Austin - 2. træning
I den anden træning inden kvalifikationen blev det til en fjerdeplads i GT klassen for feltets danske islæt, Jan Magnussen.
Hurtigst generelt var meget naturligt LMP1 bilerne, og her var det Lucas Luhr og Klaus Graf i deres HPD der var hurtigst.

Pl.	Kl.	Nr.	Kørere	Tid	Diff	Omg	Bil
1	P1	6	Klaus Graf Lucas Luhr	1:27.006	0.000	21	HPD ARX-03c
2	P1	16	Chris Dyson Guy Smith	1:27.799	0.793	27	Lola B12/60
3	P2	551	Scott Tucker Ryan Briscoe	1:28.968	1.962	26	HPD ARX-03b
4	P2	02	Ed Brown Johannes van Overbeek	1:29.220	2.214	28	HPD ARX-03b
5	PC	9	Bruno Junqueira Alex Popow	1:29.742	2.736	25	ORECA FLM09
6	PC	05	Jonathan Bennett Colin Braun	1:29.870	2.864	21	ORECA FLM09
7	PC	52	Mike Guasch Dane Cameron	1:29.911	2.905	27	ORECA FLM09
8	P2	01	Scott Sharp Anthony Lazzaro	1:30.270	3.264	20	HPD ARX-03b
9	P2	552	Scott Tucker Guy Cosmo Marino Franchitti	1:30.710	3.704	4	HPD ARX-03b
10	PC	8	Kyle Marcelli Chris Cumming	1:30.742	3.736	19	ORECA FLM09
11	PC	7	Rusty Mitchell Tomy Drissi	1:30.837	3.831	24	ORECA FLM09
12	GT	06	Patrick Long Tom Kimber-Smith	1:30.983	3.977	24	Porsche 911 GT3 RSR
13	GT	4	Oliver Gavin Tommy Milner	1:31.219	4.213	27	Corvette C6 ZR1
14	GT	56	Dirk Müller Joey Hand	1:31.306	4.300	23	BMW Z4 GTE
15	GT	3	Jan Magnussen Antonio Garcia	1:31.548	4.542	28	Corvette C6 ZR1
16	GT	55	Bill Auberlen Maxime Martin	1:31.569	4.563	22	BMW Z4 GTE
17	GT	91	Dominik Farnbacher Marc Goossens	1:31.760	4.754	28	SRT Viper GTS-R
18	GT	17	Wolf Henzler Bryan Sellers	1:32.144	5.138	24	Porsche 911 GT3 RSR
19	GT	23	Bill Sweedler Townsend Bell	1:32.392	5.386	19	Ferrari F458 Italia
20	GT	62	Olivier Beretta Matteo Malucelli	1:32.392	5.386	25	Ferrari F458 Italia
21	GT	93	Jonathan Bomarito Kuno Wittmer	1:32.732	5.726	20	SRT Viper GTS-R
22	GT	48	Bryce Miller Marco Holzer	1:32.841	5.835	23	Porsche 911 GT3 RSR
23	GTC	45	Nelson Canache, Jr. Spencer Pumpelly	1:35.109	8.103	19	Porsche 911 GT3 Cup
24	GTC	22	Cooper MacNeil Jeroen Bleekemolen	1:35.236	8.230	24	Porsche 911 GT3 Cup
25	GTC	11	Mike Hedlund Jan Heylen	1:35.964	8.958	22	Porsche 911 GT3 Cup
26	GTC	67	Marc Bunting Norbert Siedler	1:36.055	9.049	16	Porsche 911 GT3 Cup
27	GTC	30	Henrique Cisneros Sean Edwards	1:36.122	9.116	24	Porsche 911 GT3 Cup
28	GTC	66	Ben Keating Damien Faulkner	1:36.296	9.290	21	Porsche 911 GT3 Cup
29	GTC	68	Al Carter Kevin Estre	1:36.531	9.525	22	Porsche 911 GT3 Cup
30	PC	18	Tristan Nunez Charlie Shears	1:36.605	9.599	15	ORECA FLM09
31	GTC	44	Seth Neiman Dion von Moltke	1:37.084	10.078	24	Porsche 911 GT3 Cup
32	GTC	27	Patrick Dempsey Andy Lally	1:37.131	10.125	26	Porsche 911 GT3 Cup