The 1998 Lone Star 500 was Round 10 of the 1998 Pep Boys Indy Racing League. The event was held at Texas Motor Speedway in Texas, United States on 20 September 1998. Billy Boat started on pole position and John Paul Jr. was the race winner.
LONE STAR 500 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Started | Laps | Total Time | Laps Led | Status | Points | Avg. Speed | Pit Stops |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | John Paul Jr. | G-Force | Oldsmobile | Firestone | 14 | 208 | - | 31 | Running | 50 | 131.031 | - |
| 2 | 52 | Robby Unser | G-Force | Oldsmobile | Goodyear | 17 | 208 | - | 22 | Running | 40 | - | - |
| 3 | 35 | Jeff Ward | G-Force | Oldsmobile | Goodyear | 5 | 208 | - | 16 | Running | 35 | - | - |
| 4 | 23 | Roberto Guerrero | G-Force | Infiniti | Firestone | 18 | 208 | - | 22 | Running | 32 | - | - |
| 5 | 14 | Kenny Brack | Dallara | Oldsmobile | Goodyear | 10 | 207 | - | 0 | Running | 30 | - | - |
| 6 | 91 | Buddy Lazier | Dallara | Oldsmobile | Goodyear | 19 | 206 | - | 14 | Running | 28 | - | - |
| 7 | 3 | Robbie Buhl | Dallara | Oldsmobile | Firestone | 16 | 205 | - | 0 | Running | 26 | - | - |
| 8 | 19 | Stan Wattles | Riley & Scott | Oldsmobile | Goodyear | 26 | 205 | - | 0 | Running | 24 | - | - |
| 9 | 6 | Davey Hamilton | Dallara | Oldsmobile | Goodyear | 6 | 202 | - | 0 | Running | 22 | - | - |
| 10 | 28 | Mark Dismore | Dallara | Oldsmobile | Goodyear | 4 | 202 | - | 14 | Running | 20 | - | - |
| 11 | 12 | Buzz Calkins | Dallara | Oldsmobile | Goodyear | 21 | 201 | - | 0 | Running | 19 | - | - |
| 12 | 40 | Jack Miller | Dallara | Infiniti | Firestone | 22 | 201 | - | 0 | Running | 18 | - | - |
| 13 | 81 | Brian Tyler | Dallara | Oldsmobile | Firestone | 24 | 172 | - | 0 | Engine | 17 | - | - |
| 14 | 11 | Billy Boat | Dallara | Oldsmobile | Goodyear | 1 | 162 | - | 0 | Running | 19 | - | - |
| 15 | 15 | Andy Michner | Riley & Scott | Oldsmobile | Goodyear | 27 | 158 | - | 7 | Engine | 15 | - | - |
| 16 | 16 | Marco Greco | G-Force | Oldsmobile | Firestone | 15 | 133 | - | 0 | Accident | 14 | - | - |
| 17 | 30 | Raul Boesel | G-Force | Oldsmobile | Goodyear | 13 | 133 | - | 30 | Accident | 13 | - | - |
| 18 | 18 | Steve Knapp | G-Force | Oldsmobile | Goodyear | 20 | 131 | - | 0 | Running | 12 | - | - |
| 19 | 98 | Donnie Beechler | Dallara | Oldsmobile | Firestone | 25 | 122 | - | 0 | Accident | 11 | - | - |
| 20 | 1 | Tony Stewart | Dallara | Oldsmobile | Firestone | 2 | 80 | - | 51 | Engine | 14 | - | - |
| 21 | 97 | Greg Ray | Dallara | Oldsmobile | Firestone | 12 | 75 | - | 0 | Engine | 9 | - | - |
| 22 | 4 | Scott Goodyear | G-Force | Oldsmobile | Goodyear | 7 | 71 | - | 0 | Clutch | 8 | - | - |
| 23 | 8 | Scott Sharp | Dallara | Oldsmobile | Goodyear | 3 | 67 | - | 1 | Accident | 8 | - | - |
| 24 | 43 | David Steele | G-Force | Oldsmobile | Goodyear | 11 | 39 | - | 0 | Accident | 6 | - | - |
| 25 | 51 | Eddie Cheever Jr. | Dallara | Oldsmobile | Goodyear | 9 | 30 | - | 0 | Engine | 5 | - | - |
| 26 | 77 | Stephan Gregoire | Dallara | Oldsmobile | Goodyear | 8 | 18 | - | 0 | Accident | 4 | - | - |
| 27 | 99 | Sam Schmidt | Dallara | Oldsmobile | Firestone | 23 | 5 | - | 0 | Engine | 3 | - | - |
| 28 | 5 | Arie Luyendyk | G-Force | Oldsmobile | Firestone | 28 | 5 | - | 0 | Fuel Pump | 2 | - | - |