The 2021 MotoAmerica Superstock 1000 Championship season was the 7th season of the Stock 1000 class of motorcycle racing within the MotoAmerica series. Cameron Petersen entered the season as the defending champion,^[1] but vacated the class to race for the M4 ECSTAR Suzuki Team in the MotoAmerica Superbike class in 2021.^[2]

^[3]

Round	Circuit	Date	Race 1 Winner	Race 2 Winner
1	Road Atlanta	April 30-May 2	Michael Gilbert	Travis Wyman
2	Virginia	May 21–23	Jake Lewis	Corey Alexander
3	Road America	June 11–13	Jake Lewis	No event
4	The Ridge	June 25–27	Corey Alexander	Corey Alexander
5	Monterey	July 9–11	Travis Wyman	No event
6	Brainerd	July 30-August 1	Jake Lewis	No event
7	Pittsburgh	August 13–15	Jake Lewis	No event
8	New Jersey	September 10–12	Jake Lewis	No event
9	Alabama	September 17–19	Jake Lewis	No event

^{[4] [5] [6] [7] [8] [9] [10] [11] [12]}

2021 Entry List
Team	Constructor	No.	Rider	Rounds
369 Racing	BMW	74	Aaron Risinger	3, 5, 7
3R TEAM Racing	Yamaha	227	Rigo Salazar	2
4 Wheel Specialty	BMW	39	Volga Mermut	4
		820	Kevin Nanthrup	4
AGVSPORT MonkeyMoto	Yamaha	72	Steven Shakespeare	1–4, 6-9
		720	Mike Boyce	9
Altus Motorsports	Suzuki	85	Jake Lewis	All
Apex Assassins Redline Racing	Kawasaki	299	Jack Bakken	5
APRacing62	Kawasaki	629	Alan Phillips	9
Black Ice Racing	Yamaha	117	Lindsay McGregor
BobbleHeadMoto	Yamaha	503	Emerson Amaya	7
BPR Tuning	Yamaha	70	Bryce Prince	5
Bravo Zulu Racing	BMW	151	Gregory Ludt	1
Cha Cha Cha Motorsports	Kawasaki	153	Terry Heard	5
Chuckwalla Valley Raceway/Octane Lending	Kawasaki	55	Michael Gilbert	All
Clonnabis LLC Racing	Yamaha	73	Sebastiao Ferreira	5
Cool Breeze Racing	Kawasaki	134	Joe Brown
Crown Rally/Epic Wraps/Centaur Racing R1	Yamaha	970	Scott Masterton	6
Custom Speed and Fab Racing	Yamaha	111	Chad Tieszen
D.A.M. Fast Racing	Yamaha	865	Jonathan McCroskey	7
Davies Racing	Yamaha	707	Bobby Davies	9
Disrupt Racing	Yamaha	44	Mark Heckles	8
Double A Racing	Aprilia	312	Aaron Ascher	5
Edge Racing	BMW	960	Jason Waters	1, 2, 4–7, 9
	Kawasaki	990	Jesse Ruehling	1, 2, 5, 7, 9
ESBK Racing	Yamaha	175	Gary Virgin	1, 2, 9
Evans Racing	Suzuki	125	Brian Evans	5
EZ Racing	Kawasaki	59	Ivan Muñoz	4, 5, 9
	Yamaha	27	Edgar Zaragoza	1, 8
Farnsworth	Kawasaki	343	Wes Farnsworth	5
FAST Motosports	Kawasaki	179	Chris Bettis	1
Franklin Armory/Disrupt Racing	Kawasaki	86	Jason Farrell	3, 6
