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2021 6 Hours of The Glen

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Track map of Watkins Glen International

The 2021 Sahlen's Six Hours of The Glen was an endurance sports car race sanctioned by the International Motor Sports Association (IMSA). The race was held at Watkins Glen International in Watkins Glen, New York on June 27, 2021. This race was the fifth round of the 2021 IMSA SportsCar Championship, and the third round of the 2021 Michelin Endurance Cup.

Background

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Watkins Glen International, where the race was held.

International Motor Sports Association's (IMSA) president John Doonan confirmed the race was part of the schedule for the 2021 IMSA SportsCar Championship (IMSA SCC) in September 2020. It was the seventh year the event was held as part of the WeatherTech SportsCar Championship.[1] The 2021 Sahlen's Six Hours of The Glen was the fifth of twelve scheduled sports car races of 2021 by IMSA, and it was the third of four races of the Michelin Endurance Cup (MEC).[2] The race was held at the eleven-turn 3.450 mi (5.552 km) Watkins Glen International in Watkins Glen, New York on June 27, 2021.[3] The race marked IMSA's return to Watkins Glen after the previous year's edition of the event was canceled as a result of the COVID-19 pandemic. With the cancellation of the scheduled event at Canadian Tire Motorsport Park prompting the running of the WeatherTech 240, the six hour race became the first of two races in as many weeks at the track.[4]

On June 18, 2021, IMSA released the latest technical bulletin outlining Balance of Performance for the event.[5] In DPi, The Acura and Cadillac received slight fuel capacity reductions at one and two liters respectively, while the Mazda featured a 3.6 kW horsepower increase. The two GT classes saw minor adjustments, with the GTLM-class Porsche receiving a 10 kg weight reduction, while the Aston Martin received a 7.1 kW horsepower decrease and a two-liter fuel capacity decrease after winning the previous round at Belle Isle.

Before the race Filipe Albuquerque and Ricky Taylor led the DPi Drivers' Championship with 1398 points, ahead of Oliver Jarvis and Harry Tincknell with 1327 points, and Pipo Derani and Felipe Nasr with 1270 points.[6] In LMP2, Scott Huffaker, Mikkel Jensen, and Ben Keating led the Drivers' Championship with 382 points, 32 points ahead of Ryan Dalziel, Dwight Merriman, and Kyle Tilley.[6] With 715 points, Gar Robinson led the LMP3 Drivers' Championship, 25 points ahead of Jon Bennett and Colin Braun.[6] Nicky Catsburg, Antonio García, and Jordan Taylor led the GTLM Drivers' Championship with 697 points, 41 points ahead of Cooper MacNeil followed by John Edwards, Augusto Farfus, and Jesse Krohn in third.[6] With 920 points, the GTD Drivers' Championship was led by Bill Auberlen and Robby Foley, ahead of Roman De Angelis and Ross Gunn.[6] Cadillac, Chevrolet, and BMW were leading their respective Manufacturers' Championships, while WTR-Konica Minolta Acura, PR1/Mathiasen Motorsports, Riley Motorsports, Corvette Racing, and Turner Motorsport each led their own Teams' Championships.[6]

Entries

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A total of 38 cars took part in the event, split across five classes. 7 cars were entered in DPi, 5 in LMP2, 7 in LMP3, 5 in GTLM, and 14 in GTD. The pre-event entry list contained 40 entries, but both Sean Creech Motorsport and Forty7 Motorsports withdrew their LMP3 entries before the start of the weekend.[7]

DPi featured the expected addition of the Ally Cadillac Racing #48 alongside the six full-season entries in the class.[8] Four of the seven teams also elected to add a third driver to their lineups. In LMP2, United Autosports returned as part of their Michelin Endurance Cup schedule, while James French joined Tower Motorsport By Starworks for the first time in 2021.[9] LMP3 featured a series of additions, including Marco Andretti's addition to the Andretti Autosport entry, United Autosports' IMSA LMP3 debut, and the long-awaited first IMSA SportsCar Championship appearance for Dawson Racing.[10] GTLM saw the return of WeatherTech Racing after they missed the previous round at Detroit, while BMW Team RLL returned as part of their Endurance Cup campaign.[8] In GTD, CarBahn with Peregrine Racing added another event to their Sprint Cup schedule,[8] and NTE Sport returned after most recently appearing at Daytona in January.[11] Wright Motorsports also announced prior to the event that Trent Hindman would replace Ryan Hardwick as Patrick Long's co-driver for the remainder of the season.[8]

