Ted Horn Memorial
DuQuoin State Fairgrounds
1 Mile Dirt Oval
100 Laps/100 Miles
September 2, 1968
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 6 | Mario Andretti | 2 | Overseas National Airways | Kuzma | Offy | 100 | 1:05:33:66 91.518 | 200 |
| 2 | 3 | A. J. Foyt | 1 | Sheraton-Thompson | Meskowski | Offy | 100 | Finished | 160 |
| 3 | 4 | Billy Vukovich, Jr. | 98 | Wagner Lockheed Brake Fluid | Watson | Offy | 100 | Finished | 140 |
| 4 | 16 | Gary Bettenhausen | 11 | Thermo King Auto Air Conditioning | Ward | Offy | 99 | Flagged | 120 |
| 5 | 9 | Roger McCluskey | 8 | G. C. Murphy | Kuzma | Offy | 99 | Flagged | 100 |
| 6 | 12 | Tom Bigelow | 84 | Midwest Manufacturing | Kurtis4000 | Offy | 98 | Flagged | 80 |
| 7 | 1 | Al Unser | 5 | Retzloff Chemical | Dunlop | Offy | 98 | Flagged | 60 |
| 8 | 11 | Jerry Daniels | 20 | S & D | Meskowski | Chevy | 96 | Flagged | 50 |
| 9 | 18 | George Benson | 68 | Maxson | Meskowski | Offy | 95 | Flagged | 40 |
| 10 | 13 | George Snider | 90 | Zecol-Lubaid | Watson | Offy | 92 | Flagged | 30 |
| 11 | 2 | Bill Puterbaugh | 77 | Dayton Steel Wheel | Silnes | Offy | 92 | Flagged | 20 |
| 12 | 7 | Bruce Jacobi | 76 | Windmill Truckers Center | Silnes | Offy | 92 | Flagged | 10 |
| 13 | 8 | Carl Williams | 52 | Vargo Excavating | Meskowski | Offy | 89 | Flagged | |
| 14 | 14 | Art Pollard | 31 | McClure Plastics | Vollstedt | Offy | 70 | Wrecked | |
| 15 | 10 | Jim Malloy | 67 | Jim Robbins Seat Belt | King | Ford | 55 | Flagged | |
| 16 | 17 | Arnie Knepper | 19 | M.V.S. | Ward | Offy | 32 | Engine | |
| 17 | 15 | Ralph Liguori | 99 | Joe Hunt Magneto | Lesovsky | Offy | 31 | Lost brakes | |
| 18 | 5 | Bobby Unser | 3 | Rislone | Watson | Offy | 24 | Ignition | |
| -- | -- | Chuck Booth | 44 | Boyce Holt Racing | Turner | Offy | -- | DNS, too slow | |
| -- | -- | Karl Busson | 108 | Cavanaugh | Kurtis FE | Chevy | -- | DNS, too slow | |
| -- | -- | Larry Dickson | 45 | Weinberger Homes | Blum | Offy | -- | DNS, too slow | |
| -- | -- | Rollie Beale | 12 | Kilman | Meskowski | Offy | -- | Did not qualify | |
| -- | -- | Wally Dallenbach | 54 | Valvoline | Vollstedt | Offy | -- | DNS, too slow | |
| -- | -- | Bobby Grim | 62 | Cleaver-Brooks | Edmunds | Offy TC | -- | DNS, too slow | |
| -- | -- | Ernie Koch | 69 | B & K | Kuzma | Offy | -- | DNS, too slow | |
| -- | -- | Bud Tingelstad | 10 | Federal Engineering | Meskowski | Offy | -- | DNS, too slow | |
| -- | -- | Greg Weld | 70 | Smith Speed Ship | Ward | Offy | -- | DNS, too slow | |
| -- | -- | Roger West | 58 | T. D. Enterprises | Lesovsky | Offy | -- | DNS, too slow | |
| -- | -- | Lloyd Ruby | 25 | Gene White | Mongoose | Offy | -- | DNS, too slow | |
| -- | -- | Bruce Walkup | 59 | Cleaver-Brooks | Edmunds | Offy TC | -- | Did not qualify | |
| -- | -- | Jim Reynard | 66 | Eastside Racing | Kuzma | Offy | -- | Did not qualify | |
| -- | -- | Mel Kenyon | X | X | X | X | -- | Did not qualify | |
| -- | -- | Jigger Sirois | X | X | X | X | -- | Did not qualify |
| Lap Leaders | Total | Laps |
| Mario Andretti | 94 | 7-100 |
| Billy Vukovich, Jr. | 6 | 1-6 |