Power Workout

Garmin connect has added the ability to program power-based workouts for its own sensors. However, it is possible to use them for a Stryd device with Power Tool and Power Workout

Garmin does not support natively power based workouts, but through Connect IQ there are some good extensions perform it.

'Power Tool' and 'Power Based Workouts for Runner' are now supporting trainings for runner generated by 3rd party platforms.

Power based workout for Stryd which can be programmed directly through Garmin connect