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Event: Fifth Running Pomona Sports Car Road RacesDate: 27.10.1957
Track: Los Angeles County Fairgrounds, Pomona (United States), 3.219 kmsOrganiser: California Sports Car Club

Pomona [S+1.5]
Weather:unknown
Start time:unknown
Grid:unknown
Distance:1 hour
Attendance:6500
Entered:32
Practiced:28
Qualified:24
Started:24
Finished:19
Classified:19
Classes:StartClass
Class B - Modified21
Class C - Modified65
Class D - Modified43
Class E - Modified64
Class F - Modified11
Class C - Production11
Class D - Production11
Class E - Production33
No Photos YetEntered CarsTechnical DataAppearanceRace Results
Winners:
Overall:11Ferrari 625 TRCJohn von Neumann
Class B - Modified:70Balchowsky - BuickMax Balchowsky
Class C - Modified:133Jaguar D-typeJerry Austin
Class E - Modified:211Ferrari 500 TRRichie Ginther
Class F - Modified:118Porsche 550 RSJean Pierre Kunstle
Notes of interest:
Top makes by numbers:Ferrari (4), Porsche (2), Jaguar (2), Volvo (2)
Top engines by numbers:Ferrari (3), Porsche (2), Jaguar (2), Bristol (2), Chevrolet (2), Volvo (2), Mercury (2)
Driver nationalities:USA (24)
Team nationalities:USA (24)
Most used colours:red (23%), white (22%), silver (17%), blue (15%), green (8%), black (4%)
Engine positions:front-engined (88%), mid-engined (5%), rear-engined (7%)
Average engine size:2978 cc (with regard to 4% supercharged cars an applicable size is 3025 cc)
Oldest known drivers:John von Neumann (36), Richie Ginther (27), Jim Parkinson (25)
Youngest known drivers:Bob Bondurant (24), Jim Parkinson (25), Richie Ginther (27)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Pomona [S+1.5] 1957Entry List - Pomona [S+1.5] 1957Schedule of Events - Pomona [S+1.5] 1957Track map is not available.