The AMA Supercross Championship, a series run by the AMA (American Motorcyclist Association), is America's top supercross racing series. The season consists of 17 rounds, with each class running a 20-lap race. Races are held on specially prepared man-made courses in baseball fields or stadiums. The two classes are Supercross (4-stroke 450cc machines, or 2-stroke 250cc machines) and Supercross Lites (4-stroke 250cc machines, or 2-stroke 125cc machines). The machines are production motocross racers featuring special tuning. While the popular series is held primarily in the U.S., it attracts top riders from around the world and draws crowds numbering in the tens of thousands.

Monster Energy Kawasaki

Ryan Villopoto #2
[Supercross]

Date of Birth: 13 August, 1988
Nationality: American

Career Highlights
2010	4^th AMA Supercross
2009	6^th AMA Supercross 24^th AMA Motocross
2008	2^nd AMA Supercross Lites East 1^st AMA Motocross Lites
2007	1^st AMA Supercross Lites West 1^st AMA Motocross Lites
2006	3^rd AMA Supercross Lites West 1^st AMA Motocross Lites
2005	AMA Horizon Award Winner

Jake Weimer #32
[Supercross]

Date of Birth: 17 December, 1987
Nationality: American

Career Highlights
2010	1^st AMA Supercross Lites West 11^th AMA Motocross Lites
2009	2^nd AMA Supercross Lites West 4^th AMA Motocross Lites
2008	15^th AMA Supercross Lites West 5^th AMA Motocross Lites
2007	4^th AMA Supercross Lites West 6^th AMA Motocross Lites
2006	13^th AMA Supercross Lites West 31^th AMA Motocross Lites

Monster Energy Pro Circuit Kawasaki

Joshua Hansen #100
[Supercross Lites West]

Date of Birth: 16 February, 1984
Nationality: American

Career Highlights
2010	6^th AMA Supercross Lites West

Broc Tickle #20
[Supercross Lites West]

Date of Birth: 21 November, 1989
Nationality: American

Career Highlights
2010	4^th AMA Supercross Lites West 7^th AMA Motocross Lites
2009	12^th AMA Supercross Lites East 7^th AMA Motocross Lites
2008	14^th AMA Motocross Lites
2007	15^th AMA Supercross Lites East 10^th AMA Motocross Lites

Tyla Rattray #28
[Supercross Lites West]

Date of Birth: 12 November, 1985
Nationality: South African

Career Highlights
2010	2^nd AMA Motocross Lites
2009	9^th AMA Motocross Lites
2008	1^st Motocross World Championship MX2
2007	4^th Motocross World Championship MX2
2006	4^th Motocross World Championship MX2
2005	15^th Motocross World Championship MX2
2004	2^rd Motocross World Championship MX2

Dean Wilson #15
[Supercross Lites East]

Date of Birth: 28 December, 1991
Nationality: British

Career Highlights
2010	6^th AMA Supercross Lites East 4^th AMA Motocross Lites
2009	AMA Horizon Award Winner

Blake Baggett #57
[Supercross Lites East]

Date of Birth: 3 January, 1992
Nationality: American

Career Highlights
2010	5^th AMA Supercross Lites East
2009	23^rd AMA Motocross Lites

KX450F

Click here for more details about the production KX450F

KX450F

Kawasaki's pinnacle 4-stroke motocrosser, the KX450F was designed to "put race victories within the grasp of expert riders." The fuel-injected, liquid-cooled 4-stroke DOHC 4-valve engine offers seamless power from low- to high-rpm. And a chassis with idealised rigidity balance ensures the superior rear wheel traction and front end feel for precise cornering performance. Careful tuning further elevates the performance of the production KX450F, making the race machine even more potent on the track.

KX250F

Click here for more details about the production KX250F

KX250F

The KX250F was designed to "put race victories within the grasp of expert riders." The fuel-injected, liquid-cooled 4-stroke DOHC 4-valve engine offers elevated potential care of increased high-rpm performance and improved over-rev characteristics. The highly rigid aluminium frame, equipped with the first production-use SFF (Separate Function front Fork), delivers unflappable high-speed stability. Through careful tuning, the race machine further elevates the performance offered by the production KX250F, increasing its already high circuit prowess.

