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Event: Date: 28.10.1973
Track: Riverside International Raceway (United States), 4.088 kmsOrganiser: unknown

IROC Riverside 3
IROC (round 3)
Weather:unknown
Start time:unknown
Grid:unknown
Distance:unknown
Attendance:unknown
Entered:unknown
Practiced:unknown
Started:12
Finished:8
No Photos YetEntered CarsTechnical DataAppearanceRace ResultsGrid
Pre-race sessions:
grid based on results of previous race in reversed order
Winners:
Overall:12Porsche 911 Carrera RSR 3.0Mark Donohue
Leaders:
laps 1-30:Porsche Carrera RSRDonohue
Pole Positions:
Overall:12Porsche 911 Carrera RSR 3.0Mark Donohue (USA)
Notes of interest:
Top makes by numbers:Porsche (12)
Top engines by numbers:Porsche (12)
Top car types by numbers:Porsche 911 Carrera (12)
Driver nationalities:USA (9)
Team nationalities:USA (12)
Most used colours:blue (25%), green (16%), *yellow (8%), red (8%), white (8%), orange (8%), purple (8%), aubergine (8%), black (8%)
Engine positions:rear-engined (100%)
Average engine size:2994 cc
Oldest known drivers:George Follmer (40), Bobby Unser (40), Denny Hulme (38)
Youngest known drivers:Emerson Fittipaldi (28), Peter Revson (35), Bobby Allison (37)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - IROC Riverside 3 1973Entry List - IROC Riverside 3 1973Schedule of events is not available.Track map is not available.