As his wrecked car coasted down the front straight, Wheldon slipped by in the final 1,000 feet to take the victory.
Four months later, Wheldon was killed in a crash in the IZOD IndyCar World Championship at Las Vegas Motor Speedway, driving the car Tagliani had qualified on the pole in.
* Includes days where track activitywas significantly limited due to rain ROP — denotes Rookie Orientation Program Comm.
Confirmed former winners entered include Dario Franchitti, Hélio Castroneves, Scott Dixon, Dan Wheldon, and Buddy Rice.
Scott Speed and Ho-Pin Tung, along with Wade Cunningham (who didn't race Indy but participated at Texas) completed the test at Chicagoland Speedway on May 9.
The green flag came out to see Scott Dixon pass by pole-sitter Alex Tagliani to take the early lead in the race.
During the first caution period many team made pit-stops including Will Power who left the pit area and drove a lap without a left-rear tire, which all but eliminated the IndyCar points leader from having an opportunity to win the race.
Following the cleanup and restart after Viso's crash saw the field taking shape and aligning themselves for the long 400+ miles remaining.
Simona de Silvestro, who was burned in a crash earlier in the month, was not able to pick up speed in her back-up car and quickly fell from 23rd position, to last.
Defending winner Dario Franchitti, along with Scott Dixon, Alex Tagliani, and Oriol Servià all began to take their places at the top of the field with each of them leading more than 10 laps in the race respectively.
Howard lost a right-rear wheel on lap 61, while Hinchcliffe slid high in turn 3 and bounced off the wall at the halfway mark.
On lap 148, it was the pole-sitter Alex Tagliani who would be called into pit lane after making slight contact with the wall.
Tony Kanaan also saw his flirt with Indy glory as he made his way all from the middle of the pack to second place at one point, but was forced as well to drop on a pit stop with less than 20 laps to go.
Coming in on the front stretch, Hildebrand went high to avoid the slower car of Charlie Kimball, who was on the inside line, and collided with the wall.
As he took to victory lane, he celebrated with the traditional ceremonies of the wreath, glass of milk, and the presentation of the Borg Warner Trophy.
As the celebration was occurring, his former team Panther Racing considered filing for a review, stating that Wheldon made an illegal pass during the yellow on Hildebrand's car.
When the official results were posted, it was determined that Servia passed Dixon on the final lap while the yellow caution light was illuminated.
Typically, the presentation of the Borg-Warner Trophy replicas ("Baby Borg") for the driver and owner takes place in January in Detroit during the North American International Auto Show, but Wheldon was killed at Las Vegas in October.
Car owners Bryan Herta and Steve Newey, along with Wheldon's widow Susie, were presented in Detroit with their trophies.
In the Indianapolis market, the live broadcast was blacked out on WRTV, and shown same-day tape delay in prime time.
Kenny Brack returned as "driver expert", joining the booth in-progress after participating in various pre-race festivities.
WFNI broadcast nightly from the track with Trackside with Curt Cavin and Kevin Lee, followed by Donald Davidson's The Talk of Gasoline Alley.
Each commercial break would feature a different chief announcer, rotating through Sid Collins, Paul Page, Lou Palmer, Bob Jenkins, and Mike King.