The2017 Advance Auto Parts Sportscar Showdown was asports car race sanctioned by theInternational Motor Sports Association (IMSA). The race was held atCircuit of the Americas inAustin, Texas on May 6, 2017. The race was the fourth round of the2017 IMSA SportsCar Championship.

IMSA's president Scott Atherton confirmed the Advance Auto Parts Sportscar Showdown 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. The 2017 Advance Auto Parts Sportscar Showdown was the fourth of twelve scheduled sports car races of 2017 by IMSA, and was the second round not held on the held as part of the North American Endurance Cup.^[2] The race was held at the twenty-turn 3.426 mi (5.514 km)Circuit of the Americas inAustin, Texas on May 6, 2017.^[2] Unlike in previous years where the race was run alongside theFIA World Endurance Championship event as a double-header, the 2017 edition was a standalone event.^[3]

After theBUBBA Burger Sports Car Grand Prix four weeks earlier,Jordan Taylor andRicky Taylor led the Prototype Drivers' Championship with 105 points, ahead ofJoão Barbosa andChristian Fittipaldi with 89 points, andMisha Goikhberg andStephen Simpson with 82 points.^[4] With 72 points, the PC Drivers' Championship was led byJames French,Patricio O'Ward, andKyle Masson with a twelve-point advantage overSean Rayhall.^[4]Joey Hand andDirk Müller led the GTLM Drivers' Championship with 91 points, ahead ofAntonio García andJan Magnussen with 89 points.^[4] In GTD, the Drivers' Championship was led byBen Keating andJeroen Bleekemolen with 98 points, ahead ofAlessandro Balzan andChristina Nielsen with 77 points.^[4]Cadillac,Ford, andMercedes-AMG were leading their respective Manufacturers' Championships, whileWayne Taylor Racing, Performance Tech Motorsports,Ford Chip Ganassi Racing, andRiley Motorsports Team AMG each led their own Teams' Championships.^[4]

A total of 39 cars took part in the event split across 4 classes. 10 cars were entered in P, 3 in PC, 9 in GTLM, and 16 in GTD.^[5] In P,Marco Bonanomi replacedTom Kimber-Smith in thePR1/Mathiasen Motorsports entry whileJosé Gutiérrez returned after missing the previous race at Long Beach.^[6] In PC,Starworks Motorsport skipped the event.^[7]Nicholas Boulle joinedStefan Wilson in the #26 BAR1 Motorsports entry. In GTLM,Wolf Henzler replacedKévin Estre in the #912Porsche GT Team, due to a clash with the FIA World Endurance Championship round atCircuit de Spa-Francorchamps.^[8] In GTD, Lone Star Racing made their first appearance of the season.^[9]Parker Chase andHarry Gottsacker replacedWolf Henzler andJan Heylen in the #991TRG entry.^[10]Kenny Habul returned to the #75SunEnergy1 Racing entry.Mathieu Jaminet subbed forMichael Christensen in the #28 Alegra Motorsports due to a clash with the FIA World Endurance Championship round at Circuit de Spa-Francorchamps.^[5]

There were three practice sessions preceding the start of the race on Saturday, two on Thursday and one on Friday. The first two one-hour sessions were on Thursday morning and afternoon. The third on Friday morning lasted an hour.^[11]

The first practice session took place at 9:45 amCT on Thursday and ended withRicky Taylor topping the charts forWayne Taylor Racing, with a lap time of 1:57.116.^[12] The PC class was topped by the #38 Performance Tech Motorsports Oreca FLM09 ofPatricio O'Ward with a time of 2:00.522.^[13]Dirk Müller was fastest in GTLM andTristan Vautier set the fastest time GTD.^[12]

The second practice session took place at 2:55 pmCT on Thursday and ended withJordan Taylor topping the charts forWayne Taylor Racing, with a lap time of 1:56.595.^[16]James French set the fastest time in PC.^[17] The GTLM class was topped by the #25BMW Team RLLBMW M6 GTLM ofAlexander Sims with a time of 2:03.703.^[17]John Edwards was second in the sister #24 car andLaurens Vanthoor rounded out the top 3.Tristan Vautier was fastest in GTD.^[17]

