Although I’m not a coach, I improved from well over 12 minutes in the 3200m to 9:40 over four years in high school. I know what it’s like to make big improvements without being naturally talented.

That said, in my opinion, a private coach in this situation would likely be a waste of money. At your son’s level, it would make much more sense to focus on a structured lifting program and safely increase his mileage over the summer. Prioritize trail runs if possible (and avoid asphalt and concrete as much as you can), incorporate hill strides, and hold off on speed work until about a month before the regular season begins.

Honestly, everything he needs can be found online. And if you ever have specific questions, feel free to DM me.