Race No. 10
Medic Drug Grand Prix of Cleveland
Burke Lakefront Airport
Cleveland, Ohio
July 10-12, 1998
Friday/Saturday Practice
Combined Report
| pos | car | driver | chassis engine tire | laptime | gap to leader | gap to next | mph | km/h | 110% rule |
| 1 | 1 | Alex Zanardi | 98I/HRK/F | 57.287 | 0.000 | 0.000 | 132.344 | 212.942 | n/a |
| 2 | 8 | Bryan Herta | 98I/XD/F | 57.300 | -0.013 | -0.013 | 132.314 | 212.893 | n/a |
| 3 | 6 | Michael Andretti | 009.c/XD/G | 57.656 | -0.369 | -0.356 | 131.497 | 211.579 | 100.63% |
| 4 | 2 | Al Unser Jr. | P98/108E/G | 57.758 | -0.471 | -0.102 | 131.265 | 211.205 | 100.81% |
| 5 | 5 | Gil de Ferran | 98I/HRK/G | 57.808 | -0.521 | -0.050 | 131.151 | 211.023 | 100.90% |
| 6 | 12 | Jimmy Vasser | 98I/HRK/F | 57.835 | -0.548 | -0.027 | 131.090 | 210.924 | 100.95% |
| 7 | 20X | Scott Pruett | 98I/XD/F | 57.836 | -0.549 | -0.001 | 131.088 | 210.920 | 100.95% |
| 8 | 17 | Mauricio Gugelmin | 98I/108E/F | 57.877 | -0.590 | -0.041 | 130.995 | 210.771 | 101.02% |
| 9 | 11 | Christian Fittipaldi | 009.c/XD/G | 57.890 | -0.603 | -0.013 | 130.966 | 210.724 | 101.04% |
| 10 | 6X | Michael Andretti | 009.c/XD/G | 57.918 | -0.631 | -0.028 | 130.902 | 210.622 | 101.09% |
| 11 | 27 | Dario Franchitti | 98I/HRK/F | 57.935 | -0.648 | -0.017 | 130.864 | 210.560 | 101.12% |
| 12 | 24 | Robby Gordon | 98I/RV8C/F | 58.099 | -0.812 | -0.164 | 130.495 | 209.966 | 101.41% |
| 13 | 3 | Andre Ribeiro | P98/108E/G | 58.110 | -0.823 | -0.011 | 130.470 | 209.926 | 101.43% |
| 14 | 7 | Bobby Rahal | 98I/XD/F | 58.158 | -0.871 | -0.048 | 130.362 | 209.753 | 101.51% |
| 15 | 18 | Mark Blundell | 98I/108E/F | 58.204 | -0.917 | -0.046 | 130.259 | 209.587 | 101.59% |
| 16 | 10 | Richie Hearn | 009.c/XD/F | 58.289 | -1.002 | -0.085 | 130.069 | 209.281 | 101.74% |
| 17 | 5X | Gil de Ferran | 98I/HRK/G | 58.337 | -1.050 | -0.048 | 129.962 | 209.109 | 101.82% |
| 18 | 9 | JJ Lehto (R) | 98I/108E/F | 58.617 | -1.330 | -0.280 | 129.341 | 208.110 | 102.31% |
| 19 | 16X | Helio Castro-Neves (R) | 97I/HRK/F | 58.622 | -1.335 | -0.005 | 129.330 | 208.092 | 102.32% |
| 20 | 40 | Adrian Fernandez | 98I/XD/F | 58.670 | -1.383 | -0.048 | 129.224 | 207.922 | 102.40% |
| 21 | 33 | Patrick Carpentier | 98I/108E/F | 58.675 | -1.388 | -0.005 | 129.213 | 207.904 | 102.41% |
| 22 | 26X | Paul Tracy | 97I/HRK/F | 58.851 | -1.564 | -0.176 | 128.827 | 207.283 | 102.72% |
| 23 | 21 | Tony Kanaan (R) | 98I/HRK/F | 58.906 | -1.619 | -0.055 | 128.707 | 207.089 | 102.81% |
| 24 | 99 | Greg Moore | 98I/108E/F | 58.931 | -1.644 | -0.025 | 128.652 | 207.001 | 102.86% |
| 25 | 19X | Michel Jourdain Jr. | 98I/XD/F | 58.982 | -1.695 | -0.051 | 128.541 | 206.822 | 102.95% |
| 26 | 98 | PJ Jones | 98I/RV8C/G | 59.064 | -1.777 | -0.082 | 128.362 | 206.535 | 103.09% |
| 27 | 25 | Max Papis | 98I/RV8C/F | 59.236 | -1.949 | -0.172 | 127.990 | 205.935 | 103.39% |
| 28 | 20 | Scott Pruett | 98I/XD/F | 59.356 | -2.069 | -0.120 | 127.731 | 205.519 | 103.60% |
| 29 | 36 | Alex Barron (R) | 98I/RV8C/G | 59.409 | -2.122 | -0.053 | 127.617 | 205.336 | 103.69% |
| 30 | 77 | Arnd Meier | 97I/XD/G | 59.754 | -2.467 | -0.345 | 126.880 | 204.150 | 104.29% |
| 31 | 3X | Andre Ribeiro | P98/108E/G | 59.759 | -2.472 | -0.005 | 126.870 | 204.133 | 104.30% |
| 32 | 2X | Al Unser Jr. | P98/108E/G | 61.640 | -4.353 | -1.881 | 122.998 | 197.904 | 107.59% |
| 33 | 34 | Dennis Vitolo | 98I/XD/F | 61.652 | -4.365 | -0.012 | 122.974 | 197.865 | 107.61% |
| 34 | 9X | JJ Lehto (R) | 98I/108E/F | 62.087 | -4.800 | -0.435 | 122.113 | 196.479 | 108.37% |
| 35 | 16 | Helio Castro-Neves (R) | 98I/108E/G | 62.502 | -5.215 | -0.415 | 121.302 | 195.174 | 109.09% |
| 36 | 98X | PJ Jones | 98I/RV8C/G | 66.395 | -9.108 | -3.893 | 114.189 | 183.731 | 115.89% |
| 37 | 11X | Christian Fittipaldi | 009.c/XD/G | 70.897 | -13.610 | -4.502 | 106.938 | 172.064 | 123.74% |