2021 Indianapolis 8 Hours

**2021 Indianapolis 8 Hours**
Event Information
Round 2 of 3 in the 2021 Intercontinental GT Challenge
Date	17 October 2021 Intercontinental GT Challenge
Location	Speedway, Indiana, United States
Venue	Indianapolis Motor Speedway
Results
Distance
Race 1
Distance	265 laps
Pole position	No. 51 AF Corse ; (driver for session: Alessandro Pier Guidi); AF Corse - Francorchamps Motors
Winner	Christopher Haase; Patric Niederhauser; Markus Winkelhock; Audi Sport Team Saintéloc ;

The 2021 Indianapolis 8 Hours was an endurance race held on 17 October 2021[1] at the Indianapolis Motor Speedway in Speedway, in Indiana, United States. The event was open to cars in GT classes, namely GT3 and GT4. It was the second running of the Indianapolis 8 Hours. It was also the second leg of the 2021 Intercontinental GT Challenge and the seventh and final round of the 2021 GT World Challenge America. The GT World Challenge America results were determined by the race results after three hours instead of the full eight hours.

The race was run on the SCCA Runoffs layout, not the INDYCAR Grand Prix layout as was done the previous year, as it was made necessary as a result of kerbing damage in the Turn 5-6 chicane during the Verizon 200 NASCAR-INDYCAR meeting. The Runoffs course utilised the old Formula One course with the newer Snake Pit section. [2]

Class structure

Cars competed in the following two GT classes.

