The 10th Annual CircumBurke Trail Challenge, an epic trail race for runners and mountain bikers will occur on Sunday October, 18th, 2020.  The event was founded by Conservation Collaboratives and Kingdom Trails in 2010 to remember David Blumenthal, a Vermont athlete and outdoor trail advocate.  Each year 100% of the event proceeds go towards trail improvements along the event route.

Our 10th edition will be celebration of mountain biking running and trails.  Registration begins on March 30th.  For further details go to our bikers and runners registration pages at: