I too, am interested in the comments that you can’t do all out speed work in the winter, although I must confess that I haven’t read this fabulous web site. I’m guessing it has more to do with getting your muscles warmed up and staying warm, than the increase in gear. On the bike, you’re necessarily going faster than running and I find even in the summer, that the sweat evaporates off my skin faster. Oftentimes, I don’t even realize I’m sweating until I stop pedaling. Anyway, my point is that maybe in winter the wind is constantly cooling you off so maybe its hard for your muscles to stay warm. Maybe they have to work that much harder just to keep your core temp. at a normal level so you can’t generated enough energy to truly put in a sprint effort.
Just a thought from an un-professional.
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I too, am interested in the comments that you can’t do all out speed work in the winter, although I must confess that I haven’t read this fabulous web site. I’m guessing it has more to do with getting your muscles warmed up and staying warm, than the increase in gear. On the bike, you’re necessarily going faster than running and I find even in the summer, that the sweat evaporates off my skin faster. Oftentimes, I don’t even realize I’m sweating until I stop pedaling. Anyway, my point is that maybe in winter the wind is constantly cooling you off so maybe its hard for your muscles to stay warm. Maybe they have to work that much harder just to keep your core temp. at a normal level so you can’t generated enough energy to truly put in a sprint effort.
Just a thought from an un-professional.