GT3 Cars
GT4 Cars

Entry List

No.	Entrant	Car	Class	Driver 1	Driver 2	Driver 3
GT3 Entries
04	CrowdStrike/ DXDT Racing	Mercedes-AMG GT3 Evo	PA	Colin Braun[3]	Ben Keating[3]	George Kurtz[3]
3	K-Pax Racing	Lamborghini Huracán GT3 Evo	P	Mirko Bortolotti[4]	Andrea Caldarelli[4]	Jordan Pepper[4]
6	K-Pax Racing	Lamborghini Huracán GT3 Evo	P	Corey Lewis[4]	Marco Mapelli[4]	Giovanni Venturini[4]
10	TR3 Racing	Lamborghini Huracán GT3 Evo	PA	Giacomo Altoè[5]	John Megrue[5]	Bill Sweedler[5]
12	Ian Lacy Racing with G3 Racing	Aston Martin Vantage AMR GT3	PA	Frank Gannett[5]	Ian Lacy[5]	Drew Staveley[5]
16	EBM Giga Racing	Porsche 911 GT3 R	PA	Nick Boulle[5]	Adrian D'Silva[5]	Jeffrey Kingsley[5]
19	CrowdStrike/ DXDT Racing	Mercedes-AMG GT3 Evo	PA	Michael Cooper[3]	Thomas Merrill[3]	Erin Vogel[3]
20	Wright Motorsports	Porsche 911 GT3 R	S	Jan Heylen[5]	Fred Poordad[5]	Max Root[5]
25	Audi Sport Team Saintéloc	Audi R8 LMS Evo	P	Christopher Haase[6]	Patric Niederhauser[6]	Markus Winkelhock[6]
26	Saintéloc Racing	Audi R8 LMS Evo	S	Nicolas Baert[7]	Lucas Légeret[7]	Aurélien Panis[7]
32	Audi Sport Team WRT	Audi R8 LMS Evo	P	Christopher Mies[6]	Dries Vanthoor[6]	Charles Weerts[6]
33	Winward Racing	Mercedes-AMG GT3 Evo	S	Marvin Dienst[5]	Philip Ellis[5]	Russell Ward[5]
34	GMG Racing	Porsche 911 GT3 R	PA	Dennis Olsen[5]	James Sofronas[5]	Kyle Washington[5]
37	Audi Sport Team WRT	Audi R8 LMS Evo	P	Mattia Drudi[6]	Robin Frijns[6]	Nico Müller[6]
51	AF Corse - Francorchamps Motors	Ferrari 488 GT3 Evo 2020	P	Côme Ledogar[8][9]	Nicklas Nielsen[9][8]	Alessandro Pier Guidi[9][8]
59	Crucial Motorsports	McLaren 720S GT3	P	Ben Barnicoat[10]	Robert Bell[10]	Paul Holton[10]
61	AF Corse	Ferrari 488 GT3 Evo 2020	Am	Conrad Grunewald[9]	Mark Kvamme[9]	Jean-Claude Saada[9]
63	CrowdStrike/ DXDT Racing	Mercedes-AMG GT3 Evo	PA	David Askew[3]	Ryan Dalziel[3]	Scott Smithson[3]
70	Inception Racing with Optimum Motorsport	McLaren 720S GT3	PA	Brendan Iribe[11]	Kevin Madsen[11]	Ollie Millroy[11]
71	AF Corse - Francorchamps Motors	Ferrari 488 GT3 Evo 2020	P	Antonio Fuoco[9][8]	Callum Ilott[9][8]	Davide Rigon[9][8]
