2012 Monster Energy AMA Supercross, an FIM World Championship
Round Nine – St. Louis, MO

Supercross Main Event:
1. Ryan Villopoto
2. Ryan Dungey
3. Justin Brayton
4. Kevin Windham
5. James Stewart
6. Davi Millsaps
7. Jake Weimer
8. Brett Metcalfe
9. Marvin Musquin
10. Nicholas Wey
11. Broc Tickle
12. Matthew Goerke
13. Mike Alessi
14. Robert Kiniry
15. Justin Sipes
16. Kyle Chisholm
17. Gavin Faith
18. Jimmy Albertson
19. Cole Seely
20. Joshua Hansen

East Coast Supercross Lites Main Event:
1. Justin Barcia
2. Ken Roczen
3. Blake Wharton
4. Darryn Durham
5. Justin Bogle
6. Jake Canada
7. Malcolm Stewart
8. Kyle Cunningham
9. Blake Baggett
10. Alex Martin
11. Matthew Lemoine
12. Hunter Hewitt
13. Cole Thompson
14. A Catanzaro
15. Jeffrey Gibson
16. Austin Politelli
17. PJ Larsen
18. Bradley Ripple
19. Phil Nicoletti
20. Tyler Bowers