One good thing about Zwift is that I first started looking at peak 23s power only because of Zwift. I've lost 100-150w 23s avg power, mainly because I blow up early. I've been blowing up 3-5 seconds from the sprint line recently.
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"...during the Lance years, being fit became the No. 1 thing. Totally the only thing. It’s a big part of what we do, but fitness is not the only thing. There’s skills, there’s tactics … there’s all kinds of stuff..." Tim Johnson