The following is the 250cc class rider list for the South Point Hotel & Casino Motocross National at Glen Helen Raceway, opening round of the 2009 Lucas Oil AMA Pro Motocross Championship.

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RIDER #	FIRST NAME	LAST NAME
10	Ryan	Dungey
19	Jake	Weimer
20	Nico	Izzi
24	Brett	Metcalfe
36	Kyle	Cunningham
39	Trey	Canard
41	Matthew	Lemoine
43	Broc	Tickle
50	William	Hahn
55	Ryan	Clark
61	Blake	Wharton
85	Sean	Borkenhagen
87	PJ	Larsen
116	Ryan	Morais
119	Max	Anstie
123	Tommy	Searle
144	Alex	Martin
151	Justin	Barcia
152	Scott	Champion
159	Darryn	Durham
160	Cory	Pennington
164	Michael	Hall
171	Brad	Kelly
177	Mitch	Rask
180	Doug	Leavitt
189	James	Garrett
201	Cameron	Rodriguez
210	Dane	Marsack
211	Tevin	Tapia
220	Cole	Seely
228	Lance	Phillips
249	Robbie	Conklin
267	Kyle	Mace
277	Ryan	Newton
307	Zach	Ahleen
309	Spencer	Dally
316	Brandon	Jones
326	Craig	Tomlinson
329	Chad	Gores
350	Ben	Evans
377	Christophe	Pourcel
411	Tyla	Rattray
417	Travis	Smith
428	Tyler	Johnson
472	Tony	Sherman
480	Bryar	Perry
534	Travis	Freistat
536	Erick	Meusling
565	Preston	Mull
575	Chappy	Fiene
577	Martin	Davalos
620	Brad	Nauditt
623	Buddi	Bruner
656	Brandon	Kunkel
703	Ricky	Yorks
711	Ronnie	Goodwin
715	Jacob	Sanchez
719	Vince	Freise
727	Rhett	Urseth
732	Tye	Hames
736	Bobby	Hesse
777	Devin	Watson
778	Matt	Craft
786	Chad	Jorgensen
795	Bruce	Rutherford
797	David	Wood Jr.
816	Rustin	Meyer
871	Jared	Minor
874	Brodie	Humphries
888	Hunter	Meyer
934	Jacob	Buelna
976	Josh	Greco
981	Austin	Stroupe
986	Topher	Ingalls