Keep in mind that these numbers are based on the people who use Cycling Analytics, and aren’t necessarily representative of the broader cycling community or people overall. This table shows the difference between the numbers for males and females at equivalent percentile ranks relative to the female numbers, so “15%” means the male number is 15% higher. There are a lot more males than females using Cycling Analytics, so the top percentile listed here is the 95th. There are similar jumps in power between the 80th and 90th percentile, the 90th and 95th, the 95th and 98th, and the 98th and 99th, despite the declining number of people in each of those groups. There is a lot more variation at the extremes. Each row represents what somebody at the nth percentile level has achieved, so the top row indicates that 99% of people have lower numbers than these, or that 1% of people have higher numbers than these. In addition to the best efforts for five seconds, one minute, five minutes and twenty minutes, 95% of the twenty minute best effort is shown because it’s a common estimate for FTP. This is probably especially true for the lower percentile levels. It’s important to keep in mind that this data represents what people have actually done, and because most people haven’t attempted a maximal effort at all durations, these numbers are lower than the true potential maximums of the population it represents. Cycling Analytics users can see all this data for all times between one second and two hours with a chart like the one below, and a few more things, so create an account if you want to see more. It’s one thing to say you have an impressive FTP, but it’s something else to demonstrate it, so let’s now look at the best power outputs that Cycling Analytics users have sustained for various durations. There is less resolution for this data because there are a lot more males than females that use Cycling Analytics. Like with the men, not many women say they have a 190W FTP when it could be 200W instead.
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