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Event: Los Angeles Times 15th Annual Grand PrixDate: 28.10.1972
Track: Riverside International Raceway (United States), 3.701 kmsOrganiser: unknown

Trans-Am Riverside - Two Five Challenge
Trans-Am (round 11)
Weather:warm, clear
Start time:14:00
Grid:unknown
Distance:50 laps
Attendance:unknown
Entered:33
Practiced:31
Qualified:31
Started:28
Finished:16
Classes:PractStartClass
Sedan - Under 2.5 Litres312828
Photo GalleryEntered CarsTechnical DataAppearanceRace ResultsGrid
Pre-race sessions:
1 non-qualifying practice session held for a total of 60 minutes on 27/10
2 qualifying sessions held for a total of 90 minutes on 27/10
30 minute pre-race warm-up held
Winners:
Overall:46Datsun 510John Morton
Fastest Laps:
Overall:85Datsun 510Bobby Allison1:19.8800
Pole Positions:
Overall:46Datsun 510John Morton1:35.5200
Notes of interest:
Top makes by numbers:Alfa Romeo (11), Datsun (9), Ford (3), Fiat (2)
Top engines by numbers:Alfa Romeo (11), Datsun (9), Ford (3), Fiat (2)
Top car types by numbers:Datsun 510 (9), Alfa Romeo Giulia Sprint GTA (7), Alfa Romeo 1750 GTV (4)
Driver nationalities:USA (24), CDN (2)
Team nationalities:USA (24), CDN (2)
Most used colours:red (29%), blue (21%), yellow (14%), white (11%), orange (11%), green (5%)
Engine positions:front-engined (95%), rear-engined (5%)
Average engine size:1723 cc
Oldest known drivers:Horst Kwech (35), Bobby Allison (35), Peter Gregg (32)
Youngest known drivers:John Morton (30), Peter Gregg (32), Bobby Allison (35)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Trans-Am Riverside - Two Five Challenge 1972Entry List - Trans-Am Riverside - Two Five Challenge 1972Schedule of Events - Trans-Am Riverside - Two Five Challenge 1972Track Map - Trans-Am Riverside - Two Five Challenge 1972