The third and final practice session took place at 8:55 amCT on Friday and ended withDane Cameron topping the charts forWhelen Engineering Racing, with a lap time of 1:56.117.^[20]Patricio O'Ward set the fastest time PC by 3.382 seconds ahead of Don Yount in the #20 BAR1 Motorsports entry.^[20] The GTLM class was topped by the #62Risi CompetizioneFerrari 488 GTE ofGiancarlo Fisichella with a time of 2:02.915.^[21]Mathieu Jaminet was fastest in GTD.^[21]

In Friday afternoon's 90-minute four-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 arranged the grid to put Prototypes ahead of the PC, GTLM and GTD cars.^[24][11]

Qualifying was broken into four sessions. The first was for cars in GTD class.Mathieu Jaminet qualified on pole for the class driving the #28 Alegra Motorsports, bestingJack Hawksworth in the #153GT Racing entry.^[25]

The second session of qualifying was for cars in the GTLM class.John Edwards qualified on pole driving the #24BMW Team RLL entry, beatingGiancarlo Fisichella in the #62Risi Competizione entry by less than one tenth of a second.^[25]

The third session of qualifying was for cars in the PC class.James French set the fastest time driving the #38 Performance Tech Motorsports entry.^[26][27]

The final session of qualifying was for the P class.Ricky Taylor qualified on pole by nearly 1.6 seconds clear ofJohannes van Overbeek.^[28]

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

Pos.	Class	No.	Team	Driver	Time	Gap	Grid
1	P	10	Wayne Taylor Racing	Ricky Taylor	1:54.809	_	1‡
2	P	22	Tequila Patrón ESM	Johannes van Overbeek	1:56.401	+1.592	2
3	P	31	Whelen Engineering Racing	Eric Curran	1:56.429	+1.620	3
4	P	5	Mustang Sampling Racing	Christian Fittipaldi	1:56.655	+1.846	4
5	P	52	PR1/Mathiasen Motorsports	José Gutiérrez	1:56.884	+2.075	5
6	P	2	Tequila Patrón ESM	Scott Sharp	1:56.988	+2.179	6
7	P	55	Mazda Motorsports	Jonathan Bomarito	1:57.199	+2.390	7
8	P	90	VisitFlorida Racing	Marc Goossens	1:57.460	+2.651	8
9	P	85	JDC-Miller MotorSports	Mikhail Goikhberg	1:57.726	+2.917	9
10	P	70	Mazda Motorsports	Tom Long	1:57.929	+3.120	10
11	PC	38	Performance Tech Motorsports	James French	2:00.066	+5.257	11‡
12	GTLM	24	BMW Team RLL	John Edwards	2:02.833	+8.024	14‡
13	GTLM	62	Risi Competizione	Giancarlo Fisichella	2:02.865	+8.056	15
14	GTLM	25	BMW Team RLL	Alexander Sims	2:02.990	+8.181	16
15	GTLM	67	Ford Chip Ganassi Racing	Ryan Briscoe	2:03.014	+8.205	17
16	GTLM	66	Ford Chip Ganassi Racing	Dirk Müller	2:03.023	+8.214	18
17	PC	26	BAR1 Motorsports	Stefan Wilson	2:03.026	+8.217	12
18	GTLM	3	Corvette Racing	Jan Magnussen	2:03.030	+8.221	19
19	GTLM	911	Porsche GT Team	Patrick Pilet	2:03.085	+8.276	20
20	GTLM	4	Corvette Racing	Tommy Milner	2:03.594	+8.785	21
21	GTLM	912	Porsche GT Team	Wolf Henzler	2:03.759	+8.950	22
22	PC	20	BAR1 Motorsports	Don Yount	2:04.264	+9.455	13
23	GTD	28	Alegra Motorsports	Mathieu Jaminet	2:06.264	+11.722	23‡
24	GTD	15	3GT Racing	Jack Hawksworth	2:06.623	+11.814	391
25	GTD	48	Paul Miller Racing	Madison Snow	2:07.724	+12.915	24
26	GTD	16	Change Racing	Corey Lewis	2:07.757	+12.948	25
27	GTD	73	Park Place Motorsports	Patrick Lindsey	2:07.778	+12.969	26
28	GTD	57	Stevenson Motorsports	Andrew Davis	2:07.882	+13.073	27
29	GTD	14	3GT Racing	Scott Pruett	2:07.959	+13.150	28
30	GTD	33	Riley Motorsports – Team AMG	Ben Keating	2:08.033	+13.224	29
31	GTD	93	Michael Shank Racing withCurb-Agajanian	Katherine Legge	2:08.089	+13.280	30
32	GTD	63	Scuderia Corsa	Christina Nielsen	2:08.210	+13.280	31
33	GTD	75	SunEnergy1 Racing	Kenny Habul	2:08.515	+13.706	32
34	GTD	50	Riley Motorsports – WeatherTech Racing	Cooper MacNeil	2:08.697	+13.888	33
35	GTD	86	Michael Shank Racing withCurb-Agajanian	Oswaldo Negri Jr.	2:08.761	+13.952	34
36	GTD	96	Turner Motorsport	Bret Curtis	2:09.039	+14.230	35
37	GTD	991	TRG	Parker Chase	2:09.295	+14.486	36
38	GTD	80	Lone Star Racing	Dan Knox	2:09.500	+14.691	382
39	GTD	54	CORE Autosport	Jon Bennett	2:10.221	+15.412	37
Sources:[29][30]

