The2017 Chevrolet Sports Car Classic was asports car race sanctioned by theInternational Motor Sports Association (IMSA). The race was held atThe Raceway on Belle Isle inDetroit, Michigan on June 3, 2017. The race was the fifth round of the2017 IMSA SportsCar Championship.

Similar to theGrand Prix of Long Beach, this event was held in conjunction with theDetroit Grand Prix in the IndyCar series, with one event held on the same day as the IMSA event, and another held a day after as a double-header.

IMSA's president Scott Atherton confirmed the Chevrolet Sports Car Classic was part of the series' schedule for the2017 IMSA SportsCar Championship atRoad America's victory lane in August 2016.^[1] It was the fourth consecutive year the event was held as part of the WeatherTech SportsCar Championship, and the eighth annual running of the race, counting the period between 2007 and 2013 when it was a round of theRolex Sports Car Series and theAmerican Le Mans Series respectively.^[2] The 2017 Chevrolet Sports Car Classic was the fifth of twelve scheduled sports car races of 2017 by IMSA, the shortest in terms of time, and was the third round not held on the held as part of the North American Endurance Cup.^[3] The race was held at the fourteen-turn 2.350 mi (3.782 km)Belle Isle Park on June 3, 2017.^[3] After theAdvance Auto Parts Sportscar Showdown four weeks earlier,Jordan Taylor andRicky Taylor led the Prototype Drivers' Championship with 141 points, ahead ofJoão Barbosa andChristian Fittipaldi with 119 points, andDane Cameron andEric Curran with 111 points.^[4] With 108 points, PC was led byJames French andPatricio O'Ward with a twenty-point advantage over Don Yount andBuddy Rice.^[4] In GTD, the Drivers' Championship was led byBen Keating andJeroen Bleekemolen with 133 points, ahead ofAlessandro Balzan andChristina Nielsen with 109 points.^[4]Cadillac andMercedes-AMG were leading their respective Manufacturers' Championships, whileWayne Taylor Racing, Performance Tech Motorsports, andRiley Motorsports Team AMG each led their own Teams' Championships.^[4]

On May 25, 2017, IMSA released the latest technical bulletin outliningBalance of Performance for the event.^[5] In P, theCadillac DPi-V.R received a 0.6 mm smaller air restrictor as well as a fuel capacity reduction of 2 liters and changes to the cars rear wing angle. TheMazda RT24-P received a fuel capacity increase of 1 liter and an increase in turbo boost. TheNissan Onroak DPi received a 0.5 mm reduction of refueling restriction and gained 1 liter of fuel capacity. In GTD,Mercedes-AMG GT3 received a 20 kilogram weight increase and an air restrictor reduction of 0.5 millimeters. ThePorsche 911 GT3 R received a 10 kilogram weight increase. TheLamborghini Huracán GT3 andAudi R8 LMS were given fuel capacity increases of 2 and 1 liters, respectively.^[6]

With the absence of theGTLM class from the field, only three racing classes were represented in Belle Isle.^[7] A total of 28 cars took part in the event split across 3 classes. 10 cars were entered in P, 3 in PC, and 15 in GTD.^[8] In P,Kenton Koch and Ryan Lewis shared thePR1/Mathiasen Motorsports entry. In PC, Ryan Lewis joined Don Yount in the No. 20 BAR1 Motorsports entry.Tomy Drissi joinedBruno Junqueira in the No. 26 BAR1 Motorsports entry. In GTD, Lone Star Racing andTRG skipped the event.

There were two practice sessions preceding the start of the race on Saturday, two on Friday. The first ninety-minute session was on Friday morning. The second on Friday afternoon lasted 90 minutes.^[9]

The first practice session took place at 8:30 amET on Friday and ended withChristian Fittipaldi topping the charts forMustang Sampling Racing, with a lap time of 1:23.750.^[10] The PC class was topped by the #38 Performance Tech Motorsports Oreca FLM09 ofPatricio O'Ward with a time of 1:27.851.^[11] Jeroen Mul set the fastest time in GTD.^[11]

The second and final practice session took place at 1:00 pmET on Friday and ended withDane Cameron topping the charts forWhelen Engineering Racing, with a lap time of 1:23.058.^[14]Patricio O'Ward set the fastest time in PC.^[15]Lawson Aschenbach was fastest in GTD.^[15]

Friday afternoon's 65-minute three-group qualifying, each category had separate 15-minute sessions. Regulations stipulated that teams nominate one qualifying driver, with the fastest laps determining each class' starting order. IMSA then arranged the grid to put Prototypes ahead of the PC and GTD cars.^[18][9]

