The past 3-4 weeks I have followed my marathon training plan as well as I could. Unfortunately I had to cancel all my running plans this week, because when I was ready for run last Tuesday, right from the start I realized I have no energy, so after jogging for 5 minutes I gave up and walked home. Actually I had this kind of feeling before as well (last week, week before and etc), but I didn't pay attention. I just pressed on and struggled with every workout until I felt unable to go out and run. So my last run was one week before and I have no idea when I'm back in business.
Right now I'm stuck at home due to iron deficiency (low hemoglobin level). I have been taking my iron supplements for 3 days and can't wait to feel better, frankly I hate being inactive. When I woke up today, I had a desire for a short bicycle ride and the weather was super nice, so I wanted to try. It went well- no power in my legs, but I didn't expect any better.