2011 AMA Supercross Championship - Supercross

Pos.	No.	Rider	Machine	Total	R1 01/08	R2 01/015	R3 01/22	R4 02/29	R5 02/5	R6 02/12	R7 02/19	R8 02/26	R9 03/05	R10 03/12	R11 03/19	R12 03/26	R13 04/02	R14 04/09	R15 04/16	R16 04/30	R17 05/07
1	2	Ryan Villopoto	Kawasaki KX450F	338	25	22	25	18	22	20	14	25	25	25		12	22	20	18	25	20
2	22	Chad Reed	Honda CRF450R	334	16	18	14	22	20	15	25	20	22	20	22	22	13	18	20	22	25
3	1	Ryan Dungey	Suzuki RMZ450	328	22	16	20	20	1	22	22	22	20	18	20	25	20	22	16	20	22
4	7	James Stewart	Yamaha YZ450F	301	20	25	22	25	25	6	20	18	12	22	3	18	18	25	25	11	6
5	41	Trey Canard	Honda CRF450R	255	18	20	18	15	16	25	18	16	8	15	25	20	25	16
6	29	Andrew Short	KTM 350SXF	230	11	14	12	12	15	16	15	15	18	1	16	14	15	11	11	18	16
7	14	Kevin Windham	Honda CRF450R	207	15	2	15	14	13	2	1	13	14	14	18	13	16	15	22	15	5
8	18	David Millsaps	Yamaha YZ450F	180	2	10	8	13	11	18	16	10	16	10	4	10	1	14	13	16	8
9	10	Justin Brayton	Yamaha YZ450F	155	5	15	16	3	18	8	11	14	15	16		16	4			12	2
10	27	Nicholas Wey	Yamaha YZ450F	152	9	9	10	1	6	9	10	9	6	13	12	15	3	8	9	10	13
11	9	Ivan Tedesco	Kawasaki KX450F	134	14	7	2	11	14	12	6	12	10	2	15	3	6	13	7
12	800	Mike Alessi	KTM 350SXF	117	7		4		9	11	12	3	11	11	14	1	11	4	15	1	3
13	38	Chris Blose	Kawasaki KX450F	112	4	6	7	10	4	3	7	7	2	3	11	4	8	9	2	7	18
14	24	Brett Metcalfe	Suzuki RMZ450	107	13	13	13	16	12	13	13	11	3
15	30	Kyle Regal	Yamaha YZ450F	107	8	11	5	4	10	5	9	8					5	7	14	9	12
16	26	Michael Byrne	Suzuki RMZ450	74							5		7	8	9	7	7	6	10	8	7
17	12	Thomas Hahn	Yamaha YZ450F	70	1	5	1			10							14	10	12	13	4
18	74	Austin Stroupe	Yamaha YZ450F	69		1	9	2			3				13	2	12	12	1		14
19	321	Fabien Izoird	Kawasaki KX450F	63					2		8	4	5	7	10	8	9	2	8
20	43	Weston Peick	Yamaha YZ450F	54		8		7		7	2				1	9	10	1			9
21	50	Matt Boni	Kawasaki KX450F	48	3			9	8			5	9	9		5
22	11	Kyle Chisholm	Yamaha YZ450F	46	10	12	11	6	7
23	942	Tye Simmonds	KTM 350SXF	44			6		3			6	4	5		6		3			11
24	47	Jason Thomas	Suzuki RMZ450	34	6		3		5	1					8				6	5
25	36	Cole Seely	Honda CRF450R	31										12	6	11	2
26	32	Jake Weimer	Kawasaki KX450F	29																14	15
27	194	Ken Roczen	KTM 350SXF	27						14			13
28	911	Tyler Bowers	Kawasaki KX450F	20															4	6	10
29	45	Vince Friese	Yamaha YZ450F	17				8		4									5
30	62	Robert Kiniry	Suzuki RMZ450	14										4				5		4	1
31	33	Joshua Grant	Honda CRF450R	12	12
32	39	Matthew Goerke	Kawasaki KX450F	9									1	6	2
33	53	Jarred Jet Browne	Yamaha YZ450F	7											7
34	76	Kyle Partridge	Honda CRF450R	6								1			5
35	171	Cole Seibler	Kawasaki KX450F	6															3	3
36	34	Dan Reardon	KTM 350SXF	5				5
37	877	Maxime Lesage	Kawasaki KX450F	4							4
38	85	Ryan Clark	Honda CRF450R	4		4
39	801	Jeff Alessi	Yamaha YZ450F	3		3
40	526	Ben. Lamay	Yamaha YZ450F	2																2
41	903	Antonio Balbi	Yamaha YZ450F	2								2

