2021 Masters Endurance Legends USA

The 2021 Masters Endurance Legends USA was the third season of the Masters Endurance Legends USA. It began at Sebring International Raceway 12 March and ended at Sonoma Raceway on 17 October.

Cars and Drivers

Chassis	Engine	No.	Driver	Class	Rounds	Notes
Proto
Ligier JS P3	Nissan VK50VE 5.0 L Turbo V8	06	Aristotle Balogh	P2	1	Ex-Jr III Racing
Coyote Corvette DP	Chevrolet 5.0 L V8	09	Eric Curran	P2	5–6	Visit Florida livery
		09	William Hubbell	P2	5–6
		90	Dante Tornello	P4	1
			Robert Tornello	P4	1
			Robert Tornello	P2	3–4
			Dante Tornello	P2	3, 5–6
		230	William Hubbell	P2	3
		230	Eric Curran	P2	3 (R1)
Audi R8	Audi 3.6 L V8	2	Travis Engen	P4	1, 3–6
Audi R8	Audi 3.6 L V8	61	Larry Connor	P4	4
Riley & Scott Mk III	Chevrolet 5.0 L V8	3	Chris Liebenberg	P4	6	Ex-Matthews-Colucci Racing, Roush Racing livery
Peugeot 908 HDi FAP	Peugeot HDi 5.5 L Turbo V12	7	David Porter	P4	1, 3–4
Oreca 03	Nissan VK45DE 4.5 L V8	8	Tommy Byrne	P3	3
			James Hagan	P3	3
			Gregory Thornton	P3	4
Élan DP02	Mazda MZR-R 2.3 L Turbo I4	68	Gregory Thornton	P2	1
Riley Mk XI	Pontiac 4.6 L V8	10	John McKenna	P2	2, 4–6	ex-SunTrust Racing
			Ethan Shippert		4
			Ross Thompson		5–6
Chevrolet Dallara DP	Chevrolet 5.0 L V8	10	Kurt Schultz	P4	3	Ex-Wayne Taylor Racing, Velocity Worldwide livery
HPD ARX-03b	Honda 2.8 L Turbo V6	11	Robert Blain	P4	1	Ex-Extreme Speed Motorsports
			Jamie Constable	P4	1
			Robert Blain	P3	3–4
		22	Jamie Constable	P3	1
			Roberto Moreno		1 (R1)
			Robert Blain		1 (R2)
Riley Mk XI	Pontiac 5.0 L V8	15	Spencer Trenery	P2	2, 5–6	ex-SunTrust Racing
Riley Mk XI	Pontiac LS6 3.5 L V8	23	Ernie Spada	P2	2, 5–6	Ruby Tuesday Racing Team livery
Riley Mk XI	Pontiac LS6 3.5 L V8	23	Wade Carter	P2	5	Ruby Tuesday Racing Team livery
Crawford DP08	Porsche 3.6 L Flat-6	23	Wally Owens	P2	4	Ruby Tuesday Racing Team livery
Crawford DP08	Porsche 3.6 L Flat-6	123	Wally Owens	P2	3, 5–6	Ruby Tuesday Racing Team livery
Morgan LMP2	Nissan VK45DE 5.0 L V8	24	Stephen Romak	P3	2, 5
Ligier JS P3	Nissan VK50VE 5.0 L Turbo V8	24	Francesco Melandri	P1	3
		42	Nigel Greensall	P2	1
		42	Francesco Melandri	P2	1
Oreca FLM09	Chevrolet LS3 6.2 L V8	25	Rick Carlino	P3	3
			Dave Handy	P3	3
			Rick Carlino	P2	4
			Dave Handy	P2	4
Spice SE87	Ford Cosworth DFL 4.5 L V8	29	Cal Meeker	PHI	2, 4, 7
Lola B12/80	Judd 5.0 L V8	30	Craig Bennett	P4	4	Ex-Status Grand Prix
Coyote Corvette DP	Chevrolet 5.5 L V8	33	John Reisman	P2	3	Ex-Action Express Racing, Whelen livery
Oreca 03	Judd 3.6 L V8	34	Danny Baker	P3	4–6	Ex-Race Performance
Oreca 03	Judd 3.6 L V8	40	Danny Baker	P3	3	Ex-Race Performance
Oreca 03	Nissan VK45DE 4.5 L V8	40	Keith Freiser	P3	4, 6	Ex-Boutsen Ginion Racing
Jaguar XJR-5	Jaguar 6.0 L V12	44	Paet Hidalgo	PHI	7
Jaguar XJR-5	Jaguar 6.0 L V12	44	Bruce Marquand	PHI	7
Ginetta G57 P2	Chevrolet LS3 6.2 L V8	46	Charles Persico	P1	7
Oreca 03	Nissan VK45DE 4.5 L V8	48	Joel Quadracci	P3	4	Ex-Murphy Prototypes
Oreca FLM09	Chevrolet LS3 6.2 L V8	54	Dominick Incantalupo	P3	3	Ex-CORE Autosport
