Performance Condition
As you complete your activity, such as running or cycling, the performance condition feature analyzes your pace,
heart rate, and heart rate variability to make a real-time assessment of your ability to perform compared to
your average fitness level. It is approximately your real-time percentage deviation from your baseline VO2 max.
estimate.
Performance condition values range from -20 to +20. After the first 6 to 20 minutes of your activity, the device
displays your performance condition score. For example, a score of +5 means that you are rested, fresh, and
capable of a good run or ride. You can add performance condition as a data field to one of your training screens
to monitor your ability throughout the activity. Performance condition can also be an indicator of fatigue level,
especially at the end of a long training run or ride.
NOTE: The device requires a few runs or rides with a heart rate monitor to get an accurate VO2 max. estimate
and learn about your running or riding ability (About VO2 Max. Estimates, page49).
Viewing Your Performance Condition
This feature requires wrist-based heart rate or a compatible chest heart rate monitor.
1 Add Perform. Cond. to a data screen (Customizing the Data Screens, page25).
2 Go for a run or ride.
After 6 to 20 minutes, your performance condition appears.
3 Scroll to the data screen to view your performance condition throughout the run or ride.
Getting Your FTP Estimate
Before you can get your functional threshold power (FTP) estimate, you must pair a chest heart rate monitor
and power meter with your watch (Pairing Your Wireless Sensors, page69), and you must get your VO2 max.
estimate (Getting Your VO2 Max. Estimate for Cycling, page50).
The watch uses your user profile information from the initial setup and your VO2 max. estimate to estimate
your FTP. The watch automatically detects your FTP during rides at a steady, high intensity with heart rate and
power.
1 Press UP or DOWN to view the performance glance.
2 Press GPS to view the glance details.
3 Press UP or DOWN to view your FTP estimate.
Your FTP estimate appears as a value measured in watts per kilogram, your power output in watts, and a
position on the gauge.
For more information, see the appendix (FTP Ratings, page114).
NOTE: When a performance notification alerts you to a new FTP, you can select Accept to save the new FTP,
or Decline to keep your current FTP.
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