• ¹ The No. 15 3GT Racing entry was moved to the back of the GTD after failing post qualifying technical inspection.^[31]
• ² The No. 80 Lone Star Racing entry was moved to the back of the GTD as per Article 43.6 of the Sporting regulations (Change of starting tires).^[24]

With a total of 141 points, Jordan Taylor and Ricky Taylor's victory allowed them to increase their advantage over Fittipaldi and Barbosa in the Prototype Drivers' Championship to 22 points.^[32] In PC, Yount and Rice advanced from fourth to second.^[32] With 124 points, García and Magnussen's victory allowed them to take the lead of the GTLM Drivers' Championship.^[32] With a total of 133 points, Bleekemolen and Keating's victory allowed them to increase their advantage over Balzan and Nielsen to 24 points.^[32] Cadillac and Mercedes-AMG continued to top their respective Manufacturers' Championships while Chevrolet took the lead of the GTLM Manufactures' Championship.^[32] Wayne Taylor Racing, Performance Tech Motorsports, and Riley Motorsports kept their respective advantages in their respective of Teams' Championships while Corvette Racing took the lead of the GTLM Teams' Championship with eight races left in the season.^[32]

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 73 2:41:14.508‡ Cadillac 6.2 LV8 2 P 31 Whelen Engineering Racing Dane Cameron Eric Curran Cadillac DPi-V.R C 73 +18.555 Cadillac 6.2 LV8 3 P 5 Mustang Sampling Racing João Barbosa Christian Fittipaldi Cadillac DPi-V.R C 73 +19.818 Cadillac 6.2 LV8 4 P 85 JDC-Miller MotorSports Mikhail Goikhberg Stephen Simpson Oreca 07 C 73 +27.239 Gibson GK428 4.2 LV8 5 P 22 Tequila Patrón ESM Johannes van Overbeek Ed Brown Nissan Onroak DPi C 72 +1 lap Nissan VR38DETT 3.8 LTurboV6 6 PC 38 Performance Tech Motorsports James French Patricio O'Ward Oreca FLM09 C 72 +1 lap‡ Chevrolet 6.2 L V8 7 GTLM 3 Corvette Racing Jan Magnussen Antonio García Chevrolet Corvette C7.R M 71 +2 Laps‡ Chevrolet LT5.5 5.5 L V8 8 GTLM 25 BMW Team RLL Bill Auberlen Alexander Sims BMW M6 GTLM M 71 +2 Laps BMW 4.4 LTurboV8 9 PC 26 BAR1 Motorsports Stefan Wilson Nicholas Boulle Oreca FLM09 C 71 +2 Laps Chevrolet 6.2 L V8 10 GTLM 24 BMW Team RLL John Edwards Martin Tomczyk BMW M6 GTLM M 71 +2 Laps BMW 4.4 LTurboV8 11 GTLM 911 Porsche GT Team Patrick Pilet Dirk Werner Porsche 911 RSR M 71 +2 Laps Porsche 4.0 LFlat-6 12 GTLM 66 Ford Chip Ganassi Racing Dirk Müller Joey Hand Ford GT M 70 +3 Laps FordEcoBoost 3.5 LTwin-turboV6 13 GTD 33 Riley Motorsports – Team AMG Jeroen BleekemolenBen Keating Mercedes-AMG GT3 C 69 +4 Laps‡ Mercedes AMGM159 6.2 LV8 14 GTD 63 Scuderia Corsa Christina Nielsen Alessandro Balzan Ferrari 488 GT3 C 69 +4 Laps Ferrari F154CB 3.9 LTurboV8 15 GTD 75 SunEnergy1 Racing