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I am soooo slooow! I have read all the stuff about winter riding and higher air density slowing us down in winter, but this is different. In the last 3 days I have been out twice after a 2 week layoff with a cold. A cold which still lingers. I have dropped from upper quartile to lower decile times on the day on my local routes, I am 10-12% off my usual pace, and worse, am totally knackered after 30 miles, which should be a breeze. On the second of the two runs, I thought I really pushed hard, but was slower than the first run a couple of days earlier.
A bit of research first took me to dcrainmaker, who measured his performance on an indoor trainer and found a 20% drop in power, and an increase in heart rate during a cold. This made me feel more positive, but then I found a couple of more controlled medical tests where they actually infected a bunch of volunteers with a cold virus, and found absolutely no difference in athletic performance, lung function or metabolism. Seems strange that with all that mucus covering the tubes they found no change in lung function, but there we have it.
Anybody any further information or views on this, or any Physiologists here who can explain things?
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