2015 Chevrolet Detroit Belle Isle Grand Prix
The 2015 Chevrolet Dual in Detroit was the first and only doubleheader of the 2015 IndyCar Series season, hosting Rounds 7 and 8 of the 2015 IndyCar Series season. It marked the eighth Detroit Belle Isle Grand Prix since the Verizon IndyCar Series made its debut at the Belle Isle racetrack in 2007 and the third time it held a "dual" two-race IndyCar contest over two days.
|7th and 8th round of the 2015 IndyCar Series season|
|Date||May 30 and 31, 2015|
|Official name||Detroit Belle Isle Grand Prix|
|Location||The Raceway on Belle Isle|
Detroit, United States
|Course||Temporary street circuit|
2.350 mi / 3.782 km
164.500 mi / 264.737 km
|Weather||73 °F (23 °C), wet, dry, rain, thunderstorms.|
|Driver||Will Power (Team Penske)|
|Driver||Jack Hawksworth (A. J. Foyt Enterprises)|
|Time||79.8721 (on lap 30 of 47)|
|First||Carlos Muñoz (Andretti Autosport)|
|Second||Marco Andretti (Andretti Autosport)|
|Third||Simon Pagenaud (Team Penske)|
|Weather||53 °F (12 °C), wet, rain|
|Driver||Juan Pablo Montoya (Team Penske)|
|Driver||Sébastien Bourdais (KVSH Racing)|
|Time||1:17.9133 (on lap 68 of 68)|
|First||Sébastien Bourdais (KVSH Racing)|
|Second||Takuma Sato (A. J. Foyt Enterprises)|
|Third||Graham Rahal (Rahal Letterman Lanigan Racing)|
Initial practice and then qualifications were held on Friday May 29, 2015. The pole position for the first race was won by Will Power for Team Penske. Race day practice occurred in the morning on Saturday May 30 and Race 1 took place in the afternoon with Carlos Muñoz winning Race 1 of the dual after it was called after lap 47 of a scheduled 70 laps due to rain and electrical storms. His Andretti Autosport teammate Marco Andretti took second, and third place went to Simon Pagenaud of Team Penske.
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. As a result, starting positions were determined by overall point standings. The rain tapered off later in the after race took place later in the day as scheduled. Sébastien Bourdais of KV Racing Technology won a timed-Race 2 which went 68 laps out of a scheduled 70. Takuma Sato racing for A. J. Foyt Enterprises and Graham Rahal of Rahal Letterman Lanigan Racing taking the third podium spot.
In the 2014 doubleheader, Team Penske swept the two races with Will Power winning Race 1 and Hélio Castroneves winning Race 2. This year Juan Pablo Montoya seeks to build on his Indy 500 win the previous week. Montoya leads the IndyCar series points standings heading into the Belle Isle Grand Prix and will have two chances to stretch his lead. If Montoya's teammate on Will Power, the 2014 IndyCar Series season champion, starts in the second race of the doubleheader on May 31 it would will mark his 100th start with Team Penske and his 145 IndyCar start since 2005. Power came in a very close second at the Indy 500, and is second in the overall standings. He hopes to overtake Montoya in the points race.
The only drivers in the top five coming into the dual races is not on Team Penske is Scott Dixon of Ganassi Racing who is 20 points back from Power and Graham Rahal of Rahal Letterman Lanigan Racing who is two points behind Castroneves for Penske drivers which holds three of the top four point total positions so far in the series. Graham stated that “I feel really good about Detroit." 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". The next closet driver in the overall standings is Josef Newgarden from the CFH Racing team and he is 31 points back from Rahal.
The top product development executive at General Motors, Mark Reuss, will be the honorary pace car driver of the Chevrolet Corvette Z06 for both races, with two-time Indianapolis 500 winner Arie Luyendyk being the pace car driver during the races.
Prior to practice and qualifications which took place on Friday May 29, Dale Coyne Racing announced that Tristan Vautier, who drove their No. 18 Honda in the Indy 500 on May 24, would drive their No. 19 entry in the Detroit Belle Isle Grand Prix doubleheader. When he raced for Schmidt Peterson Motorsports in 2013, Vautier finished 11th and 14th at the Belle Isle Grand Prix. 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. 18 Honda at Belle Isle.
Schmidt Peterson Motorsports announced on May 26 that Conor Daly would drive the team's No. 5 Honda in the race as a substitute for James Hinchcliffe who was still recovering from injuries he received in a crash on May 18 before the Indianapolis 500. Daly qualified 22nd in the team's No. 43 entry for that race and prior to moving up the IndyCar series drove for the team in Indy Lights in 2011.
As part of ongoing track improvements first began in 2007, new pavement throughout the course has been laid down. 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.
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. The teams have installed a patch where the vertical wall had been attached to the front wing assembly. According to IndyCar, these mandated changes would only require minimal balance change by the teams but will increase downforce, creating a potential performance increase on the 2.35-mile, 14-turn street circuit.
