http://www.racerxblog.com/2010-supercross-schedule/
2010 Supercross Schedule
I Need The 2010 AMA Supercross Season TV Schedule. Any Help?
Not sure where you can find out….but the first race is January 6 ..so just check the channel you usually watch it on.. (for me its espn) but as soon as the schedule is final, you can bet the first place it will be is on supercross.com http://www.supercross.com/tv-listings
Just keep checking the site for updates, heres the race schedule just incase you need it haha…
* January 9 – Angel Stadium – Anaheim CA
* January 16 – Chase Field – Phoenix AZ
* January 23 – Angel Stadium – Anaheim CA
* January 30 – AT&T Park – San Francisco CA
* February 6 – Qualcomm Stadium – San Diego CA
* February 13 – Angel Stadium – Anaheim CA
* February 20 – Lucas Oil Stadium – Indianapolis IN
* February 27 – Georgia Dome – Atlanta GA
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* March 6 – Daytona International Speedway – Daytona FL
* March 13 – Rogers Centre – Toronto, ON, CANADA
* March 20 – Cowboy Stadium – Arlington / Dallas TX
* March 27 – Jacksonville Municipal Stadium – Jacksonville FL
* April 10 – Reliant Stadium – Houston TX
* April 17 – Edward Jones Dome – St. Louis MO
* April 24 – Quest Field – Seattle WA
* May 1 – Rice-Eccles – Salt Lake City UT
* May 8 – Sam Boyd Stadium – Las Vegas NV
Hope this helps you out mate 
2010 Monster Energy AMA Supercross Track – Phoenix
2010 Monster Energy AMA Supercross Track – Phoenix
