brazilian Grand Prix | Iso Marlboro | 14 | P7 | +1 Lap | |
| 3 | South African Grand Prix | Iso Marlboro | 19 | P10 | +6 Laps | |
| 4 | Spanish Grand Prix | Iso Marlboro | 21 | P14 | Out of fuel | |
| 5 | Belgian Grand Prix | Iso Marlboro | 21 |
| P17 |
| Accident |
| 6 | Monaco Grand Prix | Iso Marlboro | 10 | P17 | Halfshaft |
| 7 | Swedish Grand Prix | Iso Marlboro | 11 | P11 | +3 Laps |
| 8 | French Grand Prix | Iso Marlboro | 24 | P14 | +3 Laps |
| 9 | British Grand Prix | Iso Marlboro | 18 | P9 | +1 Lap |
| 10 | Dutch Grand Prix | Iso Marlboro | 15 | P9 | +4 Laps |
| 12 | Austrian Grand Prix | Iso Marlboro | 21 | P12 | Not classified |
| 13 | Italian Grand Prix | Iso Marlboro | 20 | P16 | Not classified |
| 14 | Canadian Grand Prix | Iso Marlboro | 22 | P6 | 1 | +1 Lap |
| 15 | United States Grand Prix | Iso Marlboro | 19 | P12 | +2 Laps |