Training Stress Score® (TSS) is a way of measuring how much stress is put on your body from a ride. TSS® is calculated using Normalized Power® (NP), Intensity Factor® (IF) and ride duration. TSS® helps to determine the best combination of workouts and rest periods.
Below is a TSS® guide:
Measuring the physical stress a ride has had will help improve the overall race performance and help make improvements to your training regimen.
TSS® will show* on:
If TSS® does not appear as an optional data field, update the software with Garmin Express. You will find TSS® in Garmin Connect on the activity's details page. There will be a Power section within the Details box.
For further detail on TSS®, view the Training Peaks website.
*Note: A power meter is necessary to receive TSS®.
Normalized Power® (NP), Intensity Factor® (IF), and Training Stress Score® (TSS) are registered trademarks of Peaksware, LLC.