Bourdais turned in a lap time of one minute, 31.718 seconds, the fastest this weekend, to join Bruno Junqueira in the front row.
Junqueira guaranteed himself a front-row spot in provisional qualifying on Friday with a time of one minute, 32.708 seconds.
Bourdais turned in a top speed of 109.706 miles per hour and earned his fifth pole in 18 races. He is searching for his fourth victory and set a rookie record with his 12th consecutive race qualifying in the top six.
Junqueira, a Brazilian who is still in the running for the CART driving championship, finished second in 1:31.994. Paul Tracy was third with a top speed of 109.370 and a lap time of 1:32.
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