Picchio MB1	BMW 3.0 L I6	57	Tim Barber	P3	6	Martini Racing livery
			Art Hebert
			Andrew Wait
Autoexe LMP-02	Mazda R26B 2.6 L 4-Rotor	64	Charles Nearburg	P3	2
Ginetta-Juno P3-15	Nissan VK50 5.0 L V8	67	John Cahalin	P1	7
		69	Marcus Jewell	P1	7
		69	Ron Maydon	P1	7
Riley & Scott Mk III	Chevrolet 6.0 L V8	88	Wade Carter	P4	6
Riley & Scott Mk XI	Chevrolet 4.6 L V8	95	Octavio Rincon	P2	7
Norma M30	Nissan VK50VE 5.0 L Turbo V8	100	Joe Robillard	P2	1	Ex-IPC
Panoz LMP-1 Roadster-S	Élan 6L8 6.0 L V8	112	George Krass	P4	6
Oreca FLM09	Chevrolet LS3 6.2 L V8	154	Chris Ronson, Jr	P3	3
Oreca FLM09	Chevrolet LS3 6.2 L V8	154	Chris Ronson, Sr	P3	3
GT1
Chevrolet Corvette C7.R	Chevrolet LT5.5 5.5 L V8	3	Tom Mueller	GT1-3	7
Chevrolet Corvette C6.R	Chevrolet 7.0 L V8	4	Charles Nearburg	GT1-3	5
Porsche 997 GT3 Cup	Porsche 4.0 L Flat-6	145	David Alvarado	GT1-3	2	Flying Lizard Motorsports livery
GT2
Porsche 996 GT3 RSR	Porsche 3.8 L Flat-6	45	Loren Beggs	GT2-2	2, 4, 6–7	Flying Lizard Motorsports livery
BMW M3 GT2	BMW 4.0 L V8	55	Bill Auberlen	GT2-3	6	Ex-BMW Motorsport
		55	Travis Okulski	GT2-3	6	Ex-BMW Motorsport
		56	Connor De Phillippi	GT2-3	5–6
		56	Thomas Plucinsky	GT2-3	5–6
Porsche 911 GT2	Porsche 3.6 L Turbo Flat-6	60	Carlos de Quesada	GT2-2	1
Porsche 996 GT3 RSR	Porsche 3.8 L Flat-6	901	Carlos de Quesada	GT2-2	6	Ex-White Lightning Racing
Porsche 911 GT3-RS	Porsche 3.6 L Flat-6	81	Douglas Baron	GT2-2	5–7
Ferrari 458 GT2	Ferrari 4.5 L V8	126	Tony Ferraro	GT2-3	6	Ex-Extreme Speed Motorsports
BMW M3 E46	BMW 3.2 L I6	222	John Edwards	GT2-2	6
GT3
BMW M3 E36	BMW 3.4 L I6	1	Scooter Gabel	GT3-1	1, 3, 6	Ex-Prototype Technology Group
BMW M3 E36	BMW 3.4 L I6	1	Carlos de Quesada	GT3-1	1 (R2)	Ex-Prototype Technology Group
Audi R8 LMS	Audi 5.2 L V10	12	David Roberts	GT3-3	3–6
			Mike Skeen		3
			George Calfo		6
Porsche 997 GT3 R	Porsche 4.0 L Flat-6	14	Alexander Marmureanu	GT3-3	7
Porsche 996 GT3 RSR	Porsche 3.6 L Flat-6	19	Theo Ruijgh	GT3-1	1
Porsche 993 RSR	Porsche 3.8 L Turbo Flat-6	21	Michael Sweeney	GT3-1	5–6
Porsche 993 RSR	Porsche 3.8 L Turbo Flat-6	21	Nelson Calle	GT3-1	6
Audi R8 LMS	Audi 5.5 L V10	26	Bruce Leeson	GT3-2	2
Audi R8 LMS	Audi 5.5 L V10	26	Bruce Leeson	GT3-3	3–4, 7
Porsche 911	Porsche 3.0 L Flat-6	33	Pete Rogal	GT3-1	7
Porsche 996 GT3 Cup	Porsche 3.6 L Flat-6	43	Andrew Fox	GT3-1	6
Ford GT GT3	Ford 5.0 L V8	44	Michael Lange	GT3-2	3
Porsche 997 RSR	Porsche 3.6 L Flat-6	65	Don Ondrejcak	GT3-2	3–4	Ex-TRG
Porsche 996 GT3 R	Porsche 3.6 L Flat-6	67	Matt Johnson	GT3-1	6
Porsche 997 GT3 R	Porsche 4.0 L Flat-6	85	Robert Dalrymple	GT3-3	6
Porsche 911 GT3-RS	Porsche 3.6 L Flat-6	93	Christopher Frank	GT3-1	7
Dodge Viper	Viper 8.4 L V10	111	Edward Hugo	GT3-2	2, 7
Porsche 911 GT3 R	Porsche 4.0 L Flat-6	134	Robert van Zelst	GT3-3	4
Porsche 997 GT3 Cup	Porsche 4.0 L Flat-6	145	David Alvarado	GT3-3	5–6	Flying Lizard Motorsports livery
Porsche 911 GT3 R	Porsche 4.0 L Flat-6	911	Douglas Baron	GT3-3	2, 4
Invitation
Radical SR3	Suzuki RPE 1.2 L I4	17	Philip Lewis		3
Source:^[1]^[2]^[3]^[4]^[5]^[6]^[7]

