Tony Bettenhausen 100
Illinois State Fairgrounds
1 Mile Dirt Oval
100 Laps/100 Miles
August 15, 1981
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 9 | George Snider | 41 | D. Krieg Motor Home Rental | X | X | 100 | Finished | 400 |
| 2 | 11 | Larry Rice | 55 | Pizza Hut of St. Louis | X | X | 100 | Finished | 320 |
| 3 | 21 | Jim McElreath | 75 | Stanton-King Brake-O | X | X | 100 | Finished | 280 |
| 4 | 18 | Jack Hewitt | 58 | Coons Construction | X | X | 99 | Flagged | 240 |
| 5 | 6 | Joe Saldana | 33 | Johnson Sheet Metal | X | X | 97 | Out of fuel | 200 |
| 6 | 16 | Chuck Amati | 71 | Stenger Motorcraft | X | X | 97 | Flagged | |
| 7 | 24 | Johnny Coogan | 50 | Vetzel Moving and Storage | X | X | 97 | Flagged | |
| 8 | 4 | Roger Rager | 64 | McCray Plastering | X | X | 93 | Out of fuel | 100 |
| 9 | 20 | Greg Leffler | 43 | Armstrong Moulding | X | X | 88 | Drive line | 80 |
| 10 | 26 | Art Bisch, Jr. | 72 | Speed Sport West | X | X | 77 | Engine | |
| 11 | 8 | Rich Vogler | 3 | Aristocrat Products | X | X | 68 | Wrecked | 40 |
| 12 | 1 | Tom Bigelow | 56 | Genesee Beer | X | X | 68 | Wrecked | 20 |
| 13 | 15 | Gary Gray | 83 | Gapco | X | X | 68 | Wrecked | |
| 14 | 22 | Tracy Potter | 24 | Bill's Unclaimed Freight | X | X | 57 | Radius rod | |
| 15 | 5 | Ron Shuman | 90 | Oxman Publishing | X | X | 53 | Drive line | |
| 16 | 3 | Ken Schrader | 39 | Rose Brothers Trucking | X | X | 47 | Engine | |
| 17 | 23 | Billy Vukovich, Jr. | 30 | Plastic Express | X | X | 33 | Fuel line | 8 |
| 18 | 25 | Bobby Olivero | 5 | Moran Electric | X | X | 32 | Timing gear | 8 |
| 19 | 19 | Mark Alderson | 97 | D.J. Construction | X | X | 23 | Torsion bar | |
| 20 | 2 | Gary Bettenhausen | 1 | Terre Haute 1st National Bank | X | X | 22 | Rear end | 8 |
| 21 | 13 | Larry Dickson | 18 | Jo-Ol Racing | X | X | 21 | Ignition | 6 |
| 22 | 7 | Sheldon Kinser | 11 | Ben's Tire Clinic | X | X | 15 | Engine | 6 |
| 23 | 17 | Larry Martin | 20 | Peterson/Niebel Racing | X | X | 10 | Sway bar | |
| 24 | 10 | Johnny Parsons | 17 | Smith Speed Shop | X | X | 0 | Wrecked | 6 |
| 25 | 12 | Manny Rockhold | 76 | Automotive Machine | X | X | 0 | Wrecked | |
| 26 | 14 | Steve Chassey | 49 | Cook-Stapp Racing | X | X | 0 | Wrecked | 4 |
| -- | 27 | Jack Ziegler | 59 | David W. Robinson | X | X | -- | DNS, too slow | |
| -- | 28 | Smokey Snellbaker | 54 | Lloyd Racing Enterprises | X | X | -- | DNS, too slow | |
| -- | 29 | Steve Cannon | 57 | Roberts Steel Erection | X | X | -- | DNS, too slow | |
| -- | 30 | Bill Engelhart | 28 | Mattox Ice | X | X | -- | DNS, too slow | |
| -- | 31 | Gary Patterson | 45 | AAI-Maaco | X | X | -- | DNS, too slow | |
| -- | 32 | Arnie Knepper | 35 | Kwik Way Machine | X | X | -- | DNS, too slow | |
| -- | 33 | Gary Hieber | 47 | Scrappy's Auto Service | X | X | -- | DNS, too slow | |
| -- | 34 | Eddie Leavitt | 53 | Commercial Truck Components | X | X | -- | DNS, too slow | |
| -- | 35 | Lennie Waldo | 81 | Red Roof Inns | X | Chevy | -- | DNS, too slow | |
| -- | 36 | Bill Tyler | 7 | LaGrande, Inc. | X | X | -- | DNS, too slow | |
| -- | 37 | Richard Powell | 77 | Comet Industries | X | X | -- | DNS, too slow | |
| -- | -- | Mack McClellan | 89 | Soubiron Racing | X | X | -- | DNQ, broken rear end | |
| -- | -- | Duke Cook | 25 | Double A Racing | X | X | -- | Did not qualify | |
| -- | -- | Karl Busson | 31 | Raceweld Charger | X | X | -- | Did not qualify | |
| -- | -- | Ron Burke | 32 | Montgomery Auto Rebuilders | X | X | -- | Did not qualify | |
| -- | -- | Paul Pitzer | 51 | GCQ Racing | X | X | -- | Did not qualify | |
| -- | -- | Ron Fieller | 66 | Grant King | X | X | -- | Did not qualify | |
| -- | -- | Rick Hood | 80 | Corci Cabinet | X | X | -- | Did not qualify | |
| -- | -- | Bud Wilmot | 84 | Madison Inn | X | X | -- | Did not qualify | |
| -- | -- | Bobby Marshall | 19 | Bob Marshal | X | X | -- | Did not arrive | |
| -- | -- | Jerry Stone | 21 | Ofixco | X | X | -- | Did not arrive | |
| -- | -- | Bill Compton | 22 | Leslie Oil | X | X | -- | Did not arrive | |
| -- | -- | Mike Gregg | 27 | Roger Mauro Ferrari | X | X | -- | Did not arrive | |
| -- | -- | Dean Shirley | 61 | W & W Molded Plastics | X | X | -- | Did not arrive | |
| -- | -- | Jerry Potter | 62 | Joe Boot | X | X | -- | Did not arrive | |
| -- | -- | Buddy Boys | 67 | B. B. Special | X | X | -- | Did not arrive | |
| -- | -- | Lonnie Caruthers | 78 | Dan Conrad & Sons | X | X | -- | Did not arrive | |
| -- | -- | Jerry Miller | 85 | Miller | X | X | -- | Did not arrive | |
| -- | -- | Steve Kinser | 75 | Stanton/Bill King's Brake-O Special | X | X | -- | Driven by McElreath | |
| Lap Leaders | Total | Laps |
| Tom Bigelow | 65 | 1-65 |
| George Snider | 23 | 66-72, 85-100 |
| Roger Rager | 12 | 73-84 |