Super Dave, with SuperFit Productions, kicks off the Central Oregon trail racing season every year with the Mastondon 10-ish miler. If you have not had a chance to venture out to the Maston/Juniper trails between Bend and Redmond, let me entice you with a course preview. Unlike a lot of trail races in the northwest, the Mastondon is a fairly flat, yet somewhat rocky, and very fast event. The course is a loop that runs…