Haha weird reading this here. I was a runner as well who ran at a lower-tier D1 school. Definitely burned out mentally, because I was always trying to train hard and find the "extra edge," when in reality the edge is a competitive mindset that is in the moment during races, pushing you exactly 100%. I read Letsrun way too much, and obsessed over the details when the right route was right in front of me the whole time.
Almost an analogy for life.