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Event: Sports Car Road Races RiversideDate: 21.9.1957
Track: Riverside International Raceway (United States), 5.271 kmsOrganiser: California Sports Car Club

Preliminary Riverside [Modified 1.5]
Non championship race
Weather:unknown
Start time:unknown
Grid:unknown
Distance:6 laps
Attendance:unknown
Entered:30
Practiced:unknown
Started:20
Finished:16
Classified:16
Classes:StartClass
Class F - Modified87
Class G - Modified129
No Photos YetEntered CarsTechnical DataAppearanceRace Results
Winners:
Overall:11Porsche 550 RS SpyderRicardo Rodriguez
Class G - Modified:63Lotus Eleven Le Mans ClimaxIgnacio Lozano
Fastest Laps:
Overall:11Porsche 550 RS SpyderRicardo Rodriguez2:20.500
Notes of interest:
Top makes by numbers:Lotus (8), Porsche (6), Cooper (2)
Top engines by numbers:Climax (9), Porsche (6)
Top car types by numbers:Lotus Eleven (6), Porsche 550 (5), Lotus Mark IX (2)
Driver nationalities:USA (19)
Team nationalities:USA (18)
Most used colours:red (33%), white (22%), silver (17%), blue (8%), tan (5%), yellow (5%), green (5%)
Engine positions:front-engined (66%), mid-engined (34%)
Oldest known drivers:Jack McAfee (35), Bob Drake (33), Jim Parkinson (25)
Youngest known drivers:Ricardo Rodriguez (15), Jim Parkinson (25), Bob Drake (33)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Preliminary Riverside [Modified 1.5] 1957Entry List - Preliminary Riverside [Modified 1.5] 1957Schedule of Events - Preliminary Riverside [Modified 1.5] 1957Track Map - Preliminary Riverside [Modified 1.5] 1957