75	SunEnergy1 Racing	Mercedes-AMG GT3 Evo	PA	Mikaël Grenier[5]	Kenny Habul[5]	Martin Konrad[5]
77	Richard Mille - Compass Racing	Acura NSX GT3 Evo	S	Mario Farnbacher[12]	Ashton Harrison[12]	Matt McMurry[12]
88	Zelus Motorsports	Lamborghini Huracán GT3 Evo	PA	Jason Harward[5]	Madison Snow[5]	TBA
89	Mercedes-AMG Team AKKA ASP	Mercedes-AMG GT3 Evo	P	Timur Boguslavskiy[13][14]	Daniel Juncadella[15][14]	Raffaele Marciello[13][14]
91	Rearden Racing	Lamborghini Huracán GT3 Evo	PA	Jeff Burton[5]	Vesko Kozarov[5]	TBA
93	Racers Edge Motorsports	Acura NSX GT3 Evo	S	Jacob Abel[5]	Dakota Dickerson[5]	Taylor Hagler[5]
96	Turner Motorsport	BMW M6 GT3	P	Connor De Phillippi[5]	Michael Dinan[5]	Robby Foley[5]
99	Mercedes-AMG Team Craft-Bamboo Racing	Mercedes-AMG GT3 Evo	P	Maro Engel[16]	Jules Gounon[16]	Luca Stolz[16]
GT4 Entries
09	Automatic Racing	Aston Martin Vantage AMR GT4	Am	Jonathan Branam[5]	Paul Kiebler[5]	Mikel Miller[5]
2	GMG Racing	Aston Martin Vantage AMR GT4	PA	Jason Bell[5]	Andrew Davis[5]	Trent Hindman[5]
7	Nolasport with OGH	Porsche 718 Cayman GT4 Clubsport	Am	Sean Gibbons[5]	Pippa Mann[5]	Sam Owens[5]
8	GMG Racing	Audi R8 LMS GT4 Evo	PA	Andy Lee[5]	Joel Miller[5]	Elias Sabo[5]
36	Bimmerworld Racing	BMW M4 GT4	S	Bill Auberlen[5]	James Clay[5]	Chandler Hull[5]
47	Nolasport	Porsche 718 Cayman GT4 Clubsport	PA	Jason Hart[5]	Colin Noble[5]	Matt Travis[5]
54	Black Swan Racing	Porsche 718 Cayman GT4 Clubsport	PA	Jeroen Bleekemolen[5]	Sebastiaan Bleekemolen[5]	Tim Pappas[5]
66	TRG - The Racers Group	Porsche 718 Cayman GT4 Clubsport	PA	Derek DeBoer[5]	Andy Lally[17]	Spencer Pumpelly[5]
68	TGR Smooge Racing	Toyota GR Supra GT4	Am	Kevin Conway[18]	John Geesbreght[18]	Jack Hawksworth[18]
82	Bimmerworld Racing	BMW M4 GT4	S	Nick Galante[5]	Devin Jones[5]	James Walker[5]
98	Random Vandals Racing	BMW M4 GT4	PA	Al Carter[19]	Conor Daly[19]	Paul Sparta[19]
111	Classic BMW	BMW M4 GT4	S	John Capestro-DuBets[17]	Alex Filsinger[5]	Dominic Starkweather[17]
119	Stephen Cameron Racing	BMW M4 GT4	PA	Guy Cosmo[5]	Tom Dyer[5]	Sean Quinlan[5]

Icon	Class
P	Pro Cup
S	Silver Cup
PA	Pro/Am Cup
Am	Am Cup

Qualifying

Qualifying results

Pole positions in each class are denoted in bold.