The first was for cars in GTD class.Lawson Aschenbach qualified on pole for the class driving the No. 57 Stevenson Motorsports entry, bestingKatherine Legge in the No. 93Michael Shank Racing withCurb-Agajanian entry.^[19]

The second session of qualifying was for cars in the PC class.James French set the fastest time driving the No. 38 Performance Tech Motorsports entry.^[20]

The final session of qualifying was for the P class.Renger van der Zande's No. 30 Riley was fastest overall, lapping at 1 minute, 24.693 seconds.^[19]Jonathan Bomarito set the second fastest time beforeRicky Taylor, driving the No. 10 Cadillac, crashed at turn four. The red flag was thrown and caused the session to be abandoned.Christian Fittipaldi was handed pole position as the session did not reach minimum time to be declared official and Starting positions were set by Teams' Championship standings. For causing the red flag, Taylor had his time from the session deleted.^[21][20]

Pole positions in each class are indicated inbold and by ‡.

Pos.	Class	No.	Team	Driver	Time	Gap	Grid
1	P	90	VisitFlorida Racing	Renger van der Zande	1:24.693	_	91
2	P	55	Mazda Motorsports	Jonathan Bomarito	1:25.055	+0.362	5
3	P	85	JDC-Miller MotorSports	Mikhail Goikhberg	1:25.510	+0.817	3
4	P	70	Mazda Motorsports	Tom Long	1:25.875	+1.182	7
5	P	5	Mustang Sampling Racing	Christian Fittipaldi	1:25.931	+1.238	1‡
6	P	31	Whelen Engineering Racing	Eric Curran	1:26.048	+1.355	2
7	P	2	Tequila Patrón ESM	Scott Sharp	1:26.092	+1.399	4
8	P	10	Wayne Taylor Racing	Ricky Taylor	1:26.736	+2.043	122
9	PC	38	Performance Tech Motorsports	James French	1:28.494	+3.801	10‡
10	P	22	Tequila Patrón ESM	Ed Brown	1:28.621	+3.928	6
11	GTD	57	Stevenson Motorsports	Lawson Aschenbach	1:30.200	+5.507	14‡
12	GTD	93	Michael Shank Racing withCurb-Agajanian	Katherine Legge	1:30.541	+5.848	15
13	GTD	48	Paul Miller Racing	Bryan Sellers	1:30.763	+6.070	16
14	GTD	16	Change Racing	Corey Lewis	1:30.802	+6.109	17
15	GTD	14	3GT Racing	Scott Pruett	1:30.878	+6.185	18
16	GTD	28	Alegra Motorsports	Daniel Morad	1:30.944	+6.251	19
17	GTD	63	Scuderia Corsa	Christina Nielsen	1:31.016	+6.323	20
18	GTD	33	Riley Motorsports – Team AMG	Ben Keating	1:31.511	+6.818	21
19	GTD	15	3GT Racing	Robert Alon	1:31.557	+6.864	21
20	GTD	75	SunEnergy1 Racing	Kenny Habul	1:31.759	+7.066	22
21	GTD	50	Riley Motorsports – WeatherTech Racing	Cooper MacNeil	1:31.856	+7.163	23
22	GTD	96	Turner Motorsport	Bret Curtis	1:32.459	+7.766	24
23	GTD	54	CORE Autosport	Jon Bennett	1:33.097	+8.404	25
24	PC	26	BAR1 Motorsports	Tomy Drissi	1:33.166	+8.473	123
25	PC	20	BAR1 Motorsports	Don Yount	1:34.968	+10.275	11
26	P	52	PR1/Mathiasen Motorsports	No Time Established			84
27	GTD	73	Park Place Motorsports	No Time Established			275
28	GTD	86	Michael Shank Racing withCurb-Agajanian	No Time Established			286
Sources:[22][23]

• ¹ The No. 90 VisitFlorida Racing entry was moved to the back of the P field as per Article 43.6 of the Sporting regulations (Change of starting tires).^[18]
• ² The No. 10 Wayne Taylor Racing entry entry had its fastest lap deleted as penalty for causing a red flag during its qualifying session.
• ³ The No. 26 BAR1 Motorsports entry was moved to the back of the PC field after failing post qualifying technical inspection.^[20]
• ⁴ The No. 52 PR1/Mathiasen Motorsports entry moved to the back of the P field as per Article 40.2.10 of the Sporting regulations (car did not participate in qualifying and no starting driver was nominated).^[18]
• ⁵ The No. 73 Park Place Motorsports entry was moved to the back of the GTD field as per Article 43.6 of the Sporting regulations (Change of starting tires).^[18]
• ⁶ The No. 86 Michael Shank Racing with Curb-Agajanian entry was moved to the back of the GTD field as per Articles 43.5 and 43.6 of the Sporting regulations (Change of starting driver) and (Change of starting tires).^[18]

