Mobil 1 SportsCar Grand Prix – Practice 1 Times
| Pos | Cl Pos | Class | No | Drivers | Time | Speed | Diff | Laps | Make |
| 1 | 1 | P1 | 6 | Graf/Luhr | 1:07.124 | 131.881 | -.— | 28 | HPD ARX-03a |
| 2 | 2 | P1 | 0 | Meyrick/Legge | 1:10.268 | 125.981 | 3.144 | 38 | DeltaWing LM12 |
| 3 | 1 | P2 | 552 | Tucker/Conway | 1:11.272 | 124.206 | 4.148 | 33 | HPD ARX-03b |
| 4 | 1 | PC | 8 | Marcelli/Cumming | 1:11.742 | 123.392 | 4.618 | 32 | ORECA FLM09 |
| 5 | 3 | P1 | 16 | Burgess/McMurry | 1:11.745 | 123.387 | 4.621 | 34 | Lola B12/60 |
| 6 | 2 | PC | 81 | Schultis/van der Zande | 1:11.759 | 123.363 | 4.635 | 38 | ORECA FLM09 |
| 7 | 2 | P2 | 01 | Sharp/Cosmo | 1:11.803 | 123.287 | 4.679 | 27 | HPD ARX-03b |
| 8 | 3 | P2 | 551 | Tucker/Franchitti | 1:11.807 | 123.280 | 4.683 | 33 | HPD ARX-03b |
| 9 | 3 | PC | 9 | Junqueira/Ende | 1:12.368 | 122.325 | 5.244 | 37 | ORECA FLM09 |
| 10 | 4 | PC | 7 | Drissi/Mitchell | 1:13.225 | 120.893 | 6.101 | 34 | ORECA FLM09 |
| 11 | 5 | PC | 18 | Nunez/Shears | 1:13.456 | 120.513 | 6.332 | 39 | ORECA FLM09 |
| 12 | 6 | PC | 05 | Bennett/Braun | 1:14.037 | 119.567 | 6.913 | 20 | ORECA FLM09 |
| 13 | 7 | PC | 52 | Guasch/Cheng/Cameron | 1:14.181 | 119.335 | 7.057 | 41 | ORECA FLM09 |
| 14 | 4 | P2 | 02 | Brown/van Overbeek | 1:14.867 | 118.242 | 7.743 | 36 | HPD ARX-03b |
| 15 | 1 | GT | 3 | Magnussen/Garcia | 1:16.227 | 116.132 | 9.103 | 32 | Chevrolet Corvette C6 ZR1 |
| 16 | 2 | GT | 56 | Müller/Hand | 1:16.272 | 116.064 | 9.148 | 34 | BMW Z4 GTE |
| 17 | 3 | GT | 4 | Gavin/Milner | 1:16.286 | 116.042 | 9.162 | 35 | Chevrolet Corvette C6 ZR1 |
| 18 | 4 | GT | 91 | Farnbacher/Goossens | 1:16.506 | 115.709 | 9.382 | 34 | SRT Viper GTS-R |
| 19 | 5 | GT | 93 | Bomarito/Wittmer | 1:16.551 | 115.641 | 9.427 | 30 | SRT Viper GTS-R |
| 20 | 6 | GT | 55 | Auberlen/Martin | 1:16.621 | 115.535 | 9.497 | 38 | BMW Z4 GTE |
| 21 | 7 | GT | 06 | Long/Kimber-Smith | 1:17.374 | 114.411 | 10.250 | 34 | Porsche 911 GT3 RSR |
| 22 | 8 | GT | 23 | Keen/Bell | 1:17.384 | 114.396 | 10.260 | 35 | Ferrari F458 Italia |
| 23 | 9 | GT | 17 | Henzler/Sellers | 1:17.402 | 114.369 | 10.278 | 33 | Porsche 911 GT3 RSR |
| 24 | 10 | GT | 48 | Miller/Holzer | 1:17.622 | 114.045 | 10.498 | 34 | Porsche 911 GT3 RSR |
| 25 | 1 | GTC | 22 | MacNeil/Bleekemolen | 1:21.804 | 108.215 | 14.680 | 34 | Porsche 911 GT3 Cup |
| 26 | 2 | GTC | 30 | Cisneros/Edwards | 1:21.815 | 108.200 | 14.691 | 36 | Porsche 911 GT3 Cup |
| 27 | 3 | GTC | 45 | Canache, Jr./Pumpelly | 1:21.952 | 108.019 | 14.828 | 31 | Porsche 911 GT3 Cup |
| 28 | 4 | GTC | 66 | Keating/Faulkner | 1:22.053 | 107.886 | 14.929 | 34 | Porsche 911 GT3 Cup |
| 29 | 5 | GTC | 44 | Neiman/von Moltke | 1:22.476 | 107.333 | 15.352 | 35 | Porsche 911 GT3 Cup |
| 30 | 6 | GTC | 68 | Popow/Dalziel | 1:22.633 | 107.129 | 15.509 | 31 | Porsche 911 GT3 Cup |
| 31 | 7 | GTC | 27 | Dempsey/Lally | 1:22.672 | 107.079 | 15.548 | 35 | Porsche 911 GT3 Cup |
| 32 | 8 | GTC | 11 | Hedlund/Heylen | 1:22.782 | 106.936 | 15.658 | 30 | Porsche 911 GT3 Cup |