Practice

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There were two practice sessions preceding the start of the race on Sunday, one on Friday and one on Saturday. The first session lasted one hour on Friday while the second session lasted 75 minutes on Saturday.[12]

Practice 1

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The first practice session took place at 4:20 pm ET on Friday and ended with Oliver Pla topping the charts for Meyer Shank Racing with Curb-Agajanian, with a lap time of 1:31.056, ahead of the No. 31 Cadillac of Mike Conway.[13] Tristan Nunez was fastest in LMP2 with a time of 1:33.836.[14] Oliver Askew set the fastest time in LMP3.[15] The GTLM class was topped by the No. 4 Corvette Racing Chevrolet Corvette C8.R of Nick Tandy with a time of 1:42.517. Antonio García in the sister No. 3 Corvette Racing entry was second fastest and Jesse Krohn rounded out the top three.[15] Jack Hawksworth was fastest in GTD.[13] The session was red flagged twice. 7 minutes into the session, Kyle Tilley in the No. 18 Era Motorsports Oreca crashed at turn one after making contact with the No. 48 Ally Cadillac Racing Cadillac DPi-V.R of Simon Pagenaud.[13] The final stoppage came when Matt Campbell's No. 79 WeatherTech Racing Porsche 911 RSR-19 suffered suspension damage after going airborne at the Inner Loop causing debris to be scattered onto the track.[16]

Pos. Class No. Team Driver Time Gap
1 DPi 60 Meyer Shank Racing with Curb-Agajanian Oliver Pla 1:31.056 _
2 DPi 31 Whelen Engineering Racing Mike Conway 1:31.647 +0.591
3 DPi 01 Cadillac Chip Ganassi Racing Renger van der Zande 1:31.949 +0.893
Sources:[17][18]

Practice 2

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The second and final practice session took place at 8:00 am ET on Saturday and ended with Dane Cameron topping the charts for Meyer Shank Racing with Curb-Agajanian, with a lap time of 1:30.451. Ricky Taylor's No. 10 Acura was second fastest followed by Pipo Derani in the No. 31 Cadillac.[19] Mikkel Jensen set the fastest time in LMP2.[20] Felipe Fraga was fastest in LMP3 with a time of 1:39.937.[21] The GTLM class topped by the No. 25 BMW Team RLL BMW M8 GTE of Connor De Phillippi with a time of 1:41.977. Antonio García in the No. 3 Corvette Racing entry was second fastest and John Edwards rounded out the top three.[16] Kyle Kirkwood was fastest in GTD.[20] The session saw one stoppage when Steven Thomas locked the No. 11 WIN Autosport Oreca 07's brakes at turn eight and hit the wall before collecting Zacharie Robichon's No. 9 Porsche.[16][21]

Pos. Class No. Team Driver Time Gap
1 DPi 60 Meyer Shank Racing with Curb-Agajanian Dane Cameron 1:30.451 _
2 DPi 10 WTR-Konica Minolta Acura Ricky Taylor 1:30.682 +0.231
3 DPi 31 Whelen Engineering Racing Pipo Derani 1:30.893 +0.442
Sources:[22][23]

Qualifying

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Qualifying was broken into four sessions.[12] The first was for cars in GTD class. Kyle Kirkwood qualified on pole for the class driving the No. 14 car for Vasser Sullivan Racing, beating Trent Hindman in the No. 16 Porsche by more than three-tenths of a second.[24] Jaden Conwright in the No. 42 NTE Sport Audi was third followed by the No. 28 Mercedes-AMG of Daniel Morad, and The No. 96 Turner Motorsport BMW of Robby Foley rounded out the top five.[25]