Race 1 – Saturday May 30Edit
23 cars entered for qualifications for the Grand Prix. During the practice session prior to qualifications for Race 1, Chevy again dominated the field posting the top 9 cars with the best lap performances with Takuma Sato being the only Honda car in the top 10. 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. Power also set a new qualifying lap track record while earning the number one starting position.
|Pos||No.||Name||Grp.||Round 1||Round 2||Round 3|
|1||1||Will Power W||1||1:17.2483||1:16.8325||1:16.0941|
|2||3||Hélio Castroneves W||1||1:17.2501||1:16.7015||1:16.1200|
|3||2||Juan Pablo Montoya||2||1:17.7726||1:16.6895||1:16.4428|
|5||22||Simon Pagenaud W||2||1:17.6219||1:16.9353||1:16.6656|
|7||9||Scott Dixon W||2||1:18.1728||1:16.9768|
|8||4||Stefano Coletti R||2||1:18.6673||1:17.3638|
|12||8||Sage Karam R||2||1:17.8152||1:17.9046|
|14||10||Tony Kanaan W||1||1:18.3144|
|19||98||Gabby Chaves R||1||1:19.2306|
|23||18||Rodolfo González R||2||1:21.8208|
Inclement weather dogged the race from the beginning, with a multi-car incident going into lap 2 when Stefano Coletti initiated a contact causing a 4 car cascade, knocking Graham Rahal out of the race. 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.
Timing of changes in tire selection between wet condition tires and "slicks" (dry condition tires) proved to be pivotal in the outcome of the race. Both Carlos Muñoz and Marco Andretti of Andretti Autosport delayed switching from the slicks to the wet tires for nearly 10 laps while most other teams pitted to make changes from dry to wet tire set-ups. This allowed both drivers to open a substantial lead before they pitted to make the change, just as the race was called due to lightning strikes in the area. The race was called before lap 48 could be run due to rain and the electrical storms with Muñoz being comfortably in the lead at the time. Andretti coming in second, and third place going to Simon Pagenaud of Team Penske. This was Muñoz's first career victory in an IndyCar race.
|W1||Past winner of race 1 in doubleheader|
|W2||Past winner of race 2 in doubleheader|
Race scheduled for 70 laps but shortened due to lightning in the area.
Race 2 – Sunday May 31Edit
For Race 2, all cars participated in one of two groups which were scheduled for 20 minutes each on Sunday morning. The pole positions was to be awarded to the best overall lap time in the qualifying sessions with the remainder of the cars in the same group as the pole winner ranked in the odd-numbered race starting positions based on fastest lap times. Then even-numbered starting positions would be determined from the other group based on fastest lap times.
While group one managed to complete its qualifying round, group two was unable to complete any qualifying laps. 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. As a result, the starting order was then set according to overall point standing. This erased rookie Sage Karam's best qualifying time which had him poised to be either in the pole position or starting second. Karam's qualifying time would have marked the highest start position for any rookie in the 2014 to date.
|1||2||Juan Pablo Montoya||1||1:37.2255|
|2||1||Will Power W1||2||Canceled|
|3||3||Hélio Castroneves W W2||2||Canceled|
|4||9||Scott Dixon W||1||1:37.1207|
|8||22||Simon Pagenaud W2||1||1:36.9251|
|11||26||Carlos Muñoz W1||1||1:37.1334|
|13||10||Tony Kanaan W||2||Canceled|
|18||98||Gabby Chaves R||2||Canceled|
|20||8||Sage Karam R||1||1:36.4520|
|21||4||Stefano Coletti R||1||1:37.9096|
|22||18||Rodolfo González R||1||1:40.5241|
Rain had subsided quite a bit by the time of the start of race 2, though the track remained cool and wet which led IndyCar to mandate that all drivers begin the race on their teams "wet" tires. Shortly into the race Carlos Muñoz who had won race 1 the previous day, was forced from the race with mechanical problems in lap 5. After a brief stint of rain the weather cleared and the course began drying out as racing continued. 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.
Racing resumed on lap 40 but two laps later another full course yellow came out as Luca Filippi and Stefano Coletti both lost control, making contact with tire barriers, in separate incidents in Turn 2 and Turn 3 respectively. Both cars were able to return to racing which resumed again on lap 44.
Coming out of the pits after switching to “dry” tires, Josef Newgarden lost control when he hit a remaining wet patch on the course and slammed into the outer wall coming out of Turn 2 and bringing out the yellow flag on lap 50. Rookie Conor Daly who had been leading the race from laps 39 to 50 was finally forced to pit during the yellow, cycling the lead to Sébastien Bourdais. Racing resumed 3 laps later until a multi-car crash in lap 55 once again involving Coletti as well as Sage Karam and Jack Hawksworth occurred in Turn 3. All three cars were able to return to racing however.
Contact between Charlie Kimball and Scott Dixon forced Dixon off the track and out of the race in lap 59 bringing out a full-course caution. Racing resumed the following lap but the yellow flag came out once again 2 laps later. 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. If the field remained under yellow long enough it might have lowered fuel burn rates to allow the leaders to conserve enough fuel to complete a full race. However an incident between Will Power and teammate Hélio Castroneves in lap 64, when Castroneves clipped Power from behind, brought out a red flag while the track crew scrambled to clear the course of debris and get the race restarted before a timed-end of the race.
After a restart with just over 4 minutes and 30 seconds remaining before a timed race call would end the race, which occurred on lap 68, Sébastien Bourdais of KV Racing Technology managed to hold onto the lead to take the win, followed by Takuma Sato racing for A. J. Foyt Enterprises and Graham Rahal of Rahal Letterman Lanigan Racing taking the third podium spot.
|W1||Past winner of race 1 in doubleheader|
|W2||Past winner of race 2 in doubleheader|
Race scheduled for 70 laps but shortened due to time limit.
- Note: Only the top five positions are included.
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- Dave Lewandowski (May 29, 2015). "Notes: Changes to Honda, Chevrolet aero packages". indycar.com. Retrieved 29 May 2015.
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