Race No. 19
Marlboro 500
Presented by Toyota
California Speedway — Fontana, California
October 30 - November 1, 1998
Sunday Warmup Report
| pos | car | driver | chassis engine tire | laptime | gap to leader | gap to next | mph | km/h | 110% rule |
| 1 | 21X | Tony Kanaan (R) | 98I/HRK/F | 31.397 | 0.000 | 0.000 | 232.646 | 374.408 | n/a |
| 2 | 27 | Dario Franchitti | 98I/HRK/F | 31.418 | -0.021 | -0.021 | 232.491 | 374.158 | n/a |
| 3 | 12 | Jimmy Vasser | 98I/HRK/F | 31.419 | -0.022 | -0.001 | 232.484 | 374.146 | 100.04% |
| 4 | 5 | Gil de Ferran | 98I/HRK/G | 31.511 | -0.114 | -0.092 | 231.805 | 373.054 | 100.33% |
| 5 | 2 | Al Unser Jr. | P98/108E/G | 31.531 | -0.134 | -0.020 | 231.658 | 372.817 | 100.39% |
| 6 | 1X | Alex Zanardi | 98I/HRK/F | 31.590 | -0.193 | -0.059 | 231.225 | 372.121 | 100.58% |
| 7 | 9X | JJ Lehto (R) | 98I/108E/F | 31.618 | -0.221 | -0.028 | 231.020 | 371.791 | 100.67% |
| 8 | 99 | Greg Moore | 98I/108E/F | 31.653 | -0.256 | -0.035 | 230.765 | 371.380 | 100.78% |
| 9 | 20 | Scott Pruett | 98I/XD/F | 31.696 | -0.299 | -0.043 | 230.452 | 370.876 | 100.92% |
| 10 | 6X | Michael Andretti | 009.c/XD/G | 31.722 | -0.325 | -0.026 | 230.263 | 370.572 | 101.00% |
| 11 | 11 | Christian Fittipaldi | 009.c/XD/G | 31.728 | -0.331 | -0.006 | 230.219 | 370.502 | 101.02% |
| 12 | 6 | Michael Andretti | 009.c/XD/G | 31.733 | -0.336 | -0.005 | 230.183 | 370.444 | 101.04% |
| 13 | 7X | Bobby Rahal | 98I/XD/F | 31.747 | -0.350 | -0.014 | 230.082 | 370.280 | 101.08% |
| 14 | 10 | Richie Hearn | 009.c/XD/F | 31.796 | -0.399 | -0.049 | 229.727 | 369.710 | 101.24% |
| 15 | 17 | Mauricio Gugelmin | 98I/108E/F | 31.836 | -0.439 | -0.040 | 229.438 | 369.245 | 101.36% |
| 16 | 26 | Paul Tracy | 98I/HRK/F | 31.847 | -0.450 | -0.011 | 229.359 | 369.118 | 101.40% |
| 17 | 3X | Andre Ribeiro | P98/108E/G | 31.901 | -0.504 | -0.054 | 228.971 | 368.493 | 101.57% |
| 18 | 33 | Patrick Carpentier | 98I/108E/F | 31.910 | -0.513 | -0.009 | 228.906 | 368.389 | 101.60% |
| 19 | 18X | Mark Blundell | 98I/108E/F | 31.953 | -0.556 | -0.043 | 228.598 | 367.893 | 101.74% |
| 20 | 8 | Bryan Herta | 98I/XD/F | 32.081 | -0.684 | -0.128 | 227.686 | 366.425 | 102.14% |
| 21 | 77 | Arnd Meier | 97I/XD/G | 32.092 | -0.695 | -0.011 | 227.608 | 366.300 | 102.18% |
| 22 | 9 | JJ Lehto (R) | 98I/108E/F | 32.113 | -0.716 | -0.021 | 227.459 | 366.060 | 102.25% |
| 23 | 3 | Andre Ribeiro | P98/108E/G | 32.173 | -0.776 | -0.060 | 227.035 | 365.378 | 102.44% |
| 24 | 40 | Adrian Fernandez | 98I/XD/F | 32.217 | -0.820 | -0.044 | 226.725 | 364.879 | 102.58% |
| 25 | 18 | Mark Blundell | 98I/108E/F | 32.321 | -0.924 | -0.104 | 225.995 | 363.704 | 102.91% |
| 26 | 16 | Helio Castro-Neves (R) | 98I/108E/G | 32.357 | -0.960 | -0.036 | 225.744 | 363.300 | 103.02% |
| 27 | 24X | Robby Gordon | 98I/RV8C/F | 32.419 | -1.022 | -0.062 | 225.312 | 362.605 | 103.22% |
| 28 | 7 | Bobby Rahal | 98I/XD/F | 32.576 | -1.179 | -0.157 | 224.226 | 360.857 | 103.72% |
| 29 | 24 | Robby Gordon | 98I/RV8C/F | 32.584 | -1.187 | -0.008 | 224.171 | 360.769 | 103.75% |
| 30 | 19X | Michel Jourdain Jr. | 98I/XD/F | 32.650 | -1.253 | -0.066 | 223.718 | 360.040 | 103.96% |
| 31 | 36X | Alex Barron (R) | EA/RV8C/G | 32.651 | -1.254 | -0.001 | 223.711 | 360.029 | 103.96% |
| 32 | 25 | Max Papis | 98I/RV8C/F | 32.776 | -1.379 | -0.125 | 222.858 | 358.655 | 104.36% |
| 33 | 17X | Mauricio Gugelmin | 98I/108E/F | 32.782 | -1.385 | -0.006 | 222.817 | 358.590 | 104.38% |
| 34 | 98X | Vincenzo Sospiri | EA/RV8C/G | 32.868 | -1.471 | -0.086 | 222.234 | 357.652 | 104.65% |
| 35 | 98 | Vincenzo Sospiri | EA/RV8C/G | 33.014 | -1.617 | -0.146 | 221.252 | 356.070 | 105.12% |
| 36 | 34 | Dennis Vitolo | 98I/XD/F | 33.954 | -2.557 | -0.940 | 215.126 | 346.212 | 108.11% |