August 17, 2003 | Race 23 of 36 | Practice 1
| FIN | CAR | DRIVER | MAKE | SPONSOR | SPEED | TIME | BEHIND |
|---|---|---|---|---|---|---|---|
| 1 | 12 | Ryan Newman | Dodge | Alltel | 188.378 | 38.221 | Leader |
| 2 | 38 | Elliott Sadler | Ford | M&M's | 188.157 | 38.266 | -0.045 |
| 3 | 29 | Kevin Harvick | Chevrolet | GM Goodwrench Service | 187.373 | 38.426 | -0.205 |
| 4 | 18 | Bobby Labonte | Chevrolet | Interstate Batteries | 187.315 | 38.438 | -0.217 |
| 5 | 8 | Dale Earnhardt Jr. | Chevrolet | Budweiser | 187.091 | 38.484 | -0.263 |
| 6 | 97 | Kurt Busch | Ford | Rubbermaid | 186.843 | 38.535 | -0.314 |
| 7 | 88 | Dale Jarrett | Ford | UPS | 186.567 | 38.592 | -0.371 |
| 8 | 48 | Jimmie Johnson | Chevrolet | Lowe's | 186.485 | 38.609 | -0.388 |
| 9 | 20 | Tony Stewart | Chevrolet | Home Depot | 186.369 | 38.633 | -0.412 |
| 10 | 5 | Terry Labonte | Chevrolet | Kellogg's / got milk? | 186.364 | 38.634 | -0.413 |
| 11 | 77 | Dave Blaney | Ford | Jasper Engines & Transmissions | 186.191 | 38.670 | -0.449 |
| 12 | 0 | Jason Leffler | Pontiac | NetZero HiSpeed | 185.989 | 38.712 | -0.491 |
| 13 | 30 | Steve Park | Chevrolet | America Online | 185.845 | 38.742 | -0.521 |
| 14 | 17 | Matt Kenseth | Ford | DEWALT Power Tools | 185.826 | 38.746 | -0.525 |
| 15 | 24 | Jeff Gordon | Chevrolet | DuPont | 185.811 | 38.749 | -0.528 |
| 16 | 22 | Ward Burton | Dodge | Caterpillar | 185.739 | 38.764 | -0.543 |
| 17 | 25 | Joe Nemechek | Chevrolet | UAW / Delphi | 185.639 | 38.785 | -0.564 |
| 18 | 15 | Michael Waltrip | Chevrolet | NAPA Auto Parts | 185.476 | 38.819 | -0.598 |
| 19 | 2 | Rusty Wallace | Dodge | Miller Lite | 185.471 | 38.820 | -0.599 |
| 20 | 10 | Johnny Benson | Pontiac | Valvoline | 185.195 | 38.878 | -0.657 |
| 21 | 6 | Mark Martin | Ford | Viagra | 185.047 | 38.909 | -0.688 |
| 22 | 41 | Casey Mears* | Dodge | Target | 185.042 | 38.910 | -0.689 |
| 23 | 43 | Christian Fittipaldi | Dodge | Cheerios | 184.947 | 38.930 | -0.709 |
| 24 | 19 | Jeremy Mayfield | Dodge | Dodge Dealers | 184.919 | 38.936 | -0.715 |
| 25 | 40 | Sterling Marlin | Dodge | Coors Light | 184.905 | 38.939 | -0.718 |
| 26 | 1 | Jeff Green | Chevrolet | Pennzoil | 184.862 | 38.948 | -0.727 |
| 27 | 74 | Tony Raines* | Chevrolet | GFS Marketplace | 184.814 | 38.958 | -0.737 |
| 28 | 31 | Robby Gordon | Chevrolet | Cingular Wireless | 184.810 | 38.959 | -0.738 |
| 29 | 23 | Kenny Wallace | Dodge | Stacker 2 | 184.625 | 38.998 | -0.777 |
| 30 | 16 | Greg Biffle* | Ford | Grainger | 184.464 | 39.032 | -0.811 |
| 31 | 9 | Bill Elliott | Dodge | Dodge Dealers | 184.308 | 39.065 | -0.844 |
| 32 | 21 | Ricky Rudd | Ford | Motorcraft Quality Parts | 184.285 | 39.070 | -0.849 |
| 33 | 01 | Mike Skinner | Pontiac | U.S. Army | 184.040 | 39.122 | -0.901 |
| 34 | 57 | Kevin Lepage | Ford | CLR | 183.974 | 39.136 | -0.915 |
| 35 | 99 | Jeff Burton | Ford | CITGO | 183.941 | 39.143 | -0.922 |
| 36 | 32 | Ricky Craven | Pontiac | Tide | 183.795 | 39.174 | -0.953 |
| 37 | 154 | Todd Bodine | Ford | National Guard | 183.753 | 39.183 | -0.962 |
| 38 | 49 | Ken Schrader | Dodge | SEM Products | 183.688 | 39.197 | -0.976 |
| 39 | 7 | Jimmy Spencer | Dodge | Sirius Satellite Radio | 183.313 | 39.277 | -1.056 |
| 40 | 37 | Derrike Cope | Chevrolet | Friendly's Ice Cream | 183.267 | 39.287 | -1.066 |
| 41 | 45 | Kyle Petty | Dodge | Georgia-Pacific | 183.160 | 39.310 | -1.089 |
| 42 | 4 | Stacy Compton | Pontiac | Kodak Perfect Touch | 181.832 | 39.597 | -1.376 |
| 43 | 42 | Jamie McMurray* | Dodge | Havoline | 181.497 | 39.670 | -1.449 |
| 44 | 150 | Larry Foyt* | Dodge | Harrah's | 181.488 | 39.672 | -1.451 |
| 45 | 179 | Rich Bickle | Chevrolet | SBC Smart Pages | - | - | - |
| 46 | 11 | Brett Bodine | Ford | Brett Bodine Racing | - | - | - |
| 47 | 189 | Morgan Shepherd | Ford | Racing With Jesus / Red Line Oil | - | - | - |