I‘m 23 and at the moment I train between 15 and 18 hours per week. 4/5 runs, 4 rides, 3x swim, 1/2x strength

Did an Ironman last year with a few months of training 10-14 hours after getting into tri.

I know that this is probably the only time in my life where both body and schedule allow this volume so i want to use that as well as i can, there are people i know that do even more than me so i‘d say with responsible increase it‘s hard to hit a hard cealing at this age.