The second session was for cars in the GTLM and GTD classes. Antonio García qualified on pole in GTLM driving the No. 3 car for Corvette Racing, besting teammate Tommy Milner in the sister No. 4 Corvette Racing entry. Connor De Phillippi's No. 25 BMW was third, with the sister No. 24 car of John Edwards fourth. MacNeil rounded out the GTLM qualifiers.[25] Jack Hawksworth set the fastest time in the GTD points paying session driving the No. 14 car for Vasser Sullivan Racing and earned 35 championship points. Hawksworth was 0.282 seconds clear of teammate Zach Veach in the sister No. 12 Vasser Sullivan Racing entry.[26] Patrick Long was third in the No. 16 Wright Motorsports Porsche followed by Richard Heistand in the No. 39 Audi.[25]

The third session was for cars in the LMP3 class. Austin McCusker qualified on pole for the class driving the No. 2 car for United Autosports. McCusker was 0.570 second clear of Jarett Andretti in the No. 36 Andretti Autosport Ligier. Following in third was George Kurtz's No. 54 Ligier while The No. 38 Performance Tech Motorsports Ligier JS P320 of Dan Goldburg was fourth.[25]

The final session of qualifying was for cars in the DPi and LMP2 classes. Ricky Taylor took overall pole for the event driving the No. 10 car for WTR-Konica Minolta Acura, beating Dane Cameron in the No. 60 Meyer Shank Racing Acura by 0.119 seconds. Renger van der Zande's No. 01 Cadillac was third by Kamui Kobayashi in the No. 48 Ally Cadillac Racing, and Pipo Derani's No. 31 Cadillac rounded out the top five.[27] Steven Thomas qualified on pole in LMP2 driving the No. 11 car for WIN Autosport, besting Ben Keating in the No. 52 PR1/Mathiasen Motorsports entry. [28]

