“In order to get fitter or improve in a sport, the body needs to be exposed to stresses (i.e. training or exercise), the body then needs time to adapt to the stresses, to let this happen you must recover."
If you’re a novice your main reasons for considering a coach will probably be to gain knowledge, protect your well-being and learn how to progress. If you’re a mid-level performing athlete you’ll be focussing on breaking through the key targets like a sub three hour marathon or two hour olympic distance triathlon. High performing athletes understand the cumulative effect of marginal gains and they recognise the benefits an external perspective brings to their performance.