Originally Posted by
FlashBazbo
Of course Strava "power" may or may not have any relationship to the actual power that you produce. It's a guess based on everything except the power that you produce. Sometimes, it gets within 25 or 30%, but it is often a long, long way from accurate.
That's a long way of saying that I'm not sure the answer you get is going to be a real answer, either.
Without a power meter, you just as well fill in the "power" estimate with whatever you want. Look more at time or (here come the flames) average speed on that segment, and compare you time's' with others, keeping in mind that the further up the segment leader board you go, the stronger the tailwind probably was