With a total of 177 points, Jordan Taylor and Ricky Taylor's victory allowed him to increase their advantage over Fittipaldi and Barbosa in the Prototype Drivers' Championship to 30 points.^[24] With a total of 144 points, French and O'Ward's victory allowed him to increase their advantage over Yount in the PC Drivers' Championship to 26 points.^[24] The result kept Bleekemolen and Keating atop the GTD Drivers' Championship while Negri Jr. and Segal advanced from seventh to fifth.^[24] Cadillac and Mercedes-AMG continued to top their respective Manufacturers' Championships, while Wayne Taylor Racing, Performance Tech Motorsports, and Riley Motorsports kept their respective advantages in the trio of Teams' Championships with seven races left in the season.^[24]

Class winners are denoted inbold and ‡.

Final race classification Pos Class No. Team Drivers Chassis Tire Laps Time/Retired Engine 1 P 10 Wayne Taylor Racing Ricky Taylor Jordan Taylor Cadillac DPi-V.R C 65 1:40:49.514‡ Cadillac 6.2 LV8 2 P 31 Whelen Engineering Racing Dane Cameron Eric Curran Cadillac DPi-V.R C 65 +4.948 Cadillac 6.2 LV8 3 P 70 Mazda Motorsports Tom Long Joel Miller Mazda RT24-P C 65 +34.502 Mazda MZ-2.0T 2.0 LTurboI4 4 P 5 Mustang Sampling Racing João Barbosa Christian Fittipaldi Cadillac DPi-V.R C 65 +40.007 Cadillac 6.2 LV8 5 P 55 Mazda Motorsports Tristan Nunez Jonathan Bomarito Mazda RT24-P C 65 +41.888 Mazda MZ-2.0T 2.0 LTurboI4 6 P 85 JDC-Miller MotorSports Mikhail Goikhberg Stephen Simpson Oreca 07 C 65 +1:07.765 Gibson GK428 4.2 LV8 7 P 22 Tequila Patrón ESM Johannes van Overbeek Ed Brown Nissan Onroak DPi C 65 +1:19.995 Nissan VR38DETT 3.8 LTurboV6 8 PC 38 Performance Tech Motorsports James French Patricio O'Ward Oreca FLM09 C 64 +1 lap‡ Chevrolet 6.2 L V8 9 PC 26 BAR1 Motorsports Tomy Drissi Bruno Junqueira Oreca FLM09 C 63 +2 Laps Chevrolet 6.2 L V8 10 PC 20 BAR1 Motorsports Don Yount Ryan Lewis Oreca FLM09 C 62 +3 Laps Chevrolet 6.2 L V8 11 GTD 93 Michael Shank Racing withCurb Agajanian Andy Lally Katherine Legge Acura NSX GT3 C 62 +3 Laps‡ Acura 3.5 LTurboV6 12 GTD 63 Scuderia Corsa Christina Nielsen Alessandro Balzan Ferrari 488 GT3 C 62 +3 Laps Ferrari F154CB 3.9 LTurboV8 13 GTD 48 Paul Miller Racing Bryan Sellers Madison Snow Lamborghini Huracán GT3 C 62 +3 Laps Lamborghini 5.2 LV10 14 GTD 96 Turner Motorsport Jens Klingmann Bret Curtis BMW M6 GT3 C 62 +3 Laps BMW 4.4LTurboV8 15 GTD 86 Michael Shank Racing withCurb Agajanian Jeff Segal Oswaldo Negri Jr. Acura NSX GT3 C 62 +3 Laps Acura 3.5 LTurboV6 16 GTD 14 3GT Racing Scott Pruett Sage Karam Lexus RC F GT3 C 62 +3 Laps Lexus 5.0LV8 17 GTD 15 3GT Racing Robert Alon Jack Hawksworth Lexus RC F GT3 C 62 +3 Laps Lexus 5.0LV8 18 GTD 54 CORE Autosport Jon Bennett Colin Braun Porsche 911 GT3 R C 62 +3 Laps Porsche 4.0 LFlat-6 19 GTD 73 Park Place Motorsports Jörg Bergmeister Patrick Lindsey Porsche 911 GT3 R C 62 +3 Laps Porsche 4.0 LFlat-6 20 GTD 28 Alegra Motorsports Mathieu Jaminet Daniel Morad Porsche 911 GT3 R C 62 +3 Laps Porsche 4.0 LFlat-6 21 GTD 16 Change Racing Corey Lewis Jeroen Mul Lamborghini Huracán GT3 C 61 +4 Laps Lamborghini 5.2 LV10 22 GTD 50 Riley Motorsports – WeatherTech Racing Cooper MacNeil Gunnar Jeannette Mercedes-AMG GT3 C 60 +5 Laps Mercedes AMGM159 6.2 L V8 23 DNF P 2 Tequila Patrón ESM Scott Sharp Ryan Dalziel Nissan Onroak DPi C 56 Rear end Nissan VR38DETT 3.8 LTurboV6 24 DNF GTD 57 Stevenson Motorsports Andrew Davis Lawson Aschenbach Audi R8 LMS C 43 Driveline Audi 5.2LV10 25 DNF PC 90 VisitFlorida Racing Marc Goossens Renger van der Zande Riley Mk. 30 C 18 Crash Gibson GK428 4.2 LV8 26 DNF GTD 33 Riley Motorsports – Team AMG Jeroen Bleekemolen Ben Keating Mercedes-AMG GT3 C 17 Crash Mercedes AMGM159 6.2 L V8 27 DNF GTD 75 SunEnergy1 Racing Tristan Vautier Kenny Habul Mercedes-AMG GT3 C 15 Crash Mercedes AMGM159 6.2 L V8 28 DNF P 52 PR1/Mathiasen Motorsports Kenton Koch Ryan Lewis Ligier JS P217 C 1 Quit Gibson GK428 4.2 LV8 Sources:[25][26]