Tristan Vautier Kenny Habul Mercedes-AMG GT3 C 69 +4 Laps Mercedes AMGM159 6.2 LV8 16 GTD 48 Paul Miller Racing Bryan Sellers Madison Snow Lamborghini Huracán GT3 C 69 +4 Laps Lamborghini 5.2 LV10 17 GTD 96 Turner Motorsport Jens Klingmann Bret Curtis BMW M6 GT3 C 69 +4 Laps BMW 4.4LTurboV8 18 GTD 50 Riley Motorsports – WeatherTech Racing Cooper MacNeil Gunnar Jeannette Mercedes-AMG GT3 C 69 +4 Laps Mercedes AMGM159 6.2 L V8 19 GTD 28 Alegra Motorsports Mathieu Jaminet Daniel Morad Porsche 911 GT3 R C 69 +4 Laps Porsche 4.0 LFlat-6 20 GTD 73 Park Place Motorsports Jörg Bergmeister Patrick Lindsey Porsche 911 GT3 R C 69 +4 Laps Porsche 4.0 LFlat-6 21 GTD 14 3GT Racing Scott Pruett Sage Karam Lexus RC F GT3 C 69 +4 Laps Lexus 5.0LV8 22 GTD 57 Stevenson Motorsports Andrew Davis Lawson Aschenbach Audi R8 LMS C 69 +4 Laps Audi 5.2LV10 23 GTD 86 Michael Shank Racing withCurb Agajanian Jeff Segal Oswaldo Negri Jr. Acura NSX GT3 C 69 +4 Laps Acura 3.5 LTurboV6 24 GTD 80 Lone Star Racing Dan Knox Mike Skeen Mercedes-AMG GT3 C 69 +4 Laps Mercedes-AMG M159 6.2 LV8 25 GTD 15 3GT Racing Robert Alon Jack Hawksworth Lexus RC F GT3 C 69 +4 Laps Lexus 5.0LV8 26 GTD 54 CORE Autosport Jon Bennett Colin Braun Porsche 911 GT3 R C 69 +4 Laps Porsche 4.0 LFlat-6 27 GTD 93 Michael Shank Racing withCurb Agajanian Andy Lally Katherine Legge Acura NSX GT3 C 69 +4 Laps Acura 3.5 LTurboV6 28 P 2 Tequila Patrón ESM Scott Sharp Ryan Dalziel Nissan Onroak DPi C 68 Fire Nissan VR38DETT 3.8 LTurboV6 29 GTD 991 TRG Parker Chase Harry Gottsacker Porsche 911 GT3 R C 68 +5 Laps Porsche 4.0 LFlat-6 30 DNF P 90 VisitFlorida Racing Marc Goossens Renger van der Zande Riley Mk. 30 C 63 Power steering Gibson GK428 4.2 LV8 31 GTLM 67 Ford Chip Ganassi Racing Ryan Briscoe Richard Westbrook Ford GT M 63 +10 Laps FordEcoBoost 3.5 LTwin-turboV6 32 DNF PC 20 BAR1 Motorsports Don Yount Buddy Rice Oreca FLM09 C 52 Mechanical Chevrolet 6.2 L V8 33 P 70 Mazda Motorsports Tom Long Joel Miller Mazda RT24-P C 52 +21 Laps Mazda MZ-2.0T 2.0 LTurboI4 34 P 52 PR1/Mathiasen Motorsports José Gutiérrez Marco Bonanomi Ligier JS P217 C 43 +30 Laps Gibson GK428 4.2 LV8 35 GTLM 4 Corvette Racing Oliver Gavin Tommy Milner Chevrolet Corvette C7.R M 41 +32 Laps Chevrolet LT5.5 5.5 LV8 36 DNF P 55 Mazda Motorsports Tristan Nunez Jonathan Bomarito Mazda RT24-P C 27 Electrical Mazda MZ-2.0T 2.0 LTurboI4 37 DNF GTD 16 Change Racing Corey Lewis Jeroen Mul Lamborghini Huracán GT3 C 22 Driveshaft Lamborghini 5.2 LV10 38 DNF GTLM 912 Porsche GT Team Wolf Henzler Laurens Vanthoor Porsche 911 RSR M 10 Crash damage Porsche 4.0 LFlat-6 39 DNF GTLM 62 Risi Competizione Toni Vilander Giancarlo Fisichella Ferrari 488 GTE M 1 Crash Ferrari F154CB 3.9 LTurboV8 Source:[33][34]