Qualifying results

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

Pos. Class No. Team Driver Time Gap Grid
1 DPi 10 United States WTR-Konica Minolta Acura United States Ricky Taylor 1:30.022 _ 1
2 DPi 60 United States Meyer Shank Racing w/ Curb-Agajanian United States Dane Cameron 1:30.141 +0.119 2
3 DPi 01 United States Cadillac Chip Ganassi Racing Netherlands Renger van der Zande 1:30.637 +0.615 3
4 DPi 48 United States Ally Cadillac Racing Japan Kamui Kobayashi 1:30.671 +0.649 4
5 DPi 31 United States Whelen Engineering Racing Brazil Pipo Derani 1:30.824 +0.802 5
6 DPi 55 Canada Mazda Motorsports United Kingdom Oliver Jarvis 1:31.075 +1.053 71
7 DPi 5 United States JDC-Mustang Sampling Racing France Tristan Vautier 1:31.324 +1.302 6
8 LMP2 11 United States WIN Autosport United States Steven Thomas 1:35.304 +5.282 8
9 LMP2 52 United States PR1/Mathiasen Motorsports United States Ben Keating 1:35.322 +5.300 122
10 LMP2 18 United States Era Motorsport United States Dwight Merriman 1:38.455 +8.433 9
11 LMP2 8 United States Tower Motorsport By Starworks Canada John Farano 1:38.481 +8.459 10
12 LMP2 22 United Kingdom United Autosports United States James McGuire 1:39.510 +9.488 11
13 LMP3 2 United Kingdom United Autosports United States Austin McCusker 1:40.404 +10.382 13
14 GTLM 3 United States Corvette Racing Spain Antonio García 1:40.944 +10.922 20
15 LMP3 36 United States Andretti Autosport United States Jarett Andretti 1:40.974 +10.952 14
16 GTLM 4 United States Corvette Racing United States Tommy Milner 1:41.318 +11.296 21
17 GTLM 25 United States BMW Team RLL United States Connor De Phillippi 1:41.357 +11.335 22
18 LMP3 54 United States CORE Autosport United States George Kurtz 1:41.501 +11.479 15
19 LMP3 38 United States Performance Tech Motorsports United States Dan Goldburg 1:41.798 +11.776 16
20 GTLM 24 United States BMW Team RLL United States John Edwards 1:41.932 +11.910 23
21 LMP3 84 United Kingdom D3+ Transformers-Dawson Racing Norway Theodor Olsen 1:42.256 +12.234 17
22 GTLM 79 United States WeatherTech Racing United States Cooper MacNeil 1:42.363 +12.341 24
23 LMP3 74 United States Riley Motorsports United States Gar Robinson 1:43.100 +13.078 18
24 LMP3 91 United States Riley Motorsports United States Jim Cox 1:43.263 +13.241 19
25 GTD 14 United States Vasser Sullivan Racing United States Kyle Kirkwood 1:45.539 +15.517 25
26 GTD 16 United States Wright Motorsports United States Trent Hindman 1:45.849 +15.827 26
27 GTD 42 United States NTE Sport United States Jaden Conwright 1:45.853 +15.831 27
28 GTD 28 United States Alegra Motorsports Canada Daniel Morad 1:45.997 +15.975 28
29 GTD 96 United States Turner Motorsport United States Robby Foley 1:46.051 +16.029 29
30 GTD 12 United States Vasser Sullivan Racing United States Frankie Montecalvo 1:46.265 +16.243 30
31 GTD 39 United States CarBahn Motorsports with Peregrine Racing United States Tyler McQuarrie 1:46.294 +16.272 31
32 GTD 1 United States Paul Miller Racing United States Corey Lewis 1:46.512 +16.490 373
33 GTD 9 Canada Pfaff Motorsports Canada Zacharie Robichon 1:46.550 +16.528 32
34 GTD 19 Austria GRT Grasser Racing Team Canada Misha Goikhberg 1:47.070 +17.048 33
35 GTD 75 Australia SunEnergy1 Racing Canada Mikaël Grenier 1:47.087 +17.065 34
36 GTD 23 United States Heart Of Racing Team United Kingdom Ian James 1:47.500 +17.478 384
37 GTD 88 United States Team Hardpoint EBM United States Rob Ferriol 1:48.563 +18.541 35
38 GTD 44 United States Magnus Racing with Archangel Motorsports United States John Potter 1:48.909 +18.887 36
Sources:[29][30][31][32][33]
  • 1 The No. 55 Mazda Motorsports entry initially qualified sixth for the DPi class. However, the team changed engines after qualifying. By IMSA rules, the entry was moved to the rear of the DPi field on the starting grid.
  • 2 The No. 52 PR1/Mathiasen Motorsports entry was moved to the back of the LMP2 field as per Article 40.1.4 of the Sporting regulations (Change of starting tires).[34]
  • 3 The No. 1 Paul Miller Racing initially qualified eighth for the GTD class. However, the team changed engines after qualifying. By IMSA rules, the entry was moved to the rear of the GTD field on the starting grid.
  • 4 The No. 75 SunEnergy1 Racing entry was moved to the back of the GTD field as per Article 43.5 of the Sporting regulations (Change of starting driver).[34]


Race

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Post-race

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Cameron and Pla advanced from sixth to fourth in the DPi Drivers' Championship. Magnussen and van der Zande dropped fourth to fifth.[35] As a result of winning the race, Merrill, Nunez, and Thomas advanced from fourth to second in the LMP2 Drivers' Championship.[35] With a total of 1090 points, Robinson's victory allowed him to increase his advantage over Bennett and Braun in the LMP3 Drivers' Standings.[35] By finishing third place, De Phillippi, Eng, and Spengler advanced from fifth to third in the GTLM Drivers' Championship. Edwards, Farfus, and Krohn jumped from third to second while MacNeil dropped from second to fifth.[35] With a total of 1296 points, Auberlen and Foley's victory allowed them to increase their advantage over De Angelis and Gunn in the GTD Drivers' Championship. Sellers and Snow advanced from fifth to third while Long dropped from third to fifth.[35] Cadillac, Chevrolet, and BMW continued to top their respective Manufacturers' Championships while WTR-Konica Minolta Acura, PR1/Mathiasen Motorsports, Riley Motorsports, Corvette Racing, and Turner Motorsport kept their respective advantages in the their respective of Teams' Championships with seven rounds remaining in the season.[35]

Race results

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Class winners are denoted in bold and ‡.

