This article is from the The Monster Truck FAQ, by Jeff Hawkins with numerous contributions by others.
Monsterzone has a excellent Calender Section
Monster Mania will soon host a complete Event Database at
Pace Motorsports also has a complete events schedule of all Pace events. You
can find links on the calendar for purchasing tickets and other venue info.
Buck Motorsports Park (The Buck) in Lancaster Co. Pa. has their events
Checkered Flag Productions posts their skedule Info here:
Many trucks have a schedule section on their web pages: