Race No. 18
Texaco Grand Prix of Houston
Houston, Texas
September 24-26, 1999
Race Result
| pos | car | driver | lap | time | mph | km/h | lag | status |
| 1 | 26 | Paul Tracy | 100 | 1:55:31.263 | 78.960 | 127.047 | 0.000 | running |
| 2 | 27 | Dario Franchitti | 100 | 1:55:44.996 | 78.804 | 126.796 | 13.733 | running |
| 3 | 6 | Michael Andretti | 100 | 1:55:57.124 | 78.667 | 126.575 | 25.861 | running |
| 4 | 7 | Max Papis | 100 | 1:55:58.795 | 78.648 | 126.545 | 27.532 | running |
| 5 | 8 | Bryan Herta | 100 | 1:56:12.201 | 78.497 | 126.302 | 40.938 | running |
| 6 | 17 | Mauricio Gugelmin | 100 | 1:56:15.426 | 78.460 | 126.242 | 44.163 | running |
| 7 | 11 | Christian Fittipaldi | 100 | 1:56:15.873 | 78.455 | 126.234 | 44.610 | running |
| 8 | 10 | Richie Hearn | 100 | 1:56:20.125 | 78.407 | 126.157 | 48.862 | running |
| 9 | 44 | Tony Kanaan | 99 | -1 Lap | running | |||
| 10 | 24 | Scott Pruett | 99 | -1 Lap | running | |||
| 11 | 25 | Cristiano da Matta (R) | 99 | -1 Lap | running | |||
| 12 | 40 | Adrian Fernandez | 99 | -1 Lap | running | |||
| 13 | 20 | Jan Magnussen | 99 | -1 Lap | running | |||
| 14 | 71 | Memo Gidley (R) | 99 | -1 Lap | running | |||
| 15 | 2 | Al Unser Jr. | 98 | -2 Laps | running | |||
| 16 | 99 | Greg Moore | 98 | -2 Laps | running | |||
| 17 | 5 | Gil de Ferran | 98 | -2 Laps | running | |||
| 18 | 19 | Michel Jourdain Jr. | 98 | -2 Laps | running | |||
| 19 | 33 | Patrick Carpentier | 78 | -22 Laps | engine | |||
| 20 | 12 | Jimmy Vasser | 76 | -24 Laps | brakes | |||
| 21 | 22 | Robby Gordon | 73 | -27 Laps | electrical | |||
| 22 | 15 | Naoki Hattori (R) | 57 | -43 Laps | contact | |||
| 23 | 36 | Andrea Montermini | 50 | -50 Laps | fuel | |||
| 24 | 18 | Mark Blundell | 46 | -54 Laps | transmission | |||
| 25 | 4 | Juan Montoya (R) | 12 | -88 Laps | contact | |||
| 26 | 9 | Helio Castro-Neves | 11 | -89 Laps | contact | |||
| 27 | 21 | Luiz Garcia Jr. (R) | 0 | withdrawn |