2011 AMA Supercross Championship - Supercross Lites West

Pos.	No.	Rider	Machine	Total	R1 01/08	R2 01/015	R3 01/22	R4 02/29	R5 02/5	R7 02/19	R14 04/09	R15 04/16	R16 04/30	R17 05/07
1	20	Broc Tickle	Kawasaki KX250F	187	22	22	18	25	18	20		20	20	22
2	19	Eli Tomac	Honda CRF250R	181	11	16	22	20	22	25		22	25	18
3	100	Joshua Hansen	Kawasaki KX250F	162	25	25	16	22	25	15		15	8	11
4	36	Cole Seely	Honda CRF250R	147	16	18	25	1	10	18		25	18	16
5	71	Ryan Morais	Suzuki RMZ250	138	15	20	20	15	14	12		14	14	14
6	194	Ken Roczen	KTM 250SXF	130	14	2	15	18	20	14			22	25
7	28	Tyla Rattray	Kawasaki KX250F	126	20	15	7	16		22		16	15	15
8	35	Kyle Cunningham	Yamaha YZ250F	125	8	11	11	14	16	11		18	16	20
9	23	Martin Davalos	Suzuki RMZ250	107	18	12	10	5	15	9		13	13	12
10	49	Ben Evans	Kawasaki KX250F	75	9	9		9	7	13		10	11	7
11	58	Travis Baker	Honda CRF250R	74	13	13	9	2				12	12	13
12	66	James Decotis	Honda CRF250R	67		14	13	13	11	16
13	72	Nick Paluzzi	Yamaha YZ250F	63	12	6	12	8	1	6		8	1	9
14	795	Bruce Rutherford	Kawasaki KX250F	54	5	8		12	13				6	10
15	903	Antonio Balbi	Kawasaki KX250F	50	10	7	8	6	9	10
16	995	Ryan Marmont	KTM 250SXF	48	7	4	14	11	12
17	592	Jake Canada	Kawasaki KX250F	46		10	4	7	8				9	8
18	149	Casey Hinson	KTM 250SXF	32		5	3	3	5	5			5	6
19	55	Tommy Weeck	Honda CRF250R	27						7		7	10	3
20	726	Gared Steinke	Yamaha YZ250F	23				10				11		2
21	152	Scott Champion	Kawasaki KX250F	19		3	2	4	6	4
22	73	Topher Ingalls	Honda CRF250R	18	1							9	7	1
23	965	Travis Bright	Honda CRF250R	17	4		5			3		5
24	166	Dakota Tedder	Kawasaki KX250F	10	3					2				5
25	831	Ryan Smith	Suzuki RMZ250	8						8
26	208	Donald Vawser	Kawasaki KX250F	8								4	4
27	854	Landen Powell	Honda CRF250R	7									3	4
28	374	Cody Gilmore	Kawasaki KX250F	7	6		1
29	565	Preston Mull	Kawasaki KX250F	6								6
30	405	Daniel Blair	Kawasaki KX250F	6			6
31	647	Parker Eckman	Honda CRF250R	6					3			3
32	132	Kyle Beaton	Kawasaki KX250F	5					4	1
33	70	Tevin Tapia	KTM 250SXF	3							1	2
34	144	Christian Craig	Honda CRF250R	3	2	1
35	620	Brad Nauditt	Honda CRF250R	2								2
36	793	Yuta Ikegaya	Suzuki RMZ250	2					2

