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Showing posts from June, 2009

25 kilometers to go ...

When you ascend the Col du Telegraph there's still another 25 kilometers before the top of the Col du Galibier ...
25 kilos to go
Well they're building a flamme-rouge outside Alpe D'Huez I've got 25 kilos to go And the whole town's waitin' just to hear me yell I've got 24 kilos to go Well they gave me some beans for my last meal I've got 23 kilos to go But nobody asked me how I feel I've got 22 kilos to go Well I went past a duffer and his whole dern bunch with 21 kilos to go And I sent for the mayor but he's out to lunch I've got 20 more kilos to go Then the sheriff said boy I gonna watch you die got 19 kilos to go So I laughed in his face and I spit in his eye got 18 kilos to go Now hear comes the preacher for to save my soul with 13 kilos to go And he's talking bout' bonkin' but I'm so cold I've 12 more kilos to go Now they're detecting' the chip and it chills my spine 11 more kilos to go And my gears and my chain aw they w…

Pacing and Nutrition

I never cease to be amazed at how really simple questions can become almost impossible to answer when it comes to exercise physiology.
I'm just an IT spod who has a passion for training and riding my bike. But, having bonked really badly on Etape 07 (or possibly underestimated the effect of altitude) I am determined to get it right for La Marmotte this year.
The chart above is intended to show the percentage of fuel that is derived from muscle glycogen versus fatty acids (etc) at differing exercise intensities. Basically, at higher intensities the energy derived from glycogen becomes greater and will need to be replaced on the go. By contrast, the energy derived from fatty acids will not.
Tipping Points and Sailing Close to the wind
Based upon the assumption that (a) I will carbo load before La Marmotte and will have approximately 1000 cals worth of glycogen sitting in my legs and (b) I will take on 400cals of glycogen per hour then the following table tells me how many hours I can go…