Mark Greenberg

Career

Season	Level	Series / class	Pos.	Team / car / races
2013	GT	Grand-Am Sports Car Series, Class GT		Mühlner Motorsport, Porsche 911 GT3 Cup (997) 1 of 12 races
2008	GT	Grand-Am Sports Car Series, Class GT	95.	Synergy Racing, Porsche 911 GT3 Cup (997) 1 of 13 races
2007	GT	Grand-Am Sports Car Series, Class GT	60.	The Racers Group, Porsche 911 GT3 Cup (997) 4 of 13 races
2006	GT	Grand-Am Sports Car Series, Class GT	148.	SAMAX Motorsport, Porsche 911 GT3 Cup (997) 1 of 13 races
2005	GT	Grand-Am Sports Car Series, Class GT	60.	SAMAX Motorsport, Porsche 911 GT3 Cup (996) 5 of 14 races
2004	GT	Grand-Am Sports Car Series, Class GT	18.	G&W Motorsports, Porsche 911 GT3-RS (996) 5 of 12 races
2003	GT	Grand-Am Sports Car Series, Class GT	30.	G&W Motorsports, Porsche 911 GT3-RS (996) 2 of 12 races

• Main series of the season: highest share of races contested; series with few races and single races count less.
• 1. Positions 1–6 and wins.