Put on by Level 32 Racing, the Autumn Trails Eugene race is a trail run that offers something for just about everyone, with distance options of 3.5, 6, 10, and 16 miles. From looking at the Google Earth map of the area, it seems like this is a wooded area, with some degree of elevation per the race description. The course map is here. Basically, longer race distances add successive loops to the shorter race distance…