Miami: Practice 1 Times
| Pos | C.Pos | Class | Driver | Team | Time | Speed |
|---|---|---|---|---|---|---|
| 1 | 1 | DP | Fogarty / Gurney | GAINSCO/ Bob Stallings Racing / Chevrolet Riley | 1:11.844 | 115.249 |
| 2 | 2 | DP | Pruett / Rojas | Chip Ganassi Racing with Felix Sabates / BMW Riley 1:12.315 | 114.499 | |
| 3 | 3 | DP | Donohue / Law | Brumos Racing / Porsche Riley 1:12.389 | 114.382 | |
| 4 | 4 | DP | Hunter-Reay / Tucker | Level 5 Motorsports / BMW Riley 1:12.471 | 114.252 | |
| 5 | 5 | DP | Angelelli / Taylor | SunTrust Racing / Ford Dallara 1:12.502 | 114.203 | |
| 6 | 6 | DP | Frisselle / Valiante | Michael Shank Racing / Ford Riley 1:12.514 | 114.184 | |
| 7 | 7 | DP | Barbosa / Borcheller | Action Express Racing / Porsche Riley 1:12.556 | 114.118 | |
| 8 | 8 | DP | Jonsson / Krohn | Krohn Racing / Ford Lola 1:12.752 | 113.811 | |
| 9 | 9 | DP | Negri / Pew | Michael Shank Racing / Ford Riley 1:12.833 | 113.684 | |
| 10 | 10 | DP | Bouchut / Tucker | Level 5 Motorsports / BMW Riley 1:13.030 | 113.378 | |
| 11 | 11 | DP | Frisselle / Wilkins | AIM Autosport / Ford Riley 1:13.078 | 113.303 | |
| 12 | 12 | DP | Garcia / Rice | Spirit of Daytona Racing / Porsche Coyote 1:13.183 | 113.141 | |
| 13 | 13 | DP | Gidley / von Moltke | Doran Racing / Ford Dallara 1:13.335 | 112.906 | |
| 14 | 14 | DP | Dalziel / Forest | Starworks Motorsport / BMW Riley 1:13.411 | 112.789 | |
| 15 | 15 | DP | James / Lester | Starworks Motorsport / BMW Riley 1:13.825 | 112.157 | |
| 16 | 1 | GT | Pumpelly / Saravia Toriello | TRG / Porsche GT3 1:18.303 | 105.743 | |
| 17 | 2 | GT | Edwards / Reese / Russell | Banner Racing / Corvette 1:18.389 | 105.627 | |
| 18 | 3 | GT | Bomarito / Tremblay | SpeedSource / Mazda RX-8 1:18.568 | 105.386 | |
| 19 | 4 | GT | Lamb / Taylor | Racers Edge Motorsports / Mazda RX-8 1:18.774 | 105.11 | |
| 20 | 5 | GT | Christodoulou / Edwards | SpeedSource/Newman Wachs Racing / Mazda RX-8 1:18.778 | 105.105 | |
| 21 | 6 | GT | Davis / Liddell | Stevenson Motorsports / Camaro GT.R 1:18.792 | 105.086 | |
| 22 | 7 | GT | Potter / Stanton | Magnus Racing / Porsche GT3 1:18.915 | 104.923 | |
| 23 | 8 | GT | Assentato / Segal | SpeedSource / Mazda RX-8 1:18.946 | 104.881 | |
| 24 | 9 | GT | Ballou / Lally | TRG / Porsche GT3 1:18.993 | 104.819 | |
| 25 | 10 | GT | Nonnamaker / Nonnamaker | Team Sahlen / Mazda RX-8 1:19.200 | 104.545 | |
| 26 | 11 | GT | Magnussen / Schaldach | Stevenson Motorsports / Camaro GT.R 1:19.489 | 104.165 | |
| 27 | 12 | GT | Dempsey / Foster | Dempsey Racing / Mazda RX-8 1:19.523 | 104.12 | |
| 28 | 13 | GT | Gue / Keen | Dempsey Racing / Mazda RX-8 1:19.669 | 103.93 | |
| 29 | 14 | GT | Hines / Miller | Miller Barrett Racing / Porsche GT3 1:19.873 | 103.664 | |
| 30 | 15 | GT | Collins / Lux | LG Motorsports / Corvette 1:20.379 | 103.011 | |
| 31 | 16 | GT | Nonnamaker / Sahlen | Team Sahlen / Mazda RX-8 1:20.710 | 102.589 | |
| 32 | 17 | GT | Lewis / Zahn | Autohaus Motorsports / Porsche GT3 1:20.884 | 102.368 | |
| 33 | 18 | GT | Grant / Grant / Grant | Grant Racing/901 Shop / Porsche GT3 1:22.499 | 100.364 | |
| 34 | 19 | GT | Auberlen / Dalla Lana / Hand | Turner Motorsport / BMW M6 1:42.653 | 80.66 |