Final qualifying classification
Pos.[20][21]	Class	No.	Team	Qualifying	Pole Shootout	Grid
1	GT3 Pro	51	AF Corse - Francorchamps Motors	1:34.916	1:33.456	1
2	GT3 Pro	25	Audi Sport Team Saintéloc	1:34.728	1:33.514	2
3	GT3 Pro	99	Mercedes-AMG Team Craft-Bamboo Racing	1:34.444	1:33.515	3
4	GT3 Pro	71	AF Corse - Francorchamps Motors	1:34.706	1:33.556	4
5	GT3 Pro	32	Audi Sport Team WRT	1:34.826	1:33.817	5
6	GT3 Pro	37	Audi Sport Team WRT	1:34.562	1:33.845	6
7	GT3 Silver	33	Winward Racing	1:35.168	1:34.013	7
8	GT3 Pro	89	Mercedes-AMG Team AKKA ASP	1:34.942	1:34.130	8
9	GT3 Silver	20	Wright Motorsports	1:35.885	1:34.197	9
10	GT3 Pro/Am	75	SunEnergy1 Racing	1:35.791	1:34.232	10
11	GT3 Pro	3	K-Pax Racing	1:34.641	1:34.376	11
12	GT3 Silver	26	Saintéloc Racing	1:35.503	1:34.418	12
13	GT3 Silver	93	Racers Edge Motorsports	1:35.775	1:34.456	13
14	GT3 Pro	6	K-Pax Racing	1:35.664	1:34.903	14
15	GT3 Pro	59	Crucial Motorsports	1:34.730	No Time	15
16	GT3 Silver	77	Richard Mille - Compass Racing	1:36.045		16
17	GT3 Pro/Am	70	Inception Racing with Optimum Motorsport	1:36.152		17
18	GT3 Pro/Am	19	CrowdStrike/ DXDT Racing	1:36.395		18
19	GT3 Pro/Am	34	GMG Racing	1:36.523		19
20	GT3 Pro/Am	88	Zelus Motorsports	1:36.764		20
21	GT3 Pro/Am	04	CrowdStrike/ DXDT Racing	1:37.044		21
22	GT3 Pro/Am	63	CrowdStrike/ DXDT Racing	1:37.199		22
23	GT3 Pro/Am	10	TR3 Racing	1:37.218		23
24	GT3 Pro/Am	91	Rearden Racing	1:37.429		24
25	GT3 Am	61	AF Corse	1:37.537		25
26	GT3 Pro/Am	16	EBM Giga Racing	1:41.637		26
27	GT4 Am	68	TGR Smooge Racing	1:43.069		39[Q 1]
28	GT4 Pro/Am	2	GMG Racing	1:43.516		27
29	GT4 Silver	36	Bimmerworld Racing	1:43.748		28
30	GT4 Pro/Am	119	Stephen Cameron Racing	1:44.093		29
31	GT4 Silver	82	Bimmerworld Racing	1:44.240		30
32	GT4 Pro/Am	47	Nolasport	1:44.252		31
33	GT4 Pro/Am	8	GMG Racing	1:44.414		32
34	GT4 Pro/Am	98	Random Vandals Racing	1:44.649		33
35	GT4 Silver	111	Classic BMW	1:44.651		34
36	GT4 Pro/Am	66	TRG - The Racers Group	1:44.740		35
37	GT4 Pro/Am	54	Black Swan Racing	1:44.859		36
38	GT4 Am	7	Nolasport with OGH	1:46.189		37
39	GT4 Am	09	Automatic Racing	1:44.608		38
40	GT3 Pro	96	Turner Motorsport	No Time		WD[Q 2]
41	GT3 Pro/Am	12	Ian Lacy Racing with G3 Racing	No Time		WD[Q 3]

The No. 68 Smooge Racing Toyota GR Supra GT4 has been stripped of its GT4 class pole following a overboost issue in Qualifying.[22]
The No. 96 Turner Motorsport BMW M6 GT3 was withdrawn following Michael Dinan's sinkness in Pre-Qualifying.[23]
The No. 12 Turner Motorsport Aston Martin Vantage AMR GT3 was withdrawn following Frank Gannett's crash in Friday's Bronze Test Session.[23]

Race Result

Class winners denoted with bold and .

