Watkins Glen: Practice 3 Times
| Pos | C.Pos | Class | Drivers | Team/Car | Time | Speed |
|---|---|---|---|---|---|---|
| 1 | 1 | DP | Negri / Pew | Michael Shank Racing / Ford Riley | 1:06.705 | 132.223 |
| 2 | 2 | DP | Patterson / von Moltke | Doran Racing / Ford Dallara | 1:06.903 | 131.832 |
| 3 | 3 | DP | Jonsson / Krohn | Krohn Racing / Ford Lola | 1:09.204 | 127.449 |
| 4 | 1 | GT | Nonnamaker / Sahlen | Team Sahlen / Mazda RX-8 | 1:12.004 | 122.493 |
| 5 | 2 | GT | Edwards / Russell | Banner Racing / Corvette | 1:12.341 | 121.922 |
| 6 | 3 | GT | Bremer / Schaldach | Stevenson Motorsports / Camaro GT.R | 1:12.893 | 120.999 |
| 7 | 4 | GT | Gidley / Nonnamaker | Team Sahlen / Mazda RX-8 | 1:14.573 | 118.273 |
| 8 | 5 | GT | Potter / Stanton | Magnus Racing / Porsche GT3 | 1:14.811 | 117.897 |
| 9 | 6 | GT | Bertheau / Lally | TRG / Porsche GT3 | 1:18.533 | 112.309 |
| 10 | 0 | GT | Christodoulou / Edwards | SpeedSource / Mazda RX-8 | - | - |
| 11 | 0 | GT | Assentato / Segal | SpeedSource / Mazda RX-8 | - | - |
| 12 | 0 | GT | Bomarito / Tremblay | SpeedSource / Mazda RX-8 | - | - |
| 13 | 0 | GT | Davis / Liddell | Stevenson Motorsports / Camaro GT.R | - | - |
| 14 | 0 | GT | Collins / Lux | LG Motorsports / Corvette | - | - |
| 15 | 0 | GT | Lacey / Taylor | Racers Edge Motorsports / Mazda RX-8 | - | - |
| 16 | 0 | GT | Curran / Said | Marsh Racing / Corvette | - | - |
| 17 | 0 | GT | Espenlaub / Foster | Dempsey Racing / Mazda RX-8 | - | - |
| 18 | 0 | GT | Gue / Keen | Dempsey Racing / Mazda RX-8 | - | - |
| 19 | 0 | DP | Garcia / Rice | Spirit of Daytona Racing / Porsche Coyote | - | - |
| 20 | 0 | DP | Fogarty / Gurney | GAINSCO/ Bob Stallings Racing / Chevrolet Riley | - | - |
| 21 | 0 | DP | Frisselle / Wilkins | AIM Autosport / Ford Riley | - | - |
| 22 | 0 | DP | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates / BMW Riley | - | - |
| 23 | 0 | DP | Frisselle / Valiante | Michael Shank Racing / Ford Dallara | - | - |
| 24 | 0 | DP | Davison / Lester | Starworks Motorsport / BMW Riley | - | - |
| 25 | 0 | DP | Barbosa / Borcheller / France | Action Express Racing / Porsche Riley | - | - |
| 26 | 0 | DP | Angelelli / Taylor | SunTrust Racing / Ford Dallara | - | - |
| 27 | 0 | DP | Donohue / Law | Brumos Racing / Porsche Riley | - | - |