The 91st Indianapolis 500 was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday May 27, 2007. It was the twelfth Indy 500 sanctioned by the Indy Racing League, and marked the fifth race of the 2007 IndyCar Series season. Hélio Castroneves started the race on the pole position.

The race began at 1:11 p.m. EDT, and was televised in the United States on the ABC. The race was broadcast in high-definition for the first time. The race also was carried live on the IMS Radio Network and XM Satellite Radio.

On lap 113, the race underwent a lengthy rain delay, with Tony Kanaan tentatively sitting as the leader. After three hours, the rain ceased, the track was dried, and the race restarted shortly before 6:15 p.m. EDT. A crash on lap 162 between Dan Wheldon and Marco Andretti brought out the yellow flag with Dario Franchitti leading. Under the caution, rain began falling again and officials halted the race on lap 166. Dario Franchitti was declared the winner after leading 34 laps during the race.

For the first time, all entries utilized a 100% percent fuel-grade Ethanol blend, after 42 years of utilizing methanol. The fuel was actually a denatured 98% ethanol / 2% gasoline blend (E98). The 2007 race was also the final 500 to see the Panoz chassis in the race

...
Wikipedia