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Event: Date: 26.8.2006
Track: Infineon Raceway, Sonoma (United States), 4.056 kmsOrganiser: unknown

250 mile Sonoma
Weather:unknown
Start time:15:00
Grid:unknown
Distance:250 miles
Attendance:unknown
Entered:39
Practiced:39
Qualified:39
Started:39
Finished:31
Classified:39
Classes:PractStartClass
Daytona Prototypes252525
Grand Touring141414
No Photos YetEntered CarsTechnical DataAppearanceRace ResultsGridQualifyingLap Times
Race notes:
3 full-course cautions for a total of 14 laps: laps 23-27 (no.31 disabled at turn 6a), laps 39-43 (no.75 stopped at turn 9), laps 91-94 (no.73 in the tyre wall at turn 9)
Pre-race sessions:
3 non-qualifying practice sessions held for a total of 180 minutes on 24-25/8
1 qualifying session held for a total of 15 minutes on 25/8
30 minute pre-race warm-up held
Winners:
Overall:01Riley Mk XI LexusPruett / Diaz
Grand Touring:72Porsche 997 GT3 CupHenzler / Liddell
Leaders:
lap 1 9:10Riley Mk XI PontiacJan Magnussen
lap 10 20:99Riley Mk XI PontiacJon Fogarty
lap 21 22:10Riley Mk XI PontiacJan Magnussen
lap 23 23:4Crawford DP03 PontiacButch Leitzinger
lap 24 72:10Riley Mk XI PontiacJan Magnussen
lap 73 73:4Crawford DP03 PontiacButch Leitzinger
lap 74 99:01Riley Mk XI PontiacScott Pruett
Fastest Laps:
Overall:99Riley Mk XI PontiacGurney / Fogarty1:29.7380lap 11
Grand Touring:64Pontiac GTO.REdwards / Collins1:39.7540lap 2
Pole Positions:
Overall:10Riley Mk XI PontiacTaylor / Angelelli / Magnussen1:28.2340165.4695 km/h
Grand Touring:72Porsche 997 GT3 CupHenzler / Liddell1:38.4250148.3365 km/h
Notes of interest:
Top makes by numbers:Riley (17), Porsche (8), Crawford (6), Pontiac (3), Doran (2), BMW (2)
Top engines by numbers:Porsche (13), Pontiac (12), Ford (6), BMW (4), Lexus (3)
Top car types by numbers:Riley Mk XI (17), Porsche 997 GT3 Cup (7), Crawford DP03 (6)
Driver nationalities:USA (54), CDN (5), GB (5), BR (4), MEX (3), D (3)
Engine positions:mid-engined (64%), rear-engined (20%), front-engined (16%)
Oldest known drivers:Richard Valentine (62), Hurley Haywood (58), Emil Assentato (57)
Youngest known drivers:Mike Rockenfeller (23), Leh Keen (23), Patrick Long (25)
Female drivers:Milka Duno

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme cover is not available.Entry list is not available.Schedule of events is not available.Track map is not available.