GT4 America Sonoma 2023 - Racing Sports Cars

Event: SRO Motorsports America Sonoma Raceway		Date: 2.4.2023
Track: Sonoma Raceway (United States), 4.032 kms	Organiser: SRO
GT4 America Sonoma
Pirelli GT4 America Series (round 1)

Weather:	dry
Start time:	1/4 16:50 and 2/4 10:55
Grid:	2-2-2, PP left, rolling start
Distance:	2 x 60 minutes
Attendance:	unknown

Entered:	43
Practiced:	43
Qualified:	43
Started:	43
Finished:	30
Classified:	34

Classes:	Pract	Start	Class
SRO GT4 - Silver	8	8	7
SRO GT4 - Pro-Am	17	17	13
SRO GT4 - Am	18	18	14

No Photos Yet Entered Cars Technical Data Appearance Race 1 Results Grid Race 1 Race 2 Results Grid Race 2 Qualifying Qualifying 1 Qualifying 2 Lap Times

Pre-race sessions:
2 non-qualifying practice sessions held for a total of 90 minutes on 31/3
2 qualifying sessions held for a total of 30 minutes on 1/4

Winners:
Race 1:	47	Porsche 718 Cayman GT4 RS Clubsport	Travis / Hart
Race 2:	20	Toyota GR Supra GT4	Shanny / Borcheller
SRO GT4 - Silver race 1:	34	Mercedes-AMG GT4	Stephens / Webb
SRO GT4 - Silver race 2:	34	Mercedes-AMG GT4	Stephens / Webb
SRO GT4 - Pro-Am race 2:	50	Aston Martin Vantage AMR GT4	Povoledo / Chouest
SRO GT4 - Am race 1:	35	Mercedes-AMG GT4	Toledo / Carcasci
Fastest Laps:
Race 1:	34	Mercedes-AMG GT4	Stephens / Webb	1:47.6610	lap 2
Race 2:	7	Porsche 718 Cayman GT4 RS Clubsport	Swearingin / van Berlo	1:47.2310	lap 3
SRO GT4 - Silver race 2:	34	Mercedes-AMG GT4	Stephens / Webb	1:48.0130	lap 5
SRO GT4 - Pro-Am race 1:	47	Porsche 718 Cayman GT4 RS Clubsport	Travis / Hart	1:47.7830	lap 21
SRO GT4 - Am race 1:	20	Toyota GR Supra GT4	Shanny / Borcheller	1:48.1720	lap 22
SRO GT4 - Am race 2:	20	Toyota GR Supra GT4	Shanny / Borcheller	1:48.1310	lap 3
Pole Positions:
Race 1:	34	Mercedes-AMG GT4	Stephens / Webb	1:45.3270
Race 2:	47	Porsche 718 Cayman GT4 RS Clubsport	Travis / Hart	1:44.2630
SRO GT4 - Silver race 2:	34	Mercedes-AMG GT4	Stephens / Webb	1:45.3270
SRO GT4 - Pro-Am race 1:	47	Porsche 718 Cayman GT4 RS Clubsport	Travis / Hart	1:44.2630
SRO GT4 - Am race 1:	36	BMW M4 GT4	Postins / Clay	1:46.8200
SRO GT4 - Am race 2:	20	Toyota GR Supra GT4	Shanny / Borcheller	1:45.6850
Notes of interest:
Top makes by numbers:	Porsche (14), BMW (9), Aston Martin (7), Toyota (6), Mercedes-AMG (4)
Top engines by numbers:	Porsche (14), BMW (9), Aston Martin (7), Toyota (6), Mercedes-AMG (4)
Top car types by numbers:	Porsche 718 Cayman (14), BMW M4 (9), Aston Martin Vantage AMR (7)
Driver nationalities:	USA (69), CDN (4), CO (2), BR (2), GB (2), NL (2)
Team nationalities:	USA (40), CDN (3)
Engine positions:	front-engined (63%), mid-engined (37%)
Average engine size:	3591 cc (with regard to 65% turbocharged cars an applicable size is 4524 cc)
Oldest known drivers:	Paulo Carcasci (59), Terry Borcheller (57), Johan Schwartz (56)
Youngest known drivers:	Isabella Robusto (19), Tyler Maxson (19), Tyler Gonzalez (19)
Female drivers:	Hannah Grisham, Rianna O'Meara-Hunt, Isabella Robusto

Official Race Programme:

Cover	Entry List	Schedule	Track Map