Pos.	Class	No.	Team / Entrant	Drivers	Car	Laps	Time/Retired
1	GT3 Pro	25	Audi Sport Team Saintéloc	Christopher Haase Patric Niederhauser Markus Winkelhock	Audi R8 LMS Evo	265	8:00:59.768
2	GT3 Pro	89	Mercedes-AMG Team AKKA ASP	Timur Boguslavskiy Daniel Juncadella Raffaele Marciello	Mercedes-AMG GT3 Evo	265	+11.958
3	GT3 Pro	3	K-Pax Racing	Mirko Bortolotti Andrea Caldarelli Jordan Pepper	Lamborghini Huracán GT3 Evo	265	+22.853
4	GT3 Pro	51	AF Corse - Francorchamps Motors	Côme Ledogar Nicklas Nielsen Alessandro Pier Guidi	Ferrari 488 GT3 Evo 2020	265	+49.508
5	GT3 Pro	32	Audi Sport Team WRT	Christopher Mies Dries Vanthoor Charles Weerts	Audi R8 LMS Evo	265	+51.655
6	GT3 Silver	77	Richard Mille - Compass Racing	Mario Farnbacher Ashton Harrison Matt McMurry	Acura NSX GT3 Evo	265	+59.815
7	GT3 Silver	26	Saintéloc Racing	Nicolas Baert Lucas Légeret Aurélien Panis	Audi R8 LMS Evo	265	+1:23.937
8	GT3 Silver	93	Racers Edge Motorsports	Jacob Abel Dakota Dickerson Taylor Hagler	Acura NSX GT3 Evo	264	+1 Lap
9	GT3 Pro	6	K-Pax Racing	Corey Lewis Marco Mapelli Giovanni Venturini	Lamborghini Huracán GT3 Evo	264	+1 Lap
10	GT3 Pro-Am	75	SunEnergy1 Racing	Mikaël Grenier Kenny Habul Martin Konrad	Mercedes-AMG GT3 Evo	261	+4 Laps
11	GT3 Pro-Am	34	GMG Racing	Dennis Olsen James Sofronas Kyle Washington	Porsche 911 GT3 R	261	+4 Laps
12	GT3 Pro	37	Audi Sport Team WRT	Mattia Drudi Robin Frijns Nico Müller	Audi R8 LMS Evo	261	+4 Laps
13	GT3 Pro-Am	10	TR3 Racing	Giacomo Altoè John Megrue Bill Sweedler	Lamborghini Huracán GT3 Evo	259	+6 Laps
14	GT3 Pro-Am	63	CrowdStrike/DXDT Racing	David Askew Ryan Dalziel Scott Smithson	Mercedes-AMG GT3 Evo	256	+9 Laps
15	GT3 Pro-Am	70	Inception Racing with Optimum Motorsport	Brendan Iribe Kevin Madsen Ollie Millroy	McLaren 720S GT3	255	+10 Laps
16	GT3 Am	61	AF Corse	Conrad Grunewald Mark Kvamme Jean-Claude Saada	Ferrari 488 GT3 Evo 2020	254	+11 Laps
17	GT4 Silver	36	Bimmerworld Racing	Bill Auberlen James Clay Chandler Hull	BMW M4 GT4	247	+18 Laps
18	GT4 Pro-Am	119	Stephen Cameron Racing	Guy Cosmo Tom Dyer Sean Quinlan	BMW M4 GT4	247	+18 Laps
19	GT4 Pro-Am	54	Black Swan Racing	Jeroen Bleekemolen Sebastiaan Bleekemolen Tim Pappas	Porsche 718 Cayman GT4 Clubsport	247	+18 Laps
20	GT4 Silver	82	Bimmerworld Racing	Nick Galante Devin Jones James Walker	BMW M4 GT4	246	+19 Laps
21	GT4 Pro-Am	66	TRG - The Racer's Group	Derek DeBoer Andy Lally Spencer Pumpelly	Porsche 718 Cayman GT4 Clubsport	246	+19 Laps
22	GT4 Pro-Am	8	GMG Racing	Andy Lee Joel Miller Elias Sabo	Audi R8 LMS GT4 Evo	244	+21 Laps
23	GT4 Silver	111	Classic BMW	John Capestro-DuBets Alex Filsinger Dominic Starkweather	BMW M4 GT4	223	+42 Laps
24	GT3 Pro-Am	04	CrowdStrike/DXDT Racing	Colin Braun Ben Keating George Kurtz	Mercedes-AMG GT3 Evo	212	+53 Laps
25	GT4 Am	09	Automatic Racing	Jonathan Branam Paul Kiebler Mikel Miller	Aston Martin Vantage AMR GT4	212	+53 Laps
26	GT4 Am	7	Nolasport with OGH	Sean Gibbons Pippa Mann Sam Owens	Porsche 718 Cayman GT4 Clubsport	200	+65 Laps
27	GT4 Pro-Am	47	Nolasport	Jason Hart Colin Noble Matt Travis	Porsche 718 Cayman GT4 Clubsport	196	+69 Laps
NC	GT3 Pro	99	Mercedes-AMG Team Craft-Bamboo Racing	Maro Engel Jules Gounon Luca Stolz	Mercedes-AMG GT3 Evo	243	Retired
NC	GT3 Pro	59	Crucial Motorsports	Ben Barnicoat Robert Bell Paul Holton	McLaren 720S GT3	242	Retired
NC	GT3 Pro	71	AF Corse - Francorchamps Motors	Antonio Fuoco Callum Ilott Davide Rigon	Ferrari 488 GT3 Evo 2020	237	Retired
NC	GT4 Pro-Am	98	Random Vandals Racing	Al Carter Conor Daly Paul Sparta	BMW M4 GT4	169	Retired
NC	GT3 Pro-Am	16	EBM Giga Racing	Nick Boulle Adrian D'Silva Jeffery Kingsley	Porsche 911 GT3 R	144	Retired
NC	GT3 Silver	20	Wright Motorsports	Jan Heylen Fred Poordad Max Root	Porsche 911 GT3 R	144	Retired
NC	GT4 Pro-Am	2	GMG Racing	Jason Bell Andrew Davis Trent Hindman	Aston Martin Vantage AMR GT4	134	Retired
NC	GT4 Am	68	TGR Smooge Racing	Kevin Conway John Geesbreght Jack Hawksworth	Toyota GR Supra GT4	120	Retired
NC	GT3 Pro-Am	91	Rearden Racing	Jeff Burton Vesko Kozarov	Lamborghini Huracán GT3 Evo	103	Retired
NC	GT3 Pro-Am	19	CrowdStrike/DXDT Racing	Michael Cooper Thomas Merrill Erin Vogel	Mercedes-AMG GT3 Evo	62	Retired
NC	GT3 Silver	33	Winward Racing	Marvin Dienst Philip Ellis Russell Ward	Mercedes-AMG GT3 Evo	62	Retired
NC	GT3 Pro-Am	88	Zelus Motorsports	Jason Harward Madison Snow	Lamborghini Huracán GT3 Evo	100	Retired
Results

