In recent years, TomTom officially exited the wearable space. This has led to several changes: Customer support for the app is minimal.
Use online tool: https://mysports.tomtom.com → Log in → Settings → Export Data (CSV/GPX). tomtom mysports app
Here’s a concise guide to the (now largely replaced/transitioned to TomTom Sports ). In recent years, TomTom officially exited the wearable space