The 1998 Las Vegas 500K was Round 11 of the 1998 Pep Boys Indy Racing League. The event was held at the Las Vegas Motor Speedway in Las Vegas, Nevada, United States on 11 October 1998. Billy Boat started on pole position and Arie Luyendyk was the race winner.
LAS VEGAS 500K Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Started | Laps | Total Time | Laps Led | Status | Points | Avg. Speed | Pit Stops |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Arie Luyendyk | G-Force | Oldsmobile | Goodyear | 14 | 208 | - | 88 | Running | 52 | 135.338 | - |
| 2 | 99 | Sam Schmidt | Dallara | Oldsmobile | Firestone | 23 | 208 | - | 0 | Running | 40 | - | - |
| 3 | 91 | Buddy Lazier | Dallara | Oldsmobile | Goodyear | 17 | 208 | - | 60 | Running | 35 | - | - |
| 4 | 10 | John Paul Jr. | G-Force | Oldsmobile | Firestone | 7 | 208 | - | 8 | Running | 32 | - | - |
| 5 | 51 | Eddie Cheever Jr. | Dallara | Oldsmobile | Goodyear | 10 | 207 | - | 3 | Running | 30 | - | - |
| 6 | 81 | Brian Tyler | Dallara | Oldsmobile | Firestone | 22 | 207 | - | 0 | Running | 28 | - | - |
| 7 | 3 | Robbie Buhl | Dallara | Oldsmobile | Firestone | 5 | 206 | - | 0 | Running | 26 | - | - |
| 8 | 16 | Marco Greco | G-Force | Oldsmobile | Firestone | 3 | 206 | - | 0 | Running | 25 | - | - |
| 9 | 18 | Steve Knapp | G-Force | Oldsmobile | Goodyear | 21 | 204 | - | 0 | Running | 22 | - | - |
| 10 | 14 | Kenny Brack | Dallara | Oldsmobile | Goodyear | 6 | 202 | - | 0 | Running | 20 | - | - |
| 11 | 12 | Buzz Calkins | Dallara | Oldsmobile | Goodyear | 12 | 202 | - | 0 | Running | 19 | - | - |
| 12 | 8 | Scott Sharp | Dallara | Oldsmobile | Goodyear | 11 | 198 | - | 0 | Running | 18 | - | - |
| 13 | 19 | Stan Wattles | Riley & Scott | Oldsmobile | Goodyear | 25 | 187 | - | 0 | Accident | 17 | - | - |
| 14 | 1 | Tony Stewart | Dallara | Oldsmobile | Firestone | 2 | 178 | - | 0 | Running | 18 | - | - |
| 15 | 28 | Mark Dismore | Dallara | Oldsmobile | Goodyear | 9 | 176 | - | 0 | Suspension | 15 | - | - |
| 16 | 52 | Robby Unser | G-Force | Oldsmobile | Goodyear | 27 | 174 | - | 0 | Engine | 14 | - | - |
| 17 | 77 | Stephan Gregoire | G-Force | Oldsmobile | Goodyear | 24 | 160 | - | 0 | Running | 13 | - | - |
| 18 | 30 | Raul Boesel | G-Force | Oldsmobile | Goodyear | 20 | 144 | - | 0 | Timing Chain | 12 | - | - |
| 19 | 6 | Davey Hamilton | Dallara | Oldsmobile | Goodyear | 13 | 124 | - | 0 | Accident | 11 | - | - |
| 20 | 23 | Roberto Guerrero | G-Force | Infiniti | Firestone | 18 | 123 | - | 0 | Accident | 10 | - | - |
| 21 | 35 | Jeff Ward | G-Force | Oldsmobile | Goodyear | 8 | 120 | - | 21 | Accident | 9 | - | - |
| 22 | 4 | Scott Goodyear | G-Force | Oldsmobile | Goodyear | 15 | 117 | - | 0 | Accident | 8 | - | - |
| 23 | 98 | Donnie Beechler | Dallara | Oldsmobile | Firestone | 16 | 107 | - | 1 | Accident | 7 | - | - |
| 24 | 15 | Jim Guthrie | Riley & Scott | Oldsmobile | Goodyear | 19 | 90 | - | 0 | Suspension | 6 | - | - |
| 25 | 97 | Greg Ray | Dallara | Oldsmobile | Firestone | 4 | 76 | - | 0 | Handling | 5 | - | - |
| 26 | 11 | Billy Boat | Dallara | Oldsmobile | Goodyear | 1 | 51 | - | 27 | Accident | 7 | - | - |
| 27 | 43 | David Steele | G-Force | Oldsmobile | Goodyear | 26 | 42 | - | 0 | Suspension | 3 | - | - |
| 28 | 40 | Jack Miller | Dallara | Infiniti | Firestone | 28 | 38 | - | 0 | Handling | 2 | - | - |