The following is the 450cc class rider list for the Hangtown Motocross Classic in Sacramento, California, round 2 of the 2009 Lucas Oil AMA Pro Motocross Championship.

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RIDER #	FIRST NAME	LAST NAME
2	Ryan	Villopoto
9	Ivan	Tedesco
15	Timothy	Ferry
17	Robbie	Reynard
18	David	Millsaps
21	Cody	Cooper
22	Chad	Reed
26	Michael	Byrne
27	Nicholas	Wey
28	Charles	Summey
29	Andrew	Short
33	Josh	Grant
34	Matthew	Goerke
37	Antonio	Balbi
42	Jake	Moss
45	Jason	Thomas
47	James	Albertson
48	Thomas	Hahn
57	Jacob	Marsack
59	Troy	Adams
63	Chris	Blose
71	Justin	Sipes
73	Gavin	Gracyk
74	Branden	Jesseman
75	Josh	Hill
81	Kyle	Summers
88	Bobby	Bonds
94	Jacob	Morrison
95	Ben	LaMay
96	Tyler	Wharton
103	Ryan	Abrigo
114	Justin	Brayton
121	Jeff	Dement
122	Daniel	Reardon
125	Daniel	Blair
130	Kyle	Keylon
138	Michael	LaPaglia
157	Sean	Hackley Jr.
181	Jonny	Linde
184	Dennis	Stapleton
233	Justin	Berry
236	Sean	Kranyak
299	Hiroki	Ogawa
336	Dennis	Jonon
338	Jason	Lawrence
344	Derek	Currie
357	Jake	Locks
376	Ray	Leybovich
382	Ryan	Ferris
383	Robert	Fitch Jr.
407	Adam	Chatfield
432	Robby	Bell
439	Adam	Metzler
447	Deven	Raper
455	Lucas	Moraes
482	Cory	Green
488	Dustin	Enochs
510	Colton	Udall
511	Nathan	Whitlow
539	Ricky	Dietrich
559	Tim	Weigand
605	Jesse	Casillas
619	Brian	Hulsey
624	Travis	Tillery
629	Anthony	Boughten
631	Weston	Peick
745	Charles	Whittelsey
762	Justin	Soule
800	Michael	Alessi
801	Jeff	Alessi
817	Todd	Carlson
901	Justin	McDonald
911	Tyler	Bowers
928	Bobby	Garrison
931	Daniel	Bajza
967	Cody	Tithof