		14	Andrew Lee	All
Geoff May Racing/VisionWheel.com	Honda	99	Geoff May	1, 2, 3, 9
HONOS HVMC Racing	Kawasaki	23	Corey Alexander	All
Hunter Dunham Racing	Yamaha	19	Hunter Dunham	All
Impact Racing	Yamaha	98	Jeremy Simmons	1–7, 9
Innovative Motorsports	Kawasaki	124	Scott Briody	All
		518	Erasmo Pinilla	1–3, 5, 7, 9
		197	Teagg Hobbs	3
Jeremy Cook Racing	BMW	81	Jeremy Cook	1, 2, 4, 5, 8, 9
John Dunham Racing	Yamaha	816	John Dunham	2
Jones Honda	Honda	22	Ashton Yates	All
Josh Gerardot Racing	Kawasaki	84	Josh Gerardot	7
Lehmans Flooring	Kawasaki	139	Jesse Lehman	3, 6, 9
Limitless Racing	Kawasaki	48	Joseph Giannotto	1–3, 5-9
M4 ECSTAR Suzuki	Suzuki	79	Wyatt Farris	All
Mark Keown Racing	Yamaha	791	Mark Keown	1, 3, 9
Markbilt Racing	Yamaha	514	Mike Selpe	8
MESA37 Racing	Kawasaki	37	Stefano Mesa	2, 3, 6, 7-9
Michael Gilbert	Kawasaki	55	Michael Gilbert	All
Mountain Autosport	Kawasaki	258	Jason Johnson
N2/Escape Racing	Yamaha	298	Ned Brown	2, 7-9
Nielsen Racing	Kawasaki	473	Justin Miest	6
PDR Motorsports	Kawasaki	371	Armando Ferrer	2
Pegram Racing	Ducati	73	Larry Pegram	3
Pit Lane Moto	BMW	214	William Richardson	2
RealBeal Racing	Ducati	317	Scott Beal	3
Red Lobo Racing	Kawasaki	20	Manuel Segura	6, 9
Redline Moto	Kawasaki	824	Robert Loose Jr	2, 3
Redline-Moto Racing	Yamaha	43	Michael Butler	1–4, 6, 7, 9
		108	Zachary Butler	1–7, 9
Ridge Motorsports Park/DiBrino Racing	Kawasaki	62	Andy DiBrino	4, 5
S2G Racing	BMW	164	Cody Cochran	2, 4, 5
Sasquatch Racing	Yamaha	114	P.R. Stafki	6
Schmotter Motion Racing	Yamaha	26	Jake Schmotter	3, 6
Speed Monkey Racing	BMW	42	Jeremy Coffey	All
Tango Racing	Kawasaki	69	Mauricio H Hidalgo	1, 2, 4, 7
		71	Maximiliano Gerardo	1–5, 7
Team Germany by TSE Racing	BMW	119	Stefan Dolipski	3
Team Kok Racing	Kawasaki	228	Samuel Kok	3
Team Posse	Ducati	562	Jeremiah Walker	2
	Yamaha	979	Mike Applegate	9
		301	Dallas Sherman	3, 5, 6
Tecfil Racing Team	BMW	94	Danilo Lewis	1–4, 6-9
TheHomeProZ Racing Team	Kawasaki	78	Chad Lewin	5
Toby K Racing	Suzuki	75	Toby Khamsouk	9
Top Pro Motorsports	BMW	103	Alex Arango	9
Travis Wyman Racing	BMW	10	Travis Wyman	All
Tytlers Cycle	Ducati	90	Zachary Schumacher	3
Walt Sipp Racing	Yamaha	41	Walt Sipp	1
Walz-E Racing	Yamaha	278	Mitchell Walz	9
WAWA Racing	Kawasaki	161	Sahar Zvik	5
West Side Performance Racing	Kawasaki	192	Alejandro Nieves Jr	1

