GT4 America Sonoma 2021 - Racing Sports Cars

Event:		Date: 7.3.2021
Track: Sonoma Raceway (United States), 4.050 kms	Organiser: SRO
GT4 America Sonoma
Pirelli GT4 America Series (round 1)

Weather:	bright/dry
Start time:	6/3 16:05 and 7/3 10:55
Grid:	2-2-2, rolling start
Distance:	2 x 60 minutes
Attendance:	unknown

Entered:	33
Practiced:	33
Qualified:	33
Started:	33
Finished:	30
Classified:	32

Classes:	Pract	Start	Class
SRO GT4 - Silver	7	7	6
SRO GT4 - Pro-Am	16	16	16
SRO GT4 - Am	10	10	10

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 for a total of 90 minutes on 5/3
2 qualifying sessions for a total of 30 minutes on 6/3

Winners:
Race 1:	47	Porsche 718 Cayman GT4 Clubsport MR	Travis / Hart
Race 2:	47	Porsche 718 Cayman GT4 Clubsport MR	Travis / Hart
SRO GT4 - Silver race 1:	062	Aston Martin Vantage AMR GT4	Dexter / Dexter
SRO GT4 - Silver race 2:	72	Mercedes-AMG GT4	Murillo / Szymczak
SRO GT4 - Am race 1:	46	Porsche 718 Cayman GT4 Clubsport MR	Walker / Byrne
SRO GT4 - Am race 2:	68	Toyota GR Supra GT4	Conway / Geesbreght
Fastest Laps:
Race 1:	54	Porsche 718 Cayman GT4 Clubsport MR	Pappas / Bleekemolen	1:47.2280	lap 17
Race 2:	54	Porsche 718 Cayman GT4 Clubsport MR	Pappas / Bleekemolen	1:47.2280	lap 7
SRO GT4 - Silver race 1:	062	Aston Martin Vantage AMR GT4	Dexter / Dexter	1:49.0060	lap 4
SRO GT4 - Silver race 2:	062	Aston Martin Vantage AMR GT4	Dexter / Dexter	1:47.9080	lap 3
SRO GT4 - Am race 1:	16	Mercedes-AMG GT4	Allen / Wilson	1:48.9190	lap 18
SRO GT4 - Am race 2:	46	Porsche 718 Cayman GT4 Clubsport MR	Walker / Byrne	1:48.8210	lap 5
Pole Positions:
Race 1:	47	Porsche 718 Cayman GT4 Clubsport MR	Travis / Hart	1:44.9700
Race 2:	47	Porsche 718 Cayman GT4 Clubsport MR	Travis / Hart	1:44.9700
SRO GT4 - Silver race 1:	062	Aston Martin Vantage AMR GT4	Dexter / Dexter	1:46.1200
SRO GT4 - Silver race 2:	72	Mercedes-AMG GT4	Murillo / Szymczak	1:45.3070
SRO GT4 - Am race 1:	46	Porsche 718 Cayman GT4 Clubsport MR	Walker / Byrne	1:46.8830
SRO GT4 - Am race 2:	16	Mercedes-AMG GT4	Allen / Wilson	1:46.2520
Notes of interest:
Top makes by numbers:	BMW (9), Porsche (7), Aston Martin (6), Mercedes-AMG (3), McLaren (3)
Top engines by numbers:	BMW (9), Porsche (7), Aston Martin (6), Mercedes-AMG (3), Audi (3), McLaren (3)
Top car types by numbers:	BMW M4 (9), Porsche 718 Cayman (7), Aston Martin Vantage AMR (6)
Driver nationalities:	USA (60), CDN (2)
Engine positions:	front-engined (60%), mid-engined (40%)
Average engine size:	3606 cc (with regard to 72% turbocharged cars an applicable size is 4644 cc)
Oldest known drivers:	Kris Wilson (54), Bill Auberlen (53), Ian James (47)
Youngest known drivers:	Bryson Lew (18), Aurora Straus (23), Chandler Hull (27)
Female drivers:	Christina Nielsen, Aurora Straus

Official Race Programme:

Cover	Entry List	Schedule	Track Map