What do the default athlete charts in WKO4 mean?

WKO4 includes default athlete-level charts to display your data over periods of time. These charts allow you to easily see whether you have been improving over time. There are hundreds of charts to pick from, depending on what data you might like to view.

Let’s examine your default athlete charts and explain a little about each one to help you analyze your data.

PMC Pack/WKO3 Classic Chart PMC

  • This chart is probably familiar if you have been using WKO+3. It is the Performance Manager Chart.
  • This chart will help you understand your CTL (chronic training load), ATL (acute training load), TSB (training stress balance), and performance peaks. 
  • The blue CTL line indicates how much training you have done over the selected time range. In general, the higher your CTL number, the fitter you are.
  • The pink ATL line indicates how fatigued you currently are. If you feel fatigued now, you would expect a big peak of ATL in the previous week or two.
  • The TSB line indicates how fresh you are; a positive TSB means that you are fresh, and a negative TSB means you are fatigued. The higher the positive number, the fresher you are, and the more negative the number, the more fatigued you are.
  • The peaks that are charted in the PMC are your ten best peak wattages for 1 minute, 20 minutes, and 60 minutes Normalized Power. Plotting the peak wattages inside the PMC allows you to correlate your best performances with how fatigued or fresh you were.

Power Duration (PD) Curve:

  • This chart shows all your peak wattages for every time period from 1 second to 47 seconds to 5 minutes 12 seconds all the way out to your longest ride. It captures your best average wattage output for every time period.
  • The yellow line is your actual peaks; this line is also called the Mean Maximal Power line.
  • The red line is the actual Power Duration (PD) line and is created using a proprietary algorithm within WKO4.
  • This chart is used for many other calculations internally inside WKO4, including helping determine your Phenotype (sprinter, TTer, pursuiter, all-arounder).
  • There are many ways you can use this data:
    • Determine interval wattages
    • Determine what is possible for a given duration
    • Compare multiple time periods together by CTRL/CMD clicking ranges in the RHE (right-hand explorer).


Power Profile Classic and PD Curve Profile

The Power Profile chart is carried over from WKO+3 and is also available in TrainingPeaks. It is a comparison of your peak 5 seconds, 1 minute, 5 minutes, and 60 minutes with the standards in the Power Profile chart. You can compare multiple time ranges by CTRL/CMD clicking ranges in the RHE.

The PD Curve Profile is new in WKO4. This chart displays your peaks across all durations just like the PD curve, but it places this data within the confines of the Power Profile categories. This can reveal new areas of strengths and weaknesses. A big dip in the curve will represent a weakness at that time period, and a hump will result in a strength.

Athlete Details Chart

The Athlete Details chart is really not a chart; it’s where your personal metrics are stored and displayed. This is a critical zone where you manage details like your weight, FTP, training zones, threshold heart rate, threshold pace, and syncing with your TrainingPeaks account. It is important to update this information as needed so that is is always current and maintains an accurate record of your metrics.

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