Pos Class No. Team Drivers Chassis Laps Time/Retired
Engine
1 DPi 55 Canada Mazda Motorsports United Kingdom Oliver Jarvis
United Kingdom Harry Tincknell
United States Jonathan Bomarito
Mazda RT24-P 200 6:00:04.522‡
Mazda MZ-2.0T 2.0L Turbo I4
2 DPi 60 United States Meyer Shank Racing with Curb-Agajanian United States Dane Cameron
France Olivier Pla
Acura ARX-05 200 +0.965
Acura AR35TT 3.5L Turbo V6
3 DPi 10 United States Konica Minolta Acura United States Ricky Taylor
Portugal Filipe Albuquerque
United States Alexander Rossi
Acura ARX-05 200 +9.392
Acura AR35TT 3.5L Turbo V6
4 DPi 31 United States Whelen Engineering Racing Brazil Felipe Nasr
United Kingdom Mike Conway
Brazil Pipo Derani
Cadillac DPi-V.R 200 +18.268
Cadillac 5.5L V8
5[a] DPi 48 United States Ally Cadillac Racing United States Jimmie Johnson
Japan Kamui Kobayashi
France Simon Pagenaud
Cadillac DPi-V.R 200 +53.216
Cadillac 5.5L V8
6

DNF

DPi 01 United States Cadillac Chip Ganassi Racing Netherlands Renger van der Zande
Denmark Kevin Magnussen
Cadillac DPi-V.R 199 Accident
Cadillac 5.5L V8
7 DPi 5 United States JDC-Mustang Sampling Racing France Tristan Vautier
France Loïc Duval
France Sébastien Bourdais
Cadillac DPi-V.R 199 +1 Lap
Cadillac 5.5L V8
8 LMP2 11 United States WIN Autosport United States Steven Thomas
United States Tristan Nunez
United States Thomas Merrill
Oreca 07 196 +4 Laps‡
Gibson 4.2L GK428 V8
9 LMP2 52 United States PR1/Mathiasen Motorsports United States Ben Keating
Denmark Mikkel Jensen
United States Scott Huffaker
Oreca 07 196 +4 Laps
Gibson GK428 4.2L V8
10 LMP2 22 United Kingdom United Autosports United States James McGuire
United Kingdom Wayne Boyd
United Kingdom Guy Smith
Oreca 07 193 +7 Laps
Gibson GK428 4.2L V8
11 GTLM 3 United States Corvette Racing Spain Antonio García
United States Jordan Taylor
Chevrolet Corvette C8.R 187 +13 Laps‡
Chevrolet 5.5L V8
12 GTLM 24 United States BMW Team RLL United States John Edwards
Finland Jesse Krohn
Brazil Augusto Farfus
BMW M8 GTE 187 +13 Laps
BMW S63 4.0L Turbo V8
13 GTLM 25 United States BMW Team RLL United States Connor De Phillippi
Austria Philipp Eng
Canada Bruno Spengler
BMW M8 GTE 187 +13 Laps
BMW S63 4.0L Turbo V8
14 GTLM 4 United States Corvette Racing United States Tommy Milner
United Kingdom Nick Tandy
Chevrolet Corvette C8.R 187 +13 Laps
Chevrolet 5.5L V8
15 LMP3 74 United States Riley Motorsports United States Gar Robinson
Brazil Felipe Fraga
Australia Scott Andrews
Ligier JS P320 186 +14 Laps‡
Nissan VK56DE 5.6L V8
16 LMP3 54 United States CORE Autosport United States Jon Bennett
United States George Kurtz
United States Colin Braun
Ligier JS P320 186 +14 Laps
Nissan VK56DE 5.6L V8
17 LMP3 91 United States Riley Motorsports United States Jim Cox
United States Dylan Murry
Netherlands Jeroen Bleekemolen
Ligier JS P320 186 +14 Laps
Nissan VK56DE 5.6L V8
18 LMP3 36 United States Andretti Autosport United States Jarett Andretti
United States Oliver Askew
United States Marco Andretti
Ligier JS P320 185 +15 Laps
