Race flyers and calendar from the ACA here!
ACA page, with Pikes Peak Supercross leading the way.
The ACA has updated postings of the BAR/BAT competition. Lots of June racing can be found here on the schedule. And while we're dealing with lots of acronyms, the CTS Short Track XC Series starts soon!
ACA 2009 calendar is only a few days away (January 24th).