How to sync weight data to Garmin Connect, Zwift, Training Peaks, and Trainer Road

A photo of Tom in a field in Corsica. The sun is shining!
February 6, 2022
February 6, 2022 is a great solution if you are looking to sync Wi-Fi scale weight between various health & training platforms.

As of 2022 the platform can take weight data from one these sources:

  • Withings
  • Fitbit
  • Garmin Connect

And sync it daily to:

  • TrainerRoad
  • Strava
  • Polar
  • Zwift
  • Peleton
  • Concept 2 (Rowing platform)Fitbit (if not set as the source)
  • Garmin Connect (if not set as the source)

Personally I use a Withings smart scale, synced to:

  • Apple Healthkit via the Withings app
  • TrainerRoad, Strava, and Garmin Connect (connected directly via
  • Garmin Connect then passes data on to Training Peaks
  • Zwift directly via the Withings platform (you can set up this sync in the Zwift Companion App on your smartphone)

It took a few minutes to set up SmartScaleSync a few months ago and since then it has ran flawlessly, steadily checking my Withings account for new weight data and syncing it daily. It costs $15 per year but saves the fiddling and hassle of keeping the weight data updated across multiple platforms.

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