References

"Indianapolis 8 Hour Event Schedule".
"Indianapolis Wednesday Notebook – Sportscar365".
Dagys, John (October 7, 2021). "Keating, Smithson, Merrill Complete DXDT Lineups for Indy". sportscar365.com. John Dagys Media. Retrieved October 7, 2021.
Dagys, John (October 7, 2021). "Bortolotti, Mapelli Join K-PAX as FFF Withdraws Indy 8H Entry". sportscar365.com. John Dagys Media. Retrieved October 7, 2021.
Dagys, John (October 8, 2021). "Record 41 Entries for Indianapolis 8H". sportscar365.com. John Dagys Media. Retrieved October 8, 2021.
Dagys, John (October 1, 2021). "WRT, Sainteloc Spearhead Audi's Four-Car Indy 8H Bid". sportscar365.com. John Dagys Media. Retrieved October 1, 2021.
"Sainteloc's Silver crew completes Audi Sport's Indy IGTC nominations". gt-world-challenge-america.com. SRO Motorsports Group. 6 October 2021. Retrieved 6 October 2021.
Dagys, John (4 October 2021). "AF Corse Commits to Indy, Kyalami with Factory Ferraris". sportscar365.com. John Dagys Media. Retrieved 4 October 2021.
"Spa winners Pier Guidi, Ledogar and Nielsen headline Ferrari's Indy 8 Hour assault". gt-world-challenge-america.com. SRO Motorsports Group. 4 October 2021. Retrieved 4 October 2021.
Dagys, John (6 October 2021). "McLaren Factory Drivers Set for Indy 8H Effort". sportscar365.com. John Dagys Media. Retrieved 6 October 2021.
"inception racing confirms Indianapolis 8 Hour entry". gt-world-challenge-america.com. SRO Motorsports Group. September 23, 2021. Retrieved September 23, 2021.
Lloyd, Daniel (5 October 2021). "Compass Names Drivers for Indianapolis 8H Entry". sportscar365.com. John Dagys Media. Retrieved 5 October 2021.
Goodwin, Graham (4 October 2021). "AKKA ASP Enter AMG GT3 In Indy 8 Hours". dailysportscar. Retrieved 4 October 2021.
Dagys, John (11 October 2021). "AKKA-ASP Borrowing DXDT Mercedes Amid Freight Delays". sportscar365.com. John Dagys Media. Retrieved 11 October 2021.
Dagys, John (11 October 2021). "Juncadella to Replace Fraga in AKKA-ASP Mercedes for Indy 8H". sportscar365.com. John Dagys Media. Retrieved 11 October 2021.
"Craft-Bamboo to represent Mercedes-AMG at Indianapolis 8 Hour". gt-world-challenge-america.com. SRO Motorsports Group. September 23, 2021. Retrieved September 23, 2021.
Dagys, John (11 October 2021). "Indianapolis Thursday Notebook". sportscar365.com. John Dagys Media. Retrieved 11 October 2021.
Dagys, John (5 October 2021). "Hawksworth Joins Smooge Toyota GR Supra GT4 for Indy 8H". sportscar365.com. John Dagys Media. Retrieved 5 October 2021.
"IndyCar star Daly joins RVR's Indianapolis GT4 entry". gt-world-challenge-america.com. SRO Motorsports Group. October 2, 2021. Retrieved October 2, 2021.
"Qualifying: Craft-Bamboo Mercedes leads fastest 15 into Indy Pole Shootout". gt-world-challenge-america.com. SRO Motorsports Group. 16 October 2021. Retrieved 16 October 2021.
"Pier Guidi maintains stellar form to give AF Corse Ferrari pole at Indianapolis". gt-world-challenge-america.com. SRO Motorsports Group. 16 October 2021. Retrieved 16 October 2021.
Dagys, John (17 October 2021). "Smooge Toyota Supra GT4 Stripped of Indy 8H Class Pole". sportscar365.com. John Dagys Media. Retrieved 17 October 2021.
Dagys, John (16 October 2021). "Turner Withdraws BMW Entry Due to Dinan Illness". sportscar365.com. John Dagys Media. Retrieved 16 October 2021.

External links

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[Smooge_Grid-23] The No. 68 Smooge Racing Toyota GR Supra GT4 has been stripped of its GT4 class pole following a overboost issue in Qualifying.[22]

[Turner_Grid-25] The No. 96 Turner Motorsport BMW M6 GT3 was withdrawn following Michael Dinan's sinkness in Pre-Qualifying.[23]

[Ian_Lacy_Grid-26] The No. 12 Turner Motorsport Aston Martin Vantage AMR GT3 was withdrawn following Frank Gannett's crash in Friday's Bronze Test Session.[23]

[1] "Indianapolis 8 Hour Event Schedule".

[2] "Indianapolis Wednesday Notebook – Sportscar365".

[CrowdStrikeDXDTIndy8-3] Dagys, John (October 7, 2021). "Keating, Smithson, Merrill Complete DXDT Lineups for Indy". sportscar365.com. John Dagys Media. Retrieved October 7, 2021.

[K-PAXIndy8-4] Dagys, John (October 7, 2021). "Bortolotti, Mapelli Join K-PAX as FFF Withdraws Indy 8H Entry". sportscar365.com. John Dagys Media. Retrieved October 7, 2021.

