The 1999 Longhorn 500 was Round 4 of the 1999 Pep Boys Indy Racing League. The event was held at Texas Motor Speedway in Texas, United States on 12 June 1999. Mark Dismore started on pole position and Scott Goodyear was the race winner.
LONGHORN 500 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Started | Laps | Total Time | Laps Led | Status | Points | Avg. Speed | Pit Stops |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Scott Goodyear | G-Force | Oldsmobile | Goodyear | 8 | 208 | - | 43 | Running | 50 | 151.177 | - |
| 2 | 2 | Greg Ray | Dallara | Oldsmobile | Firestone | 4 | 208 | - | 56 | Running | 42 | - | - |
| 3 | 99 | Sam Schmidt | G-Force | Oldsmobile | Firestone | 6 | 208 | - | 15 | Running | 35 | - | - |
| 4 | 7 | Stephan Gregoire | G-Force | Oldsmobile | Firestone | 16 | 208 | - | 0 | Running | 32 | - | - |
| 5 | 6 | Eliseo Salazar | G-Force | Oldsmobile | Firestone | 20 | 206 | - | 0 | Running | 30 | - | - |
| 6 | 81 | Robby Unser | Dallara | Oldsmobile | Firestone | 12 | 206 | - | 11 | Running | 28 | - | - |
| 7 | 9 | Davey Hamilton | Dallara | Oldsmobile | Goodyear | 15 | 205 | - | 0 | Running | 26 | - | - |
| 8 | 28 | Mark Dismore | Dallara | Oldsmobile | Goodyear | 1 | 205 | - | 0 | Running | 27 | - | - |
| 9 | 12 | Buzz Calkins | G-Force | Oldsmobile | Firestone | 14 | 205 | - | 0 | Running | 22 | - | - |
| 10 | 8 | Scott Sharp | Dallara | Oldsmobile | Goodyear | 2 | 203 | - | 28 | Running | 22 | - | - |
| 11 | 22 | Ronnie Johncox | Dallara | Oldsmobile | Goodyear | 10 | 203 | - | 0 | Running | 19 | - | - |
| 12 | 35 | Steve Knapp | G-Force | Oldsmobile | Goodyear | 17 | 202 | - | 0 | Running | 18 | - | - |
| 13 | 14 | Kenny Brack | Dallara | Oldsmobile | Goodyear | 9 | 201 | - | 0 | Running | 17 | - | - |
| 14 | 91 | Buddy Lazier | Dallara | Oldsmobile | Goodyear | 24 | 200 | - | 0 | Running | 16 | - | - |
| 15 | 92 | Johnny Unser | Dallara | Oldsmobile | Goodyear | 18 | 200 | - | 0 | Running | 15 | - | - |
| 16 | 51 | Eddie Cheever Jr. | Dallara | Infiniti | Goodyear | 5 | 188 | - | 13 | Electrical | 14 | - | - |
| 17 | 98 | Donnie Beechler | Dallara | Oldsmobile | Firestone | 25 | 179 | - | 0 | Contact | 13 | - | - |
| 18 | 21 | Jeff Ward | Dallara | Oldsmobile | Goodyear | 7 | 176 | - | 7 | Running | 12 | - | - |
| 19 | 55 | Robby McGehee | Dallara | Oldsmobile | Firestone | 21 | 168 | - | 0 | Wheel Bearing | 11 | - | - |
| 20 | 42 | John Hollansworth Jr. | Dallara | Oldsmobile | Firestone | 13 | 146 | - | 0 | Gearbox | 10 | - | - |
| 21 | 20 | Tyce Carlson | Dallara | Oldsmobile | Firestone | 3 | 127 | - | 0 | Contact | 10 | - | - |
| 22 | 33 | Jaques Lazier | G-Force | Oldsmobile | Goodyear | 19 | 94 | - | 9 | Contact | 8 | - | - |
| 23 | 3 | Raul Boesel | Riley & Scott | Oldsmobile | Goodyear | 23 | 70 | - | 0 | Rear Suspension | 7 | - | - |
| 24 | 11 | Billy Boat | Dallara | Oldsmobile | Goodyear | 11 | 47 | - | 0 | Engine | 6 | - | - |
| 25 | 30 | Jimmy Kite | G-Force | Oldsmobile | Firestone | 22 | 19 | - | 0 | Oil Leak | 5 | - | - |
| 26 | 66 | Scott Harrington | Dallara | Oldsmobile | Firestone | 26 | 0 | - | 0 | DNS | 4 | - | - |