I think it was a result of your high mileage the 10 days before. When I increase mileage by big leaps I find my immune system gets taxed, sometimes I catch a cold. My guess is you are getting sick and tired both. The body is great at telling us what it needs, I listen. Rest is just as important as training.
When I get that way, it is usually cumulative fatigue. Make sure you get enough rest days in your schedule. Rest is as important as running.
She woke up one morning and threw away all her excuses... ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ UPCOMING RACES: Aug 29, 2015: Murky Mile Open Water Race Sep 13, 2015: Tri for Sight Sprint Tri Oct 11, 2015: Iron Horse Half Marathon Oct 18, 2015: Columbus Half Nov 14, 2015: Renfro Rock N Run Half
I got home after a 22k run on Sunday and just wilted. It took 36hrs (two nights of sleep) to get off the couch. I just felt like I'd lost a liter of blood, all wilted and droopy. No energy, low brain function, spacey. But the funny thing was I had zero, nada, muscular pain or tendons or joints. I didn't have any of the normal signs of a hard run. The run itself was hard for the first 30minutes on the flat feeling tired and lead-like but as I started the ascent up the trail I got my groove and actually made good time to the turn around. I headed back down without any need to stop. When I got home I seemed ok. I ate, ate some more, laid on the couch and watched a movie. I thought after my partner got home from his long run that I'd be fresh to get up and get on with the day but I just stayed zonked. And when I got up the next day, ditto. Zonked for whole day. Now today I am much better though not overflowing with energy. I ran 45min at 134bpm. No problems.
What happened? Was it a fueling issue, cumulative fatigue, pushing too hard, too far, too fast?
FYI: I had done some high mileage over the previous 10 days which I had found pretty easy (which surprised me). Maybe the effect of the high mileage was delayed? My average HR was 144 across all this mileage as I'm in long base building. The only other factor is I run off road on steep terrain so 144 is really averaging 150 up and 140 down. I eat about 300 to 500 calories during a long run (2:30-3:00hrs). This particular run was 1L gatorade, one banana, and one fruity runners bar I make. I also tried yesterday to eat my way out of my fatigue and this didn't work, nor caffeine, or doing nothing.
What's the science of fuel in relation to what happened to me? Can I avoid this happening again? Has anyone else had this issue and solved it?
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