[41Entries-5] Dagys, John (October 8, 2021). "Record 41 Entries for Indianapolis 8H". sportscar365.com. John Dagys Media. Retrieved October 8, 2021.

[AudiIndy8-6] Dagys, John (October 1, 2021). "WRT, Sainteloc Spearhead Audi's Four-Car Indy 8H Bid". sportscar365.com. John Dagys Media. Retrieved October 1, 2021.

[SaintélocAudiIndy8H-7] "Sainteloc's Silver crew completes Audi Sport's Indy IGTC nominations". gt-world-challenge-america.com. SRO Motorsports Group. 6 October 2021. Retrieved 6 October 2021.

[FerrariIndy8H-8] Dagys, John (4 October 2021). "AF Corse Commits to Indy, Kyalami with Factory Ferraris". sportscar365.com. John Dagys Media. Retrieved 4 October 2021.

[AFCFerrariIndy8H-9] "Spa winners Pier Guidi, Ledogar and Nielsen headline Ferrari's Indy 8 Hour assault". gt-world-challenge-america.com. SRO Motorsports Group. 4 October 2021. Retrieved 4 October 2021.

[Crucial720sIndy8H-10] Dagys, John (6 October 2021). "McLaren Factory Drivers Set for Indy 8H Effort". sportscar365.com. John Dagys Media. Retrieved 6 October 2021.

[InceptionOptimumIndy8H-11] "inception racing confirms Indianapolis 8 Hour entry". gt-world-challenge-america.com. SRO Motorsports Group. September 23, 2021. Retrieved September 23, 2021.

[CompassNSXIndy8H-12] Lloyd, Daniel (5 October 2021). "Compass Names Drivers for Indianapolis 8H Entry". sportscar365.com. John Dagys Media. Retrieved 5 October 2021.

[AKKAASPIndy8H-13] Goodwin, Graham (4 October 2021). "AKKA ASP Enter AMG GT3 In Indy 8 Hours". dailysportscar. Retrieved 4 October 2021.

[CrowdStrikeAKKAIndy8H-14] Dagys, John (11 October 2021). "AKKA-ASP Borrowing DXDT Mercedes Amid Freight Delays". sportscar365.com. John Dagys Media. Retrieved 11 October 2021.

[JuncadellaIndy8H-15] Dagys, John (11 October 2021). "Juncadella to Replace Fraga in AKKA-ASP Mercedes for Indy 8H". sportscar365.com. John Dagys Media. Retrieved 11 October 2021.

[Craft-BambooIndy8H-16] "Craft-Bamboo to represent Mercedes-AMG at Indianapolis 8 Hour". gt-world-challenge-america.com. SRO Motorsports Group. September 23, 2021. Retrieved September 23, 2021.

[IndyThursUpdates-17] Dagys, John (11 October 2021). "Indianapolis Thursday Notebook". sportscar365.com. John Dagys Media. Retrieved 11 October 2021.

[ToyotaGT4Indy8H-18] Dagys, John (5 October 2021). "Hawksworth Joins Smooge Toyota GR Supra GT4 for Indy 8H". sportscar365.com. John Dagys Media. Retrieved 5 October 2021.

[RVRBMWIndy8H-19] "IndyCar star Daly joins RVR's Indianapolis GT4 entry". gt-world-challenge-america.com. SRO Motorsports Group. October 2, 2021. Retrieved October 2, 2021.

[QualifyingResult-20] "Qualifying: Craft-Bamboo Mercedes leads fastest 15 into Indy Pole Shootout". gt-world-challenge-america.com. SRO Motorsports Group. 16 October 2021. Retrieved 16 October 2021.

[PoleResult-21] "Pier Guidi maintains stellar form to give AF Corse Ferrari pole at Indianapolis". gt-world-challenge-america.com. SRO Motorsports Group. 16 October 2021. Retrieved 16 October 2021.

[TRGSmoogePole-22] Dagys, John (17 October 2021). "Smooge Toyota Supra GT4 Stripped of Indy 8H Class Pole". sportscar365.com. John Dagys Media. Retrieved 17 October 2021.

[Indy8Withdrews-24] Dagys, John (16 October 2021). "Turner Withdraws BMW Entry Due to Dinan Illness". sportscar365.com. John Dagys Media. Retrieved 16 October 2021.