Road America - Warm-up - tiderne
Audi fortsatte i warm-up'en med at sætte de to hurtigste tider, og Jan Magnussen (#3) var igen hurtigst i GT1 klassen.

Pl.	#	Kl.	Team	Mærke	Tid
1	1	LMP1	Audi Sport North America	Audi R10 TDI	1:50,146
2	2	LMP1	Audi Sport North America	Audi R10 TDI	1:50,246
3	7	LMP2	Penske Racing	Porsche RS Spyder	1:50,635
4	16	LMP2	Dyson Racing	Porsche RS Spyder	1:52,021
5	6	LMP2	Penske Racing	Porsche RS Spyder	1:52,066
6	20	LMP2	Dyson Racing	Porsche RS Spyder	1:52,840
7	9	LMP2	Highcroft Racing Acura	Acura ARX-01a	1:52,943
8	26	LMP2	Andretti Green Racing	Acura ARX-01a	1:53,324
9	15	LMP2	Fernandez Racing	Acura Lola BO6	1:53,532
10	8	LMP2	B-K Motorsports	Mazda Lola B07-40	1:55,417
11	37	LMP1	Intersport Racing	Creation CA06H Judd	1:57,395
12	06	LMP1	Team Cytosport	AER Lola B06-10	1:57,614
13	3	GT1	Corvette Racing	Corvette C6.R	2:01,633
14	4	GT1	Corvette Racing	Corvette C6.R	2:01,760
15	12	LMP1	Autocon Motorsports	Lola EX257 AER	2:04,837
16	27	GT1	Doran Racing	Maserati MC12	2:05,816
17	45	GT2	Flying Lizard Motorsport	Porsche 911 GT3 RSR	2:08,118
18	62	GT2	Risi Competizione	Ferrari 430 GT	2:08,706
19	22	GT2	Panoz Team PTG	Panoz Esperante	2:09,566
20	31	GT2	Petersen/White Lighting	Ferrari 430 GT	2:09,965
21	61	GT2	Risi Competizione	Ferrari 430 GT	2:10,133
22	71	GT2	Tafel Racing	Porsche 911 GT3 RSR	2:10,310
23	44	GT2	Flying Lizard Motorsport	Porsche 911 GT3 RSR	2:10,820
24	54	GT2	Team Trans Sport Racing	Porsche 911 GT3 RSR	2:11,184
25	18	GT2	Rahal Letterman Racing	Porsche 911 GT3 RSR	2:11,435
26	73	GT2	Tafel Racing	Porsche 911 GT3 RSR	2:21,852

Hr. Nielsen