Nissan VK56DE 5.6L V8
19 LMP3 2 United Kingdom United Autosports Germany Niklas Krütten
France Edouard Cauhaupé
United States Austin McCusker
Ligier JS P320 183 +17 Laps
Nissan VK56DE 5.6L V8
20 GTD 96 United States Turner Motorsport United States Bill Auberlen
United States Robby Foley
Australia Aidan Read
BMW M6 GT3 179 +21 Laps‡
BMW 4.4L Turbo V8
21 GTD 1 United States Paul Miller Racing United States Bryan Sellers
United States Madison Snow
United States Corey Lewis
Lamborghini Huracán GT3 Evo 179 +21 Laps
Lamborghini 5.2L V10
22 GTD 23 United States Heart of Racing Team Canada Roman De Angelis
United Kingdom Ross Gunn
United Kingdom Ian James
Aston Martin Vantage GT3 179 +21 Laps
Mercedes-Benz M177 4.0 L Turbo V8
23 GTD 42 United States NTE Sport United States Don Yount
United States Jaden Conwright
Finland Markus Palttala
Audi R8 LMS Evo 179 +21 Laps
Audi 5.2L V10
24 GTD 28 United States Alegra Motorsports Canada Daniel Morad
United States Michael de Quesada
United States Billy Johnson
Mercedes-AMG GT3 Evo 179 +21 Laps
Mercedes-AMG M159 6.2L V8
25 GTD 14 United States Vasser Sullivan Racing United States Aaron Telitz
United Kingdom Jack Hawksworth
United States Kyle Kirkwood
Lexus RC F GT3 179 +21 Laps
Lexus 5.0L V8
26 GTD 9 Canada Pfaff Motorsports Canada Zacharie Robichon
Belgium Laurens Vanthoor
Germany Lars Kern
Porsche 911 GT3 R 179 +21 Laps
Porsche 4.0L Flat-6
27 GTD 16 United States Wright Motorsports United States Patrick Long
United States Trent Hindman
Belgium Jan Heylen
Porsche 911 GT3 R 179 +21 Laps
Porsche 4.0L Flat-6
28 GTD 39 United States CarBahn Motorsports with Peregrine Racing United States Richard Heistand
United States Jeff Westphal
United States Tyler McQuarrie
Audi R8 LMS Evo 179 +21 Laps
Audi 5.2L V10
29 GTD 88 United States Team Hardpoint EBM United States Andrew Davis
United States Rob Ferriol
United Kingdom Katherine Legge
Porsche 911 GT3 R 179 +21 Laps
Porsche 4.0L Flat-6
30 GTD 12 United States Vasser Sullivan Racing United States Frankie Montecalvo
United States Zach Veach
United States Robert Megennis
Lexus RC F GT3 179 +21 Laps
Lexus 5.0L V8
31 LMP3 84 United Kingdom D3+ Transformers-Dawson Racing Norway Theodor Olsen
United States Dominic Cicero
United Kingdom Ben Devlin
Ligier JS P320 178 +22 Laps
Nissan VK56DE 5.6L V8
32 GTD 44 United States Magnus Racing with Archangel Motorsports United States John Potter
United States Andy Lally
United States Spencer Pumpelly
Acura NSX GT3 Evo 147 +53 Laps
Acura 3.5L Turbo V6
33

DNF

LMP2 8 United States Tower Motorsport by Starworks United States James French
Canada John Farano
France Gabriel Aubry
Oreca 07 146 Accident
Gibson GK428 4.2L V8
34

DNF

LMP2 18 United States Era Motorsport United States Dwight Merriman
United Kingdom Kyle Tilley
United Kingdom Ryan Dalziel
Oreca 07 85 Electrical
Gibson GK428 4.2L V8
35

DNF

GTD 19 Austria GRT Grasser Racing Team Canada Misha Goikhberg
France Franck Perera
Germany Tim Zimmermann
Lamborghini Huracán GT3 Evo 73 Accident
Lamborghini 5.2L V10
36

