Qualifying for Race 2 was only partially completed on Sunday May 31 when it was canceled due to heavy rains causing too much standing water on the track.

and with his second-place finish in Dual 1 in the previous year's Belle Isle Grand Prix hopes that "we’ll be there in the hunt".

[6] The next closet driver in the overall standings is Josef Newgarden from the CFH Racing team and he is 31 points back from Rahal.

[8] Prior to practice and qualifications which took place on Friday May 29, Dale Coyne Racing announced that Tristan Vautier, who drove their No.

In addition Dale Coyne Racing announced that Rodolfo González, who made his IndyCar Series debut for the team in April at the Indy Grand Prix of Alabama, and would be driving their No.

In addition the backstretch between the 6 and 7 turns of the 14-turn course has been moved to the left of the existing street to remove a slight "kink" making the straightaway more straight.

[9] Alterations to both the Chevrolet and Honda road/street course aerodynamic platforms have been implemented by corresponding teams to remove the outer vertical wall of the front wing assembly end fence, attached flaps and strakes of the cars.

[12] Three rounds of knockout qualifying for Race 1 took place on Friday May 30, including the "Firestone Fast Six" which determined the Verizon P1 Award for the pole position which was won by Will Power for Team Penske.

All of the other drivers managed to return to racing, though Tony Kanaan lost multiple laps while his car was repaired and his tail wing assembly replaced following the incident.

Charlie Kimball lost control coming out of turn 2 in lap 14 due to slippage on the wet course and made contact with the outer wall removing him from the competition.

This allowed both drivers to open a substantial lead before they pitted to make the change, just as the safety car was called on Lap 47 for lightning strikes within the 15 km radius, as required by ACCUS protocol following a 2012 fatality at the NASCAR second Pocono round.

This was due to heavy rains creating too much standing water on the track and bringing out a red flag less than 4 mins into.

This erased rookie Sage Karam's best qualifying time which had him poised to be either in the pole position or starting second.

Rookie driver Rodolfo González lost control on wet pavement going into Turn 4 on lap 35, hitting the outer wall and bringing out the first all course yellow flag of the race.

Fuel strategy became an issue, with questions about whether the three lead cars had enough to complete the full 70 laps without needing to pit.