Mobil 1 SportsCar Grand Prix – Practice 2 Times
| Pos | Class | No | Drivers | Time | Speed | Diff | Laps | Make |
| 1 | P1 | 6 | Graf/Luhr | 1:07.328 | 131.482 | -.— | 31 | HPD ARX-03a |
| 2 | P1 | 16 | Burgess/McMurry | 1:10.486 | 125.591 | 3.158 | 32 | Lola B12/60 |
| 3 | P2 | 551 | Tucker/Franchitti | 1:10.624 | 125.345 | 3.296 | 33 | HPD ARX-03b |
| 4 | P2 | 552 | Tucker/Conway | 1:10.829 | 124.983 | 3.501 | 37 | HPD ARX-03b |
| 5 | P2 | 02 | Brown/van Overbeek | 1:11.122 | 124.468 | 3.794 | 35 | HPD ARX-03b |
| 6 | PC | 05 | Bennett/Braun | 1:11.429 | 123.933 | 4.101 | 23 | ORECA FLM09 |
| 7 | PC | 9 | Junqueira/Ende | 1:11.440 | 123.914 | 4.112 | 38 | ORECA FLM09 |
| 8 | PC | 81 | Schultis/van der Zande | 1:11.708 | 123.451 | 4.380 | 38 | ORECA FLM09 |
| 9 | PC | 18 | Nunez/Shears | 1:12.168 | 122.664 | 4.840 | 41 | ORECA FLM09 |
| 10 | P2 | 01 | Sharp/Cosmo | 1:12.647 | 121.855 | 5.319 | 23 | HPD ARX-03b |
| 11 | PC | 8 | Marcelli/Cumming | 1:13.026 | 121.223 | 5.698 | 29 | ORECA FLM09 |
| 12 | PC | 7 | Drissi/Mitchell | 1:13.559 | 120.344 | 6.231 | 31 | ORECA FLM09 |
| 13 | PC | 52 | Guasch/Cheng/Cameron | 1:13.678 | 120.150 | 6.350 | 42 | ORECA FLM09 |
| 14 | GT | 55 | Auberlen/Martin | 1:15.877 | 116.668 | 8.549 | 34 | BMW Z4 GTE |
| 15 | GT | 91 | Farnbacher/Goossens | 1:16.053 | 116.398 | 8.725 | 37 | SRT Viper GTS-R |
| 16 | GT | 56 | Müller/Hand | 1:16.112 | 116.308 | 8.784 | 36 | BMW Z4 GTE |
| 17 | GT | 3 | Magnussen/Garcia | 1:16.153 | 116.245 | 8.825 | 36 | Chevrolet Corvette C6 ZR1 |
| 18 | GT | 4 | Gavin/Milner | 1:16.365 | 115.922 | 9.037 | 33 | Chevrolet Corvette C6 ZR1 |
| 19 | GT | 93 | Bomarito/Wittmer | 1:16.383 | 115.895 | 9.055 | 34 | SRT Viper GTS-R |
| 20 | GT | 06 | Long/Kimber-Smith | 1:16.958 | 115.029 | 9.630 | 33 | Porsche 911 GT3 RSR |
| 21 | GT | 23 | Keen/Bell | 1:17.273 | 114.560 | 9.945 | 31 | Ferrari F458 Italia |
| 22 | GT | 48 | Miller/Holzer | 1:17.776 | 113.819 | 10.448 | 28 | Porsche 911 GT3 RSR |
| 23 | GT | 17 | Henzler/Sellers | 1:18.322 | 113.026 | 10.994 | 21 | Porsche 911 GT3 RSR |
| 24 | GTC | 30 | Cisneros/Edwards | 1:21.740 | 108.299 | 14.412 | 37 | Porsche 911 GT3 Cup |
| 25 | GTC | 22 | MacNeil/Bleekemolen | 1:21.903 | 108.084 | 14.575 | 37 | Porsche 911 GT3 Cup |
| 26 | GTC | 45 | Canache, Jr./Pumpelly | 1:21.994 | 107.964 | 14.666 | 33 | Porsche 911 GT3 Cup |
| 27 | GTC | 27 | Dempsey/Lally | 1:22.254 | 107.623 | 14.926 | 38 | Porsche 911 GT3 Cup |
| 28 | GTC | 66 | Keating/Faulkner | 1:22.541 | 107.249 | 15.213 | 31 | Porsche 911 GT3 Cup |
| 29 | GTC | 68 | Popow/Dalziel | 1:22.558 | 107.226 | 15.230 | 34 | Porsche 911 GT3 Cup |
| 30 | GTC | 11 | Hedlund/Heylen | 1:22.674 | 107.076 | 15.346 | 31 | Porsche 911 GT3 Cup |
| 31 | GTC | 44 | Neiman/von Moltke | 1:22.710 | 107.029 | 15.382 | 36 | Porsche 911 GT3 Cup |
| 32 | P1 | 0 | Meyrick/Legge | – | — | – | – | DeltaWing LM12 |