DNF

GTD 75 Australia SunEnergy1 Racing Germany Maro Engel
Australia Kenny Habul
Canada Mikaël Grenier
Mercedes-AMG GT3 Evo 62 Suspension
Mercedes-AMG M159 6.2L V8
37

DNF

LMP3 38 United States Performance Tech Motorsports United States Dan Goldburg
Guatemala Mateo Llarena
Sweden Rasmus Lindh
Ligier JS P320 31 Engine
Nissan VK56DE 5.6L V8
38

DNF

GTLM 79 United States WeatherTech Racing United States Cooper MacNeil
France Mathieu Jaminet
Australia Matt Campbell
Porsche 911 RSR-19 3 Fire
Porsche 4.2L Flat-6
Sources:[36][37]
  1. ^ The #48 Ally Cadillac Racing entry received a 35-second time penalty for failing to serve a drive-through penalty. This demoted the entry from fourth to fifth in class.

Standings after the race

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


References

[edit]
  1. ^ Pruett, Marshall (September 9, 2020). "IMSA reveals 2021 WeatherTech Championship calendar". racer.com. Retrieved October 8, 2023.
  2. ^ "2021 WeatherTech Championship Schedule Published". dailysportscar.com. September 9, 2020. Retrieved October 8, 2023.
  3. ^ Malsher-Lopez, David (September 9, 2020). "IMSA reveals 2021 schedule, LMP3 to join WeatherTech series". us.motorsport.com. Retrieved October 8, 2023.
  4. ^ "WeatherTech 240 At The Glen Set for Friday, July 2". imsa.com. April 7, 2021. Retrieved July 6, 2021.
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  11. ^ Pruett, Marshall (June 21, 2021). "IMSA reveals entry list for Six Hours of The Glen". racer.com. Retrieved July 7, 2021.
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  18. ^ "06_Fastest Lap By Driver_Practice 1.PDF" (PDF). results.imsa.com. June 25, 2021. Retrieved August 2, 2023.
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  22. ^ "03_Results_Practice 2.PDF" (PDF). results.imsa.com. June 26, 2021. Retrieved August 2, 2023.
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  27. ^ Ryan, Nate (June 26, 2021). "Wayne Taylor Racing Acura on pole in IMSA starting lineup for Six Hours of Watkins Glen". motorsports.nbcsports.com. Retrieved July 7, 2021.
  28. ^ Kish, Ryan (June 26, 2021). "WTR Acura claims Watkins Glen 6 Hours pole". racer.com. Retrieved November 11, 2023.
  29. ^ "03_Results_Qualifying - LMP2-DPi Position - Points.PDF" (PDF). results.imsa.com. June 26, 2021. Retrieved November 11, 2023.
  30. ^ "03_Results_Qualifying - LMP3 Position - Points.PDF" (PDF). results.imsa.com. June 26, 2021. Retrieved November 11, 2023.
  31. ^ "03_Results_Qualifying - GTD Points - GTLM - Position - Points.PDF" (PDF). results.imsa.com. June 26, 2021. Retrieved November 11, 2023.
  32. ^ "03_Results_Qualifying - GTD Position.PDF" (PDF). results.imsa.com. June 26, 2021. Retrieved November 11, 2023.
  33. ^ "00_Grid_Race_Official.PDF" (PDF). results.imsa.com. June 27, 2021. Retrieved August 26, 2023.
  34. ^ a b "2021-IMSA-SPORTING-REGULATIONS-and-SSR-IWSC-Blackline-082621-V1.pdf" (PDF). Archived (PDF) from the original on 2023-11-11. Retrieved November 11, 2023.
  35. ^ a b c d e f g h i j k l m n o p q r s "00_Championship Points - Official.pdf" (PDF). results.imsa.com. June 29, 2021. Retrieved August 26, 2023.
  36. ^ "03_Results_Race_Official.PDF" (PDF). June 2021. Retrieved July 8, 2021.
  37. ^ "2021 SAHLEN'S SIX HOURS OF THE GLEN". racing-reference.info. Retrieved August 26, 2023.
[edit]
IMSA SportsCar Championship
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2021 Detroit Sports Car Classic
2021 season Next race:
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