> but I think the "improvement" is much less apparent because the ability to run 100 meters three seconds faster is not anything like going from playing "Hot Cr

> but I think the "improvement" is much less apparent because the ability to run 100 meters three seconds faster is not anything like going from playing "Hot Cross Buns" to some complicated classical piece As someone who ran D1 track & field yet can also play Liszt's Transcendental Étude No. 10, I would have to disagree with you. I think that running has had a much deeper impact on my physical and mental development than the process of slowly refining a niche skill.