The inscription period for the 2009 UCI Mountain Bike International Calendar is now open. Any event wishing to be on the 2009 UCI Mountain Bike International Calendar must apply before June 20, 2008. UCI MTB International Calendar events give U.S. Pro racers the opportunity to earn valuable UCI ranking points required for participation in UCI World Cups. In addition, UCI MTB International Calendar events have the highest ranking value on the USAC-MTB National Calendars (MBNC).