Icon	Class
PHI	Proto Historic Class
P1	Proto 1 Class
P2	Proto 2 Class
P3	Proto 3 Class
P4	Proto 4 Class
GT1-1	GT1-1 Class
GT1-2	GT1-2 Class
GT1-3	GT1-3 Class
GT2-1	GT2-1 Class
GT2-2	GT2-2 Class
GT2-3	GT2-3 Class
GT3-1	GT3-1 Class
GT3-2	GT3-2 Class
GT3-3	GT3-3 Class

Race results

Bold indicates overall winner.

Round		Race	Circuit	Date	Pole Position	Fastest Lap	Proto Winners	GT Winners
1	R1	Sebring Sportscar Week	Sebring International Raceway	13 March	David Porter	David Porter	P2: Joe Robillard P3: Jamie Constable P3: Roberto Moreno P4: David Porter	GT2-2: Carlos de Quesada GT3-1: Scooter Gabel
1	R2	Sebring Sportscar Week	Sebring International Raceway	13 March		David Porter	P2: Joe Robillard P3: Robert Blain P3: Jamie Constable P4: David Porter	GT2-2: No starters GT3-1: Scooter Gabel GT3-1: Carlos de Quesada
2	R3	Masters Speed Festival	Laguna Seca Raceway	16 May	Spencer Trenery	Spencer Trenery	PHI: Cal Meeker P2: Spencer Trenery P3: Stephen Romak	GT1-3: No finishers GT2-2: Loren Beggs GT3-2: Edward Hugo GT3-3: Douglas Baron
2	R4	Masters Speed Festival	Laguna Seca Raceway	16 May		Spencer Trenery	PHI: Cal Meeker P2: Spencer Trenery P3: No starters	GT1-3: David Alvarado GT2-2: Loren Beggs GT3-2: Edward Hugo GT3-3: Douglas Baron
3	R5	Masters & HSR Race Weekend	Watkins Glen International	10 July	David Porter	David Porter	P1: Francesco Melandri P2: John Reisman P3: Tommy Byrne P3: James Hagan P4: David Porter	GT3-1: Scooter Gabel GT3-2: Michael Lange GT3-3: David Roberts GT3-3: Mike Skeen
3	R6	Masters & HSR Race Weekend	Watkins Glen International	11 July	David Porter	David Porter	P1: Francesco Melandri P2: John Reisman P3: Tommy Byrne P3: James Hagan P4: David Porter	GT3-1: Scooter Gabel GT3-2: Michael Lange GT3-3: David Roberts GT3-3: Mike Skeen
4	R7	The WeatherTech International Challenge	Road America	17 July	David Porter	Craig Bennett	PHI: No finishers P2: John McKenna P2: Ed Shippert P3: Joel Quadracci P4: Travis Engen	GT2-2: Loren Beggs GT3-2: No finishers GT3-3: Robert van Zelst
4	R8	The WeatherTech International Challenge	Road America	18 July	Craig Bennett	David Porter	PHI: Cal Meeker P2: Robert Tornello P3: Joel Quadracci P4: David Porter	GT2-2: Loren Beggs GT3-2: No starters GT3-3: Robert van Zelst
5	R9	Monterey Pre-Reunion	Laguna Seca Raceway	7 August	Stephen Romak	Spencer Trenery	P2: Eric Curran P2: William Hubbell P3: Stephen Romak P4: Travis Engen	GT1-3: Charles Nearburg GT2-2: Douglas Baron GT2-3: Connor De Phillippi GT2-3: Thomas Plucinsky GT3-1: Michael Sweeney GT3-3: David Roberts
5	R10	Monterey Pre-Reunion	Laguna Seca Raceway	8 August		Stephen Romak	P2: Spencer Trenery P3: Stephen Romak P4: Travis Engen	GT1-3: No starters GT2-2: Douglas Baron GT2-3: Connor De Phillippi GT2-3: Thomas Plucinsky GT3-1: Michael Sweeney GT3-3: David Alvardo
6	R11	Rolex Monterey Motorsports Reunion	Laguna Seca Raceway	15 August	Spencer Trenery	Eric Curran William Hubbell	P2: Spencer Trenery P3: Keith Freiser P4: Wade Carter	GT2-2: John Edwards GT2-3: Bill Auberlen GT2-3: Travis Okulski GT3-1: Scooter Gabel GT3-3: Robert Dalrymple
6	R12	Rolex Monterey Motorsports Reunion	Laguna Seca Raceway	15 August		Spencer Trenery	P2: Spencer Trenery P3: Danny Baker P4: Wade Carter	GT2-2: John Edwards GT2-3: Connor De Phillippi GT2-3: Thomas Plucinsky GT3-1: Scooter Gabel GT3-3: George Calfo GT3-3: David Roberts
7	R13	Yokohama Drivers' Cup USA	Sonoma Raceway	15–17 October	Cal Meeker	Cal Meeker	PHI: Cal Meeker P1: Charles Persico P2: Octavio Rincon	GT1-3: Tom Mueller GT2-2: Douglas Baron GT3-1: Christopher Frank GT3-2: Edward Hugo GT3-3: Bruce Leeson
7	R14	Yokohama Drivers' Cup USA	Sonoma Raceway	15–17 October		Cal Meeker	PHI: No finishers P1: Charles Persico P2: Octavio Rincon	GT1-3: Tom Mueller GT2-2: Douglas Baron GT3-1: Christopher Frank GT3-2: Edward Hugo GT3-3: Alexander Marmureanu
Source:^[8]

Championships standings

^[9]

Starters	Position	1st	2nd	3rd	4th	5th	6th	Fastest Lap
3+	Points	9	6	4	3	2	1	1
2	Points	6	4					1
1	Points	4						1

