Lap Leaders: James Hunt 73 laps (1-73).

Lap Leaders: Mario Andretti 75 laps (1-75).

Lap Leaders: Jim Clark 85 laps (1-85).

Lap Leaders: Jim Clark 15 laps (1-15).

Lap Leaders: Patrick Depailler 75 laps (1-75).

Lap Leaders: Mario Andretti 54 laps (1-54).

Lap Leaders: Mario Andretti 70 laps (1-70).

Lap Leaders: Alan Jones 45 laps (1-45).

Lap Leaders: Jim Clark 40 laps (1-40).

Lap Leaders: Wolfgang von Trips 75 laps (1-75).