2011 AMA Supercross Championship - Supercross Lites East

Pos.	No.	Rider	Machine	Total	R6 02/12	R8 02/26	R9 03/05	R10 03/12	R11 03/19	R12 03/26	R13 04/02	R14 04/09	R17 05/07
1	17	Justin Barcia	Honda CRF250R	205	25	22	22	22	25	22	22	25	20
2	15	Dean Wilson	Kawasaki KX250F	183	22	25	13	15	22	25	25	18	18
3	25	Ryan Sipes	Yamaha YZ250F	163	18	16	20	25	20	16	4	22	22
4	57	Blake Baggett	Kawasaki KX250F	159	20	20	25	20		15	14	20	25
5	21	Blake Wharton	Honda CRF250R	125	15	18	18	14	4	20	20	16
6	48	Matthew Lemoine	Kawasaki KX250F	120	12	11	12	16	18	11	16	9	15
7	139	Malcolm Stewart	Suzuki RMZ250	89	7	13	14	18	1	2	18		16
8	245	Lance Vincent	Honda CRF250R	83	13	10	10		10	6	7	13	14
9	927	P. Larsen	KTM 250SXF	80	3	14	16	13	16	18
10	65	Hunter Hewitt	Suzuki RMZ250	80		15	2	1	12	13	10	14	13
11	44	Les Smith	Honda CRF250R	69			11	11	14	9		12	12
12	89	Taylor Futrell	Honda CRF250R	66	4		9	8	13	4	8	11	9
13	533	Gannon Audette	Yamaha YZ250F	63	8			10	2	14	13	15	1
14	46	Alex Martin	Honda CRF250R	59	11	9	8	12		7	12
15	156	Jason Anderson	Suzuki RMZ250	54	14	12	15	3			9	1
16	37	Darryn Durham	Honda CRF250R	53	1				15	12	15	10
17	283	Justin Sipes	Kawasaki KX250F	47		8			11	10	2	5	11
18	412	Levi Kilbarger	Honda CRF250R	40	2	7	7		5		5	6	8
19	330	A. Catanzaro	Honda CRF250R	37	5		6		9	8	3		6
20	304	Bradley Ripple	Honda CRF250R	34		6		9	6	3		8	2
21	709	Tyler Bright	Honda CRF250R	25							11	7	7
22	102	Christopher Gosselaar	Suzuki RMZ250	23	10				3				10
23	77	Ian Trettel	Suzuki RMZ250	16	16
24	94	Ricky Renner	KTM 250SXF	15				7		5			3
25	93	Hunter Clements	Honda CRF250R	15			5				6	4
26	42	Nico Izzi	Honda CRF250R	15	6		4	5
27	714	Shawn Rife	Honda CRF250R	11	9			2
28	130	Kyle Keylon	Suzuki RMZ250	11			3		8
29	505	Sean Lipanovich	Suzuki RMZ250	11		4			7
30	918	Michael Akaydin	Kawasaki KX250F	11		5		6
31	678	Nicholas Myers	Honda CRF250R	6		3					1	2
32	140	Johnny Moore	Honda CRF250R	5									5
33	60	Killy Rusk	KTM 250SXF	5		1							4
34	583	Tyler Sjoberg	Kawasaki KX250F	4				4
35	890	Kurtis Mccabe	Honda CRF250R	3								3
36	129	Vernon Mckiddie	KTM 250SXF	2		2
36	244	Ryan Zimmer	Honda CRF250R	1			1

Monster Energy Kawasaki

Ryan Villopoto #2 [Supercross]

Jake Weimer #32 [Supercross]

Monster Energy Pro Circuit Kawasaki

Joshua Hansen #100[Supercross Lites West]

Broc Tickle #20[Supercross Lites West]

Tyla Rattray #28[Supercross Lites West]

Dean Wilson #15[Supercross Lites East]

Blake Baggett #57[Supercross Lites East]

KX450F

KX250F

2011 AMA Supercross Championship - Supercross

2011 AMA Supercross Championship - Supercross Lites West

2011 AMA Supercross Championship - Supercross Lites East

Ryan Villopoto #2
[Supercross]

Jake Weimer #32
[Supercross]

Joshua Hansen #100
[Supercross Lites West]

Broc Tickle #20
[Supercross Lites West]

Tyla Rattray #28
[Supercross Lites West]

Dean Wilson #15
[Supercross Lites East]

Blake Baggett #57
[Supercross Lites East]