At the start Cevert burst through to take the lead but on the second lap he suffered a puncture when he hit a curb .
So Peterson went ahead , chased by a quick - starting Regazzoni , Stewart , Emerson Fittipaldi , Lauda , Ickx and the rest .
At the start Cevert burst through to take the lead but on the second lap he suffered a puncture when he hit a curb and so Peterson went ahead , chased by a quick - starting Regazzoni , Stewart , Emerson Fittipaldi , Lauda , Ickx and the rest .