Pos.	Driver	No	Chassis	SEB1		LGA1		WGL		ELK		LGA2		LGA3		SON		Points
Proto Historic Class
1	Cal Meeker	29	Spice SE87			3	2			Ret	8					5	Ret	22
	Paet Hidalgo Bruce Marquand	44	Jaguar XJR-5													DNS	DNS	0
Proto 1 Class
1	Franceso Melandri	24	Ligier JS P3					7	6									10
2	Charles Persico	46	Ginetta G57 P2													1	1	17
3	Marcus Jewell Ron Maydon	69	Ginetta-Juno P3-15													2	9	10
4	John Cahalin	67	Ginetta-Juno P3-15													4	DNS	4
Proto 2 Class
1	Spencer Trenery	15	Riley Mk XI			1	1					Ret	2	1	1			50
2	William Hubbell	230	Coyote Corvette DP					9	7									36
2	William Hubbell	09	Coyote Corvette DP									4	4	4	4			36
3	Eric Curran	230	Coyote Corvette DP					9										32
3	Eric Curran	09	Coyote Corvette DP									4	4	4	4			32
4	Robert Tornello	90	Coyote Corvette DP					5	5	11	9							26
5	John McKenna	10	Riley Mk XI			8	3			8	DNS	DNS	DNS	6	DNS			24
6	Dante Tornello	90	Coyote Corvette DP					8	5			14	DNS	12	5			22
7	John Reisman	33	Coyote Corvette DP					2	2									20
8	Joe Robillard	100	Norma M30	3	3													18
9	Ernie Spada	23	Riley Mk XI			6	7					10	DNS	DNS	DNS			16
10	Ethan Shippert	10	Riley Mk XI							8	DNS	DNS	DNS	6	DNS			14
11	Nigel Greensall Franceso Melandri	42	Ligier JS P3	4	4													14
12	Wally Owens	123	Crawford DP08					DNS	DNS			13	11	21	16			13
12	Wally Owens	23	Crawford DP08							DNS	DNS							13
13	Octavio Rincon	95	Riley & Scott Mk XI													7	7	10
14	Wade Carter	23	Riley Mk XI									10	DNS					6
15	Aristotle Balogh	06	Ligier JS P3	5	DNS													4
16	Gregory Thornton	68	Élan DP02	6	Ret													3
17	Kurt Schultz	10	Coyote Corvette DP					16	Ret									3
	Rick Carlino Dave Handy	25	Oreca FLM09							Ret	DNS							0
Proto 3 Class
1	Danny Baker	40	Oreca 03					6	8									43
1	Danny Baker	34	Oreca 03							6	5	3	3	3	2			43
2	Keith Freiser	20	Oreca 03							3	6			2	6			26
3	Stephen Romak	24	Morgan LMP2			2	DNS					1	1					20
4	Joel Quadracci	48	Oreca 03							1	3							20
5	Tommy Byrne James Hagan	8	Oreca 03					3	3									20
6	Jamie Constable	22	HPD ARX-03b	10	5													10
7	Chris Ronson, Jr Chris Ronson, Sr	154	Oreca FLM09					4	9									10
8	Tim Barber Art Herbert Tim Barber	57	Picchio MB1											17	12			8
9	Robert Blain	22	HPD ARX-03b		5													7
9	Robert Blain	11	HPD ARX-03b					Ret	DNS	12	Ret							7
10	Dominick Incantalupo	54	Oreca FLM09					10	10									6
11	Roberto Moreno	22	HPD ARX-03b	10														5
12	Gregory Thornton	8	Oreca 03							5	Ret							4
	Rick Carlino Dave Handy	25	Oreca FLM09					Ret	Ret									0
	Charles Nearburg	64	Autoexe LMP-02			Ret	DNS											0