Tyre manufacturers Key Symbol Tyre manufacturer C Continental M Michelin

Prototype Drivers' Championship standings[32] Pos. +/– Driver Points 1 Jordan Taylor Ricky Taylor 141 2 João Barbosa Christian Fittipaldi 119 3 2 Dane Cameron Eric Curran 111 4 1 Misha Goikhberg Stephen Simpson 110 5 1 Ryan Dalziel Scott Sharp 106

PC Drivers' Championship standings[32] Pos. +/– Driver Points 1 James French Patricio O'Ward 108 2 2 Don Yount Buddy Rice 88 3 2 Kyle Masson 72 4 1 Nicholas Boulle 68 5 3 Sean Rayhall 60

GTLM Drivers' Championship standings[32] Pos. +/– Driver Points 1 1 Antonio García Jan Magnussen 124 2 1 Joey Hand Dirk Müller 118 3 1 Patrick Pilet Dirk Werner 110 4 4 Bill Auberlen Alexander Sims 108 5 2 Ryan Briscoe Richard Westbrook 107

GTD Drivers' Championship standings[32] Pos. +/– Driver Points 1 Jeroen Bleekemolen Ben Keating 133 2 Alessandro Balzan Christina Nielsen 109 3 Daniel Morad 100 4 4 Bryan Sellers Madison Snow 93 5 Lawson Aschenbach Andrew Davis 91

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

Protoype Teams' Championship standings[32] Pos. +/– Team Points 1 #10Wayne Taylor Racing 141 2 #5Mustang Sampling Racing 119 3 2 #31Whelen Engineering Racing 111 4 1 #85JDC-Miller MotorSports 110 5 1 #2Tequila Patrón ESM 106

PC Teams' Championship standings[32] Pos. +/– Team Points 1 #38 Performance Tech Motorsports 108 2 #26 BAR1 Motorsports 93 3 1 #20 BAR1 Motorsports 88 4 1 #8Starworks Motorsport 58 5 #88Starworks Motorsport 28

GTLM Teams' Championship standings[32] Pos. +/– Team Points 1 1 #3Corvette Racing 124 2 1 #66Ford Chip Ganassi Racing 118 3 1 #911Porsche GT Team 110 4 4 #25BMW Team RLL 108 5 2 #67Ford Chip Ganassi Racing 107

GTD Teams' Championship standings[32] Pos. +/– Team Points 1 #33Riley Motorsports Team AMG 133 2 #63Scuderia Corsa 109 3 #28 Alegra Motorsports 100 4 2 #48Paul Miller Racing 93 5 1 #57 Stevenson Motorsports 91

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

Prototype Manufacturers' Championship standings[32] Pos. +/– Manufacturer Points 1 Cadillac 140 2 Nissan 126 3 Mazda 122

GTLM Manufacturers' Championship standings[32] Pos. +/– Manufacturer Points 1 1 Chevrolet 133 2 1 Ford 127 3 Porsche 118 4 1 BMW 114 5 1 Ferrari 112

GTD Manufacturers' Championship standing[32] Pos. +/– Manufacturer Points 1 Mercedes-AMG 135 2 1 Ferrari 118 3 1 Porsche 117 4 Audi 109 5 1 Lamborghini 109

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

• 2017 WeatherTech SportsCar Championship season
• Motorsport competitions in Texas
• Sports in Austin, Texas
• May 2017 sports events in the United States

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