So I did my 10 quickly on Tuesday which the stats showed was a real push for my body as I kept the pace up.
Thursday I set out for 5k with the intention of not getting my heart rate above z3 which I suceeded with, keeping my HR between 2 and 3 for the duration.
Yesterday I set out on my 10k route with the intention to cut it short if I felt it was too much but I completed it fairly easily and managed to keep my HR at a rate where certainly Garmin felt I wasn't overdoing things.
I think this is where all this data can really come in useful. ππ