
2006 Grand Prix of Portland - Fastest laps
Track Portland
City Portland, Oregon
Type Roadcourse
Length 1.959 mi
Trackrecord 0:57.214

| P | Driver | Nat | Engine | L | Time | GP |
|---|---|---|---|---|---|---|
| 1 | Will Power Team Australia | 70 | 0:59.260 | |||
| 2 | Sébastien Bourdais Newman/Haas | 97 | 0:59.440 +0.180 | +0.180 | ||
| 3 | Bruno Junqueira Newman/Haas | 91 | 0:59.790 +0.530 | +0.350 | ||
| 4 | A.J. Allmendinger Forsythe | 84 | 0:59.860 +0.600 | +0.070 | ||
| 5 | Cristiano da Matta RuSPORT | 96 | 0:59.930 +0.670 | +0.070 | ||
| 6 | Nelson Philippe CTE-HVM | 89 | 0:59.970 +0.710 | +0.040 | ||
| 7 | Justin Wilson RuSPORT | 105 | 1:00.170 +0.910 | +0.200 | ||
| 8 | Dan Clarke CTE-HVM | 93 | 1:00.230 +0.970 | +0.060 | ||
| 9 | Jan Heylen Dale Coyne | 96 | 1:00.380 +1.120 | +0.150 | ||
| 10 | Paul Tracy Forsythe | 70 | 1:00.380 +1.120 | +0.000 | ||
| 11 | Andrew Ranger Conquest Racing | 82 | 1:00.470 +1.210 | +0.090 | ||
| 12 | Oriol Servià PKV Racing | 54 | 1:00.590 +1.330 | +0.120 | ||
| 13 | Alex Tagliani Team Australia | 86 | 1:00.620 +1.360 | +0.030 | ||
| 14 | Nicky Pastorelli Rocketsports | 71 | 1:01.040 +1.780 | +0.420 | ||
| 15 | Katherine Legge PKV Racing | 103 | 1:01.050 +1.790 | +0.010 | ||
| 16 | Charles Zwolsman Conquest Racing | 98 | 1:01.050 +1.790 | +0.000 | ||
| 17 | Tonis Kasemets Rocketsports | 68 | 1:01.260 +2.000 | +0.210 | ||
| 18 | Mario Dominguez Dale Coyne | 92 | 1:01.350 +2.090 | +0.090 |