1998 Indy Racing League season Season summary Season summary

| Rnd | Date_ | Location_ | Laps | Distance | Time_ | Speed_km_h | Winner | Pole_Position | Most_Leading_Laps | Fastest_Race_Lap_ |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | January 24 | Walt Disney World Speedway, Florida | 200 | 200 mi (320 km) | 2`06:04.000 | 153.186 | Tony Stewart | Tony Stewart | Tony Stewart | Kenny Bräck |
| 2 | March 22 | Phoenix International Raceway, Arizona | 200 | 200 mi (320 km) | 2`02:18.735 | 157.888 | Scott Sharp | Jeff Ward | Tony Stewart | Tony Stewart |
| 3 | May 24 | Indianapolis Motor Speedway, Indiana | 200 | 500 mi (800 km) | 3`26:40.524 | 233.598 | Eddie Cheever | Billy Boat | Eddie Cheever | Tony Stewart |
| 4 | June 6 | Texas Motor Speedway, Texas | 208 | 312 mi (502 km) | 2`08:45.543 | 233.973 | Billy Boat | Tony Stewart | Billy Boat | Tony Stewart |