I don’t think he has hit his peak. He was quite a late developer. He was a very small kid in his mid-teens. I mentioned recently that, when he was an under-17, he was ranked equal 26th in Scotland.
and
The key to it is enjoyment, then multi-sports and then multi-events. In your teens you then train more regularly every other day. If you’re male and a distance runner then by the time you get to university you want to be running 50 miles a week in your first year. You shouldn’t exceed that at sixth form. So set personal bests and enjoy it.
Quotes come from an article in AW: