American Le Mans Series Sonoma 2005

Event: Infineon Technologies Grand Prix of Sonoma		Date: 17.7.2005
Track: Infineon Raceway, Sonoma (United States), 4.072 kms	Organiser: unknown
American Le Mans Series Sonoma
American Le Mans Series (round 5)

Weather:	hot, dry
Start time:	11:00
Grid:	2-2-2, PP left, rolling start
Distance:	2 hours 45 minutes
Attendance:	unknown

Entered:	24
Practiced:	24
Qualified:	24
Started:	24
Finished:	19

Classes:	Pract	Start
Le Mans Prototype 1	5	5
Le Mans Prototype 2	3	3
Le Mans Grand Touring 1	6	6
Le Mans Grand Touring 2	10	10

Photo Gallery Entered Cars Technical Data Appearance Race Results Grid Qualifying Lap Times

Race notes:
2 full-course cautions for 7 laps, 20 minutes: laps 3-4 (debris on track), laps 87-91 (cars no.1 and no.5 contact, car no.5 off course)

Pre-race sessions:
official test session held for a total of 90 minutes on 15/7
2 non-qualifying practice sessions held for a total of 120 minutes on 16/7
1 qualifying session held for a total of 20 minutes on 16/7
30 minute pre-race warm-up held

Winners:
Overall:	2	Audi R8	Pirro / Biela
Le Mans Prototype 2:	37	Lola B05/40 AER	Halliday / Field
Le Mans Grand Touring 1:	3	Chevrolet Corvette C6-R	Fellows / O'Connell
Le Mans Grand Touring 2:	23	Porsche 996 GT3-RSR	Bernhard / Dumas
Leaders:
laps 1-41:	1	Audi R8	JJ Lehto
laps 42-44:	2	Audi R8	Emanuele Pirro
laps 45-46:	16	MG Lola EX257	Butch Leitzinger
laps 47-85:	1	Audi R8	Marco Werner
laps 86-111:	2	Audi R8	Frank Biela
Fastest Laps:
Overall:	1	Audi R8	Marco Werner (D)	1:22.0410	178.6662 km/h	lap 76
Le Mans Prototype 2:	37	Lola B05/40 AER	Clint Field (USA)	1:26.3490	169.7520 km/h	lap 95
Le Mans Grand Touring 1:	4	Chevrolet Corvette C6-R	Oliver Gavin (GB)	1:28.9340	164.8177 km/h	lap 79
Le Mans Grand Touring 2:	23	Porsche 996 GT3-RSR	Timo Bernhard (D)	1:35.1120	154.1124 km/h	lap 10
Pole Positions:
Overall:	20	Lola EX257 AER	Andy Wallace (GB)	1:21.6880	179.4370 km/h
Le Mans Prototype 2:	37	Lola B05/40 AER	Clint Field (USA)	1:25.2900	171.8602 km/h
Le Mans Grand Touring 1:	3	Chevrolet Corvette C6-R	Ron Fellows (CDN)	1:28.5280	165.5741 km/h
Le Mans Grand Touring 2:	23	Porsche 996 GT3-RSR	Timo Bernhard (D)	1:34.2630	155.4996 km/h
Notes of interest:
Top makes by numbers:	Porsche (8), Lola (3), Chevrolet (3), Audi (2), Courage (2), Panoz (2)
Top engines by numbers:	Porsche (8), AER (4), Chevrolet (3), Audi (2), Ford (2), Elan (2)
Top car types by numbers:	Porsche 996 GT3-RSR (7), Audi R8 (2), Lola EX257 (2), Courage C65 (2), Chevrolet Corvette C6 (2), Panoz Esperante (2)
Driver nationalities:	USA (25), GB (8), D (7), I (4)
Team nationalities:	USA (23)
Engine positions:	mid-engined (41%), rear-engined (33%), front-engined (26%)
Average engine size:	4424 cc (with regard to 26% turbocharged cars an applicable size is 4884 cc)
Oldest known drivers:	Tom Weickardt (58), Seth Neiman (51), James Weaver (50)
Youngest known drivers:	Mike Rockenfeller (22), Clint Field (22), Michele Rugolo (23)
Female drivers:	Liz Halliday

Official Race Programme:

Cover	Entry List	Schedule	Track Map