- 2003 O'Reilly 400K Results Stock Car Online Results Reference
- 2003 O'Reilly 400K Results Stock Car Online Results Reference
| fin | qual | driver | laps led | car | sponsor | pts | laps | status | earnings |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Brendan Gaughan | 16 | #62 Dodge Ram | The Orleans Hotel | 180 | 167 | Finish | $66,700 |
| 2 | 16 | Carl Edwards | 37 | #99 Ford | Roush Racing | 175 | 167 | Finish | $45,225 |
| 3 | 9 | Jon Wood | 20 | #50 Ford | Roush Racing | 170 | 167 | Finish | $31,175 |
| 4 | 3 | Travis Kvapil | 0 | #16 Chevy | IWX Motor Freight | 160 | 167 | Finish | $20,850 |
| 5 | 6 | Dennis Setzer | 0 | #46 Chevy | Acxiom / Computer Associates | 155 | 167 | Finish | $16,100 |
| 6 | 12 | David Starr | 0 | #75 Chevy | Spears Manufacturing | 150 | 167 | Finish | $14,675 |
| 7 | 1 | Bobby Hamilton | 71 | #4 Dodge | Square D | 156 | 167 | Finish | $14,450 |
| 8 | 10 | Chad Chaffin | 0 | #18 Dodge | Dickies | 142 | 167 | Finish | $13,900 |
| 9 | 8 | Terry Cook | 0 | #29 Ford | Power Stroke Diesel / Oil Mate | 138 | 167 | Finish | $13,700 |
| 10 | 15 | Matt Crafton | 0 | #88 Chevy | Menards / Enzyme Solutions | 134 | 167 | Finish | $14,850 |
| 11 | 27 | Eric Jones | 0 | #03 Chevy | Team EJP | 130 | 167 | Finish | $12,600 |
| 12 | 13 | Bill Lester | 0 | #8 Dodge | Dodge Motorsports | 127 | 167 | Finish | $13,165 |
| 13 | 4 | Ted Musgrave | 0 | #1 Dodge | Mopar Performance | 124 | 167 | Finish | $13,065 |
| 14 | 2 | Rick Crawford | 23 | #14 Ford | Circle Bar Motel & RV Park | 126 | 165 | Finish | $12,965 |
| 15 | 17 | Jody Lavender | 0 | #08 Chevy | Albertsons | 118 | 165 | Finish | $13,315 |
| 16 | 19 | Randy MacDonald | 0 | #72 Chevy | U.S. Security | 115 | 164 | Finish | $12,765 |
| 17 | 29 | Ricky Sanders | 0 | #19 Ford | Sanders Racing | 112 | 162 | Finish | $10,415 |
| 18 | 32 | Shawna Robinson | 0 | #49 Chevy | Aaron's | 109 | 162 | Finish | $10,315 |
| 19 | 33 | Aaron Daniel | 0 | #11 Ford | Team Chick Motorsports | 106 | 161 | Finish | $10,215 |
| 20 | 22 | Randy Briggs | 0 | #53 Ford | Race Shops For Rent | 103 | 160 | Finish | $12,465 |
| 21 | 24 | Jerry Hill | 0 | #5 Dodge | Ware Racing Enterprises | 100 | 159 | Finish | $12,265 |
| 22 | 18 | Tina Gordon | 0 | #31 Dodge | Microtel Inn & Suites | 97 | 159 | Finish | $12,165 |
| 23 | 31 | Johnny Borneman III | 0 | #81 Ford | Red Line Oil | 94 | 156 | Finish | $9,815 |
| 24 | 14 | Rich Bickle | 0 | #15 Ford | Vokal Clothing | 91 | 144 | Finish | $10,715 |
| 25 | 23 | Donnie Neuenberger | 0 | #66 Dodge | 97.1 The Eagle | 88 | 116 | Engine | $10,615 |
| 26 | 11 | Robert Pressley | 0 | #59 Dodge | Harris Trucking / S-Line | 85 | 105 | Finish | $9,515 |
| 27 | 7 | Jason Leffler | 0 | #2 Dodge | Team ASE / Carquest | 82 | 58 | Engine | $9,415 |
| 28 | 21 | Phil Bonifield | 0 | #86 Chevy | Embassy Suites | 79 | 53 | Transmission | $9,315 |
| 29 | 20 | Stan Boyd | 0 | #07 Chevy | Green Light Racing | 76 | 42 | Exhaust | $9,215 |
| 30 | 28 | Chris Horn | 0 | #58 Chevy | Horn Auto Racing | 73 | 31 | Electrical | $9,115 |
| 31 | 36 | Patrick Lawler | 0 | #0 Chevy | Intensitee Custom Racewear | 0 | 8 | Transmission | $8,990 |
| 32 | 30 | L.W. Miller | 0 | #35 Ford | Sof Sole | 67 | 7 | Brakes | $8,890 |
| 33 | 25 | Jamie Aube | 0 | #23 Chevy | Red Line Synthetic Oil | 64 | 5 | Driveshaft | $8,790 |
| 34 | 26 | Michael Dokken | 0 | #93 Chevy | Troxell Construction | 61 | 4 | Rear End | $8,765 |
| 35 | 34 | Lance Hooper | 0 | #9 Ford | Fasscore Motorsports | 0 | 1 | Vibration | $8,740 |
| 36 | 35 | Wayne Edwards | 0 | #25 Chevy | Lane Automotive | 0 | 1 | Vibration | $8,715 |