^[13]

Scoring system

Points are awarded to the top fifteen finishers. A rider has to finish the race to earn points.

Pos	Rider	Bike	RAT		VIR		RAM	RID		MON	BRA	PIT	NJE	ALA	Pts
			R1	R2	R1	R2	R1	R1	R2	R1	R1	R1	R1	R1
1	Jake Lewis	Suzuki	4	4	1	2	1	2	Ret	3	1	1	1	1	232
2	Travis Wyman	BMW	3	1	7	5	4	7	3	1	12	2	5	3	175
3	Corey Alexander	Kawasaki	6	13	2	1	3	1	1	2	5	9	Ret	5	173
4	Michael Gilbert	Kawasaki	1	6	4	3	7	3	5	6	2	4	9	2	170
5	Ashton Yates	Honda	2	3	9	7	8	6	2	8	4	7	2	4	153
6	Andrew Lee	Kawasaki	8	7	5	8	6	5	7	4	6	8	6	Ret	107
7	Geoff May	Honda	7	2	3	4	2							DNS	78
8	Danilo Lewis	BMW	5	5	DNS	6	Ret	10	4		Ret	5	4	21	75
9	Wyatt Farris	Suzuki	13	10	8	11	10	9	8	10	7	DNS	10	16	64
10	Maximiliano Gerardo	Kawasaki	11	12	6	9	11	8	11	9		10			57
11	Hunter Dunham	Yamaha	9	11	Ret	10	14	DNS	10	12	9	11	11	Ret	47
12	Stefano Mesa	Kawasaki			DNS	DNS	5				3	6	8	DSQ	45
13	Joseph Giannotto	Kawasaki	12	9	12	12	13			16	17	12	13	7	38
14	Andy DiBrino	Kawasaki						4	6	7					32
15	Jason Waters	BMW	10	8	Ret	Ret		12	12	14	11	DNS		DNS	29
16	Jeremy Coffey	BMW	14	Ret	Ret	15	Ret	15	9	11	13	DNS	12	DNS	23
17	Mike Selpe	Yamaha											3		16
18	Hayden Gillim	Suzuki										3			16
19	Bryce Prince	Yamaha								5					11
20	Danny Eslick	Suzuki												6	10
21	Jake Schmotter	Yamaha					12				10				10
22	Mark Heckles	Yamaha											7		9
23	Armando Ferrer	Kawasaki			10	13									9
24	Alan Phillips	Kawasaki												8	8
25	Jason Farrell	Kawasaki					Ret				8				8
26	Zachary Butler	Yamaha	18	19	18	Ret	18	17	17	19	15	15		10	8
27	Volga Mermut	BMW						11	13						8
28	Bobby Davies	Yamaha												9	7
29	Larry Pegram	Ducati					9								7
30	Rigo Salazar	Yamaha			11	14									7
31	Jeremy Cook	BMW	19	15	13	24		16	16	27			17	14	6
32	Jesse Ruehling	Kawasaki	17	14	15	16				22		13		17	6
33	Ivan Muñoz	Kawasaki						13	14	21				DNS	5
34	Alex Arango	BMW												11	5
35	Steven Shakespeare	Yamaha	DNS	17	Ret	19	20	14	15		20	17	15	Ret	4
36	Michael Butler	Yamaha	22	22	17	22	21	19	23		19	21		12	4
37	Jesse Lehman	Kawasaki					19				Ret			13	3
38	Sebastiao Ferreira	Yamaha								13					3
39	Jeremy Simmons	Yamaha	15	16	16	17	23	Ret	20	20	16	14		18	3
40	Ned Brown	Yamaha			Ret	21						16	14	DNS	2
41	Justin Miest	Kawasaki									14				2
42	John Dunham	Yamaha			14	18									2
43	Toby Khamsouk	Suzuki												15	1
44	Chad Lewin	Kawasaki								15					1
45	Zachary Schumacher	Ducati					15								1
46	Mike Boyce	Yamaha												DNS	0
47	Mike Applegate	Yamaha												DNS	0
48	Scott Briody	Kawasaki	24	DSQ	19	23	25	Ret	19	Ret	21	18	16	Ret	0
49	Manuel Segura	Kawasaki									DNS			Ret	0
50	Gary Virgin	Suzuki	21	DNS	23	27								DNS	0
51	Edgar Zaragoza	Yamaha	DNS	DNS									DNS		0
52	Emerson Amaya	Yamaha										DSQ			0
53	Jonathan McCroskey	Yamaha										Ret			0
54	Aaron Risinger	BMW					16			17		Ret			0
55	Wes Farnsworth	Kawasaki								Ret					0
56	Jack Bakken	Kawasaki								Ret					0
57	Sahar Zvik	Kawasaki													0
58	Walt Sipp	Yamaha	16	18											0
59	Chris Bettis	Kawasaki	DNS	DNS											0
60	Gregory Ludt	BMW	DNS												0
61	Teagg Hobbs	Kawasaki					17								0
62	P.R. Stafki	Yamaha									18				0
63	George Myshlyayev	Kawasaki								18					0
64	Steven Campbell	Kawasaki						Ret	18						0
65	Erasmo Pinilla	Kawasaki	23	23	24	29	26			29		19		19	0
66	Mark Keown	Yamaha	25	24			27							20	0
67	Josh Gerardot	Kawasaki										20			0
68	Jeremiah Walker	Ducati			20	20									0
69	Alejandro Nieves Jr	Kawasaki	26	20											0
70	Kevin Nanthrup	BMW						18	21						0
71	Mitchell Walz	Yamaha												22	0
72	Mauricio H Hidalgo	Kawasaki	20	21	Ret			Ret	24			22			0
73	Dallas Sherman	Yamaha					30			23	22				0
74	Scott Beal	Ducati					22								0
75	Scott Masterton	Yamaha													0
76	Terry Heard	Kawasaki								24					0
77	Robert Loose Jr	Kawasaki			21	26	24								0
78	Brian Evans	Suzuki								25					0
79	Aaron Ascher	Aprilia								26					0
80	Cody Cochran	BMW				25		20	22	28					0
81	Stefan Dolipski	BMW					28								0
82	William Richardson	BMW			22	28									0
83	Samuel Kok	Kawasaki					29								0
Pos	Rider	Bike	RAT		VIR		RAM	RID		MON	BRA	PIT	NJE	ALA	Pts