Referred to as Training Center XML (TCX) files