Proto 4 Class
1	Travis Engen	2	Audi R8	2	2			5	4	2	4	2	5	7	7			56
2	David Porter	7	Peugeot 908 HDi FAP	1	1			1	1	4	1							48
3	Wade Carter	88	Riley & Scott Mk III											5	3			17
4	Craig Bennett	33	Lola B12/80							Ret	2							7
5	George Krass	112	Panoz LMP-1 Roadster-S											DNS	12			4
	Dante Tornello Robert Tornello	90	Coyote Corvette DP	Ret	DNS													0
	Robert Blain Jamie Constable	11	HPD ARX-03b	DNS	DNS													0
	Larry Connor	61	Audi R8							DNS	DNS							0
	Chris Liebenberg	3	Riley & Scott Mk III											DNS	DNS			0
GT1-3 Class
1	Tom Mueller	3	Chevrolet Corvette C7.R													3	3	10
2	David Alvardo	145	Porsche 997 GT3 Cup			Ret	6											6
3	Charles Nearburg	4	Chevrolet Corvette C6.R									5	DNS					5
GT2-2 Class
1	Loren Beggs	45	Porsche 911 GT3-RS			4	4			9	11			11	10	DNS	DNS	32
2	Douglas Baron	81	Porsche 911 GT3-RS									8	9	15	20	6	5	27
3	John Edwards	222	BMW M3 E46											8	9			20
4	Carlos de Quesada	60	Porsche 911 GT2	8	DNS													9
4	Carlos de Quesada	901	Porsche 996 GT3 RSR											14	DNS			9
GT2-3 Class
1	Connor De Phillippi Thomas Plucinsky	56	BMW M3 GT2									6	6	10	8			27
2	Tony Ferraro	126	Ferrari 458 GT2											18	13			10
3	Bill Auberlen Travis Okulski	55	BMW M3 GT2											9	Ret			9
GT3-1 Class
1	Scooter Gabel	1	BMW M3 E36	7	6			11	12					13	14			40
2	Michael Sweeney	21	Porsche 993 RSR									6	10	21	17			20
3	Christopher Frank	93	Porsche 911 GT3-RS													6	8	10
4	Bruce Johnson	67	Porsche 996 GT3 R											22	18			10
5	Nelson Calle	21	Porsche 993 RSR											21	17			10
6	Andrew Fox	43	Porsche 996 GT3 Cup											24	19			6
7	Carlos de Quesada	1	BMW M3 E36		6													5
8	Theo Ruijgh	19	Porsche 996 GT3 RSR	9	DNS													4
GT3-2 Class
1	Edward Hugo	111	Dodge Viper			7	8									7	8	21
2	Michael Lange	44	Ford GT GT3					15	15									14
3	Don Ondrejcak	65	Porsche 997 RSR					17	16	Ret	DNS							9
4	Bruce Leeson	26	Audi R8 LMS			Ret	DNS											1
GT3-3 Class
1	David Roberts	12	Audi R8 LMS					12	11	Ret	DNS	7	8	20	15			36
2	Bruce Leeson	26	Audi R8 LMS					14	14	10	7					DNS	4	25
3	David Alvarado	145	Porsche 997 GT3 Cup									9	7	19	21			21
4	Robert Van Zelst	134	Porsche 911 GT3 R							7	10							15
5	Mike Seen	12	Audi R8 LMS					12	11									14
6	George Calfo	12	Audi R8 LMS											20	15			11
7	Douglas Baron	911	Porsche 911 GT3 R			5	5			Ret	DNS							10
8	Robert Dalrymple	85	Porsche 997 GT3 R											16	DNS			10
Invitation class drivers ineligible for points
	Philip Lewis	17	Radical SR3					13	13
Pos.	Driver	No	Chassis	SEB1		LGA1		WGL		ELK		LGA2		LGA3		SON		Points

