Audi Sports Car Championships
    Mazda Raceway 
    Laguna Seca - Monterey, CA
    Friday, October 15, 
    2004
  
    Official Practice Session #1 
  
| Pos | No. | Name | Best Time | In Lap | Last Time | Laps | Best Speed | 
|---|---|---|---|---|---|---|---|
| 1 | 2 | Michael McDowell | 1:21.873 | 11 | 1:21.873 | 11 | 98.406 | 
| 2 | 31 | Scott Jenkins | 1:22.299 | 11 | 1:22.299 | 11 | 97.897 | 
| 3 | 69 | David Stover | 1:23.335 | 9 | 1:23.436 | 10 | 96.680 | 
| 4 | 23 | Jonathan Bomarito | 1:23.369 | 12 | 1:23.369 | 12 | 96.640 | 
| 5 | 11 | Nick Steele | 1:23.423 | 10 | 1:23.423 | 10 | 96.578 | 
| 6 | 26 | Michael Potekhen | 1:23.652 | 10 | 1:24.132 | 11 | 96.313 | 
| 7 | 21 | CR Crews III | 1:23.653 | 11 | 1:23.653 | 11 | 96.312 | 
| 8 | 98 | Robbie Pecorari | 1:23.758 | 10 | 1:32.817 | 11 | 96.191 | 
| 9 | 33 | Brad Coleman | 1:23.941 | 8 | 1:23.941 | 8 | 95.982 | 
| 10 | 43 | Andre' Desmarais | 1:23.946 | 11 | 1:23.946 | 11 | 95.976 | 
| 11 | 19 | Daniel Di Leo | 1:23.976 | 10 | 1:24.050 | 11 | 95.942 | 
| 12 | 48 | Colin Braun | 1:24.034 | 10 | 1:25.161 | 11 | 95.875 | 
| 13 | 76 | Moses Smith | 1:24.238 | 9 | 1:25.721 | 10 | 95.643 | 
| 14 | 42 | Mike Anderson | 1:24.267 | 10 | 1:24.731 | 11 | 95.610 | 
| 15 | 15 | Brian Frisselle | 1:24.392 | 10 | 1:25.291 | 12 | 95.469 | 
| 16 | 38 | Ryan Justice | 1:24.504 | 10 | 1:24.504 | 10 | 95.342 | 
| 17 | 87 | Doug Peterson | 1:24.562 | 9 | 1:24.562 | 9 | 95.277 | 
| 18 | 77 | Brian Thienes | 1:24.683 | 10 | 1:24.683 | 10 | 95.141 | 
| 19 | 1 | Luis Schiavo | 1:24.731 | 11 | 1:24.731 | 11 | 95.087 | 
| 20 | 34 | Jamie Bach | 1:24.755 | 11 | 1:24.755 | 11 | 95.060 | 
| 21 | 97 | Jonathan Klein | 1:25.685 | 6 | 1:27.432 | 8 | 94.028 | 
| 22 | 20 | Ross Smith | 1:26.159 | 10 | 1:26.159 | 10 | 93.511 | 
| 23 | 24 | Jon Brownson | 1:26.502 | 8 | 1:31.424 | 10 | 93.140 | 
| 24 | 55 | Richard Fullerton | 1:28.160 | 6 | 1:28.160 | 6 | 91.388 | 
| 25 | 44 | John Faulkner | 1:28.567 | 9 | 1:28.649 | 10 | 90.968 | 
| 26 | 45 | Mark Pavan | 1:28.643 | 9 | 1:30.782 | 11 | 90.890 | 
| 27 | 14 | Frank McCormick | 1:29.245 | 8 | 1:29.245 | 8 | 90.277 | 
| 28 | 18 | Kurt Roehrig | 1:30.069 | 9 | 1:30.069 | 9 | 89.451 | 
| 29 | 64 | Patrick O'Neill | 1:30.233 | 9 | 1:30.666 | 11 | 89.289 | 
| 30 | 58 | Dan Tomlin Jr. | 1:30.299 | 9 | 1:31.313 | 11 | 89.224 | 
| 31 | 16 | Mark Patterson | 1:30.946 | 9 | 1:30.946 | 9 | 88.589 | 
| 32 | 88 | Dan Weyland | 1:31.155 | 9 | 1:35.276 | 10 | 88.386 | 
| 33 | 35 | Tom Mabey | 1:31.551 | 9 | 1:31.551 | 9 | 88.003 | 
| 34 | 25 | Phil Saville | 1:33.106 | 10 | 1:33.106 | 10 | 86.534 | 
| 35 | 37 | Jim Malackowski | 1:36.927 | 9 | 1:36.927 | 9 | 83.122 | 
| 36 | 70 | Raphael Matos | 1:59.403 | 1 | 1:59.403 | 1 | 67.476 | 
| 37 | 27 | John Pew | 2:07.040 | 1 | 2:07.040 | 1 | 63.419 | 
| 38 | 66 | Emmett Murphy | 2:07.042 | 1 | 2:07.042 | 1 | 63.418 | 
| 39 | 72 | Ginni Swanton | 2:22.237 | 1 | 9:37.835 | 2 | 56.643 | 
| 40 | 67 | Richard Haskell | 2:25.187 | 3 | 2:25.187 | 3 | 55.493 | 
| 41 | 39 | Steve Cook | 2:29.100 | 1 | 9:30.693 | 2 | 54.036 |