2005 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 | Sébastien Bourdais Newman/Haas |  | 79 | 0:59.920 | ||
| 2 | Cristiano da Matta PKV Racing |  | 56 | 1:00.210 +0.290 | +0.290 | |
| 3 | A.J. Allmendinger RuSPORT |  | 93 | 1:00.420 +0.500 | +0.210 | |
| 4 | Jimmy Vasser PKV Racing | | 86 | 1:00.590 +0.670 | +0.170 | |
| 5 | Justin Wilson RuSPORT |  | 3 | 1:00.630 +0.710 | +0.040 | |
| 6 | Mario Dominguez Forsythe |  | 93 | 1:00.690 +0.770 | +0.060 | |
| 7 | Oriol Servià Newman/Haas |  | 40 | 1:00.700 +0.780 | +0.010 | |
| 8 | Alex Sperafico Dale Coyne | |  | 100 | 1:00.810 +0.890 | +0.110 |
| 9 | Bjorn Wirdheim CTE-HVM |  | 87 | 1:00.840 +0.920 | +0.030 | |
| 10 | Paul Tracy Forsythe |  | 3 | 1:00.860 +0.940 | +0.020 | |
| 11 | Andrew Ranger Conquest Racing | | 86 | 1:01.040 +1.120 | +0.180 | |
| 12 | Ronnie Bremer CTE-HVM |  | 45 | 1:01.270 +1.350 | +0.230 | |
| 13 | Alex Tagliani Team Australia | | 4 | 1:01.370 +1.450 | +0.100 | |
| 14 | Michael Valiante Dale Coyne | | | 80 | 1:01.380 +1.460 | +0.010 |
| 15 | Nelson Philippe Conquest Racing | | 61 | 1:01.530 +1.610 | +0.150 | |
| 16 | Marcus Marshall Team Australia |  | 87 | 1:01.560 +1.640 | +0.030 | |
| 17 | Timo Glock Rocketsports |  | 36 | 1:01.580 +1.660 | +0.020 | |
| 18 | Ryan Hunter-Reay Rocketsports | | 31 | 1:01.990 +2.070 | +0.410 |