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Event: Los Angeles Times/Toyota Grand Prix of EnduranceDate: 27.4.1980
Track: Riverside International Raceway (United States), 5.311 kmsOrganiser: unknown

Riverside 5 Hours
Weather:warm, dry
Start time:13:00
Grid:unknown
Distance:5 hours
Attendance:unknown
Entered:83
Practiced:72
Qualified:60
Started:60
Finished:30
Classes:PractStart
IMSA GTX2619
IMSA GTO2119
IMSA GTU2522
Photo GalleryEntered CarsTechnical DataAppearanceRace ResultsGridQualifying Heat
Pre-race sessions:
non-qualifying practice held on 24/4
qualifying held on 25/4
60 minute pre-race warm-up held
10 lap qualifying race for positions 41 and above held (called Toyota Pro-Celebrity Race)
Winners:
Overall:6Porsche 935 K3Fitzpatrick / Barbour
IMSA GTO:54Porsche Carrera RSRGarcia / Herman
IMSA GTU:47Mazda RX-7Frisselle / Katayama
Fastest Laps:
Overall:6Porsche 935 K3John Fitzpatrick (GB)1:41.2300188.8678 km/hlap 3
IMSA GTO:10Chevrolet Camaro IIBob Raub (USA)1:54.5700166.8761 km/hlap 4
IMSA GTU:83Datsun 280ZXDon Devendorf (USA)1:55.6200165.3601 km/hlap 4
Pole Positions:
Overall:91Porsche 935 K3Don Whittington (USA)192.5451 km/h
IMSA GTO:48Chevrolet CorvettePhil Currin (USA)168.9634 km/h
IMSA GTU:7Mazda RX-7Walt Bohren (USA)167.6502 km/h
Notes of interest:
Top makes by numbers:Porsche (33), Mazda (7), Datsun (7), Chevrolet (7), BMW (2)
Top engines by numbers:Porsche (32), Chevrolet (8), Mazda (7), Datsun (7), Ferrari (2)
Top car types by numbers:Porsche 935 (13), Porsche 911 Carrera (9), Mazda RX-7 (7), Porsche 911 (7)
Driver nationalities:USA (116), J (4), DR (2), GB (2)
Most used colours:white (30%), red (21%), yellow (15%), black (9%), blue (8%), orange (6%)
Engine positions:rear-engined (50%), front-engined (38%), mid-engined (12%)
Oldest known drivers:Bob Tullius (50), Preston Henn (49), George Follmer (46)
Youngest known drivers:Dale Whittington (21), Ted Field (27), Bobby Rahal (27)
Female drivers:Claudia LaCava, Margie Smith-Haas

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Riverside 5 Hours 1980Entry List - Riverside 5 Hours 1980Schedule of Events - Riverside 5 Hours 1980Track Map - Riverside 5 Hours 1980