Tyre manufacturers Key Symbol Tyre manufacturer C Continental

Prototype Drivers' Championship standings[24] Pos. +/– Driver Points 1 Jordan Taylor Ricky Taylor 177 2 João Barbosa Christian Fittipaldi 147 3 Dane Cameron Eric Curran 143 4 Misha Goikhberg Stephen Simpson 135 5 Ryan Dalziel Scott Sharp 129

PC Drivers' Championship standings[24] Pos. +/– Driver Points 1 James French Patricio O'Ward 144 2 Don Yount 118 3 1 Buddy Rice 88 4 1 Kyle Masson 72 5 1 Nicholas Boulle 68

GTLM Drivers' Championship standings[24] Pos. +/– Driver Points 1 Antonio García Jan Magnussen 124 2 Joey Hand Dirk Müller 118 3 Patrick Pilet Dirk Werner 110 4 Bill Auberlen Alexander Sims 108 5 Ryan Briscoe Richard Westbrook 107

GTD Drivers' Championship standings[24] Pos. +/– Driver Points 1 Jeroen Bleekemolen Ben Keating 150 2 Alessandro Balzan Christina Nielsen 141 3 1 Bryan Sellers Madison Snow 123 4 1 Daniel Morad 122 5 2 Oswaldo Negri Jr. Jeff Segal 116

• Note: Only the top five positions are included for all sets of standings.

Prototype Teams' Championship standings[24] Pos. +/– Team Points 1 #10Wayne Taylor Racing 177 2 #5Mustang Sampling Racing 147 3 #31Whelen Engineering Racing 143 4 #85JDC-Miller MotorSports 135 5 #2Tequila Patrón ESM 129

PC Teams' Championship standings[24] Pos. +/– Team Points 1 #38 Performance Tech Motorsports 144 2 #26 BAR1 Motorsports 125 3 #20 BAR1 Motorsports 118 4 #8Starworks Motorsport 58 5 #88Starworks Motorsport 28

GTLM Teams' Championship standings[24] Pos. +/– Team Points 1 #3Corvette Racing 124 2 #66Ford Chip Ganassi Racing 118 3 #911Porsche GT Team 110 4 #25BMW Team RLL 108 5 #67Ford Chip Ganassi Racing 107

GTD Teams' Championship standings[24] Pos. +/– Team Points 1 #33Riley Motorsports Team AMG 150 2 #63Scuderia Corsa 141 3 1 #48Paul Miller Racing 123 4 1 #28 Alegra Motorsports 122 5 2 #86Michael Shank Racing withCurb-Agajanian 116

• Note: Only the top five positions are included for all sets of standings.

Prototype Manufacturers' Championship standings[24] Pos. +/– Manufacturer Points 1 Cadillac 175 2 Nissan 156 3 Mazda 154

GTLM Manufacturers' Championship standings[24] Pos. +/– Manufacturer Points 1 Chevrolet 133 2 Ford 127 3 Porsche 118 4 BMW 114 5 Ferrari 112

GTD Manufacturers' Championship standing[24] Pos. +/– Manufacturer Points 1 Mercedes-AMG 159 2 Ferrari 150 3 Porsche 142 4 1 Lamborghini 139 5 1 Acura 137

• Note: Only the top five positions are included for all sets of standings.

• 2017 in sports in Michigan
• June 2017 sports events in the United States
• 2017 WeatherTech SportsCar Championship season
• Detroit Sports Car Classic

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