Key
Colour	Result
Gold	Winner
Silver	Second place
Bronze	Third place
Green	Other points position
Blue	Other classified position
Blue	Not classified, finished (NC)
Purple	Not classified, retired (Ret)
Red	Did not qualify (DNQ)
Red	Did not pre-qualify (DNPQ)
Black	Disqualified (DSQ)
White	Did not start (DNS)
White	Race cancelled (C)
Blank	Did not practice (DNP)
	Excluded (EX)
	Did not arrive (DNA)
	Withdrawn (WD)
	Did not enter (cell empty)
Text formatting	Meaning
Bold	Pole position
Italics	Fastest lap

References

^ "Entry List Sebring SportCar Week 2021" (PDF). Masters Historic Racing.
^ "Entry List Masters Speed Festival" (PDF). Masters Historic Racing.
^ "Entry List Masters & HSR Race Weekend" (PDF). Masters Historic Racing.
^ "Entry List Weathertech International Challenge" (PDF). Masters Historic Racing.
^ "Entry List Monterey Pre-Reunion" (PDF). Masters Historic Racing.
^ "Entry List Rolex Monterey Motorsports Reunion" (PDF). Masters Historic Racing.
^ "Entry List Yokohama Drivers Cup USA" (PDF). Masters Historic Racing.
^ "2021 Provisional Schedule" (PDF). Masters Historic Racing.
^ "Masters Endurance Legends USA TECHNICAL AND SPORTING GUIDELINES" (PDF). Masters Historic Racing.

External links

Official website

[1] "Entry List Sebring SportCar Week 2021" (PDF). Masters Historic Racing.

[2] "Entry List Masters Speed Festival" (PDF). Masters Historic Racing.

[3] "Entry List Masters & HSR Race Weekend" (PDF). Masters Historic Racing.

[4] "Entry List Weathertech International Challenge" (PDF). Masters Historic Racing.

[5] "Entry List Monterey Pre-Reunion" (PDF). Masters Historic Racing.

[6] "Entry List Rolex Monterey Motorsports Reunion" (PDF). Masters Historic Racing.

[7] "Entry List Yokohama Drivers Cup USA" (PDF). Masters Historic Racing.

[8] "2021 Provisional Schedule" (PDF). Masters Historic Racing.

[9] "Masters Endurance Legends USA TECHNICAL AND SPORTING GUIDELINES" (PDF). Masters Historic Racing.

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