Race No. 12
US 500
Presented by Toyota
Michigan Speedway — Brooklyn, Michigan
July 24-26, 1998
Sunday Warmup Report
| pos | car | driver | chassis engine tire | laptime | gap to leader | gap to next | mph | km/h | 110% rule |
| 1 | 21 | Tony Kanaan (R) | 98I/HRK/F | 31.493 | 0.000 | 0.000 | 228.622 | 367.932 | n/a |
| 2 | 12 | Jimmy Vasser | 98I/HRK/F | 31.566 | -0.073 | -0.073 | 228.094 | 367.081 | n/a |
| 3 | 1 | Alex Zanardi | 98I/HRK/F | 31.647 | -0.154 | -0.081 | 227.510 | 366.141 | 100.37% |
| 4 | 99 | Greg Moore | 98I/108E/F | 31.747 | -0.254 | -0.100 | 226.793 | 364.988 | 100.69% |
| 5 | 11X | Christian Fittipaldi | 009.c/XD/G | 31.775 | -0.282 | -0.028 | 226.593 | 364.666 | 100.78% |
| 6 | 26 | Paul Tracy | 98I/HRK/F | 31.827 | -0.334 | -0.052 | 226.223 | 364.071 | 100.94% |
| 7 | 10X | Richie Hearn | 009.c/XD/F | 31.922 | -0.429 | -0.095 | 225.550 | 362.987 | 101.25% |
| 8 | 20 | Scott Pruett | 98I/XD/F | 31.926 | -0.433 | -0.004 | 225.522 | 362.942 | 101.26% |
| 9 | 40 | Adrian Fernandez | 98I/XD/F | 31.958 | -0.465 | -0.032 | 225.296 | 362.578 | 101.36% |
| 10 | 17 | Mauricio Gugelmin | 98I/108E/F | 31.963 | -0.470 | -0.005 | 225.260 | 362.522 | 101.38% |
| 11 | 9 | JJ Lehto (R) | 98I/108E/F | 31.973 | -0.480 | -0.010 | 225.190 | 362.408 | 101.41% |
| 12 | 33 | Patrick Carpentier | 98I/108E/F | 32.099 | -0.606 | -0.126 | 224.306 | 360.986 | 101.81% |
| 13 | 77 | Arnd Meier | 97I/XD/G | 32.103 | -0.610 | -0.004 | 224.278 | 360.941 | 101.82% |
| 14 | 2X | Al Unser Jr. | P98/108E/G | 32.108 | -0.615 | -0.005 | 224.243 | 360.884 | 101.83% |
| 15 | 8 | Bryan Herta | 98I/XD/F | 32.176 | -0.683 | -0.068 | 223.769 | 360.122 | 102.05% |
| 16 | 6 | Michael Andretti | 009.c/XD/G | 32.267 | -0.774 | -0.091 | 223.138 | 359.106 | 102.34% |
| 17 | 18 | Mark Blundell | 98I/108E/F | 32.313 | -0.820 | -0.046 | 222.821 | 358.595 | 102.49% |
| 18 | 27 | Dario Franchitti | 98I/HRK/F | 32.319 | -0.826 | -0.006 | 222.779 | 358.528 | 102.50% |
| 19 | 7X | Bobby Rahal | 98I/XD/F | 32.357 | -0.864 | -0.038 | 222.518 | 358.107 | 102.62% |
| 20 | 5 | Gil de Ferran | 98I/HRK/G | 32.401 | -0.908 | -0.044 | 222.215 | 357.621 | 102.76% |
| 21 | 17X | Mauricio Gugelmin | 98I/108E/F | 32.415 | -0.922 | -0.014 | 222.119 | 357.467 | 102.81% |
| 22 | 18X | Mark Blundell | 98I/108E/F | 32.584 | -1.091 | -0.169 | 220.967 | 355.612 | 103.34% |
| 23 | 25 | Max Papis | 98I/RV8C/F | 32.836 | -1.343 | -0.252 | 219.272 | 352.883 | 104.14% |
| 24 | 3 | Andre Ribeiro | P98/108E/G | 32.893 | -1.400 | -0.057 | 218.892 | 352.272 | 104.32% |
| 25 | 24X | Robby Gordon | 98I/RV8C/F | 32.898 | -1.405 | -0.005 | 218.858 | 352.218 | 104.34% |
| 26 | 3X | Andre Ribeiro | P98/108E/G | 32.934 | -1.441 | -0.036 | 218.619 | 351.833 | 104.45% |
| 27 | 16 | Helio Castro-Neves (R) | 98I/108E/G | 33.010 | -1.517 | -0.076 | 218.116 | 351.023 | 104.70% |
| 28 | 2 | Al Unser Jr. | P98/108E/G | 33.307 | -1.814 | -0.297 | 216.171 | 347.893 | 105.64% |
| 29 | 19 | Michel Jourdain Jr. | 98I/XD/F | 33.313 | -1.820 | -0.006 | 216.132 | 347.830 | 105.66% |
| 30 | 98X | PJ Jones | 98I/RV8C/G | 33.336 | -1.843 | -0.023 | 215.983 | 347.590 | 105.73% |
| 31 | 98 | PJ Jones | 98I/RV8C/G | 33.379 | -1.886 | -0.043 | 215.704 | 347.143 | 105.87% |
| 32 | 36 | Alex Barron (R) | 98I/RV8C/G | 33.629 | -2.136 | -0.250 | 214.101 | 344.562 | 106.66% |
| 33 | 36X | Alex Barron (R) | 98I/RV8C/G | 33.741 | -2.248 | -0.112 | 213.390 | 343.418 | 107.01% |
| 34 | 34 | Dennis Vitolo | 98I/XD/F | 34.657 | -3.164 | -0.916 | 207.750 | 334.342 | 109.92% |
| 35 | 7 | Bobby Rahal | 98I/XD/F | 35.791 | -4.298 | -1.134 | 201.168 | 323.748 | 113.52% |