Triathlon at Retirement

As Vasaloppet went fine, I thought I take a few days off and I would recover quickly and be in amazing form. Strava is saying I am in the form of my life, although fatigue factor is quite high. It has not been so straightforward. I rested completely while travelling for two full days. I arrived back in Texas, and on the third day, I thought I do a slow 5k jog to start up again. It was slow, really slow, but my body told me it was racing speed. Afterwards, my legs were dead. It was worrying and I thought I may be getting sick. I rested another day and agreed to do a slow bike ride with my friends. It was slow, too slow, how slow can it be? I took off with a faster group and I felt fine. Great! I am back, I am recovered! Not so fast. After resting one day again (just to be careful) I decided on a bike and run brick repeat, 5km bike and 1 mile hill run, 3 times over. I have done this exercise several times before, and I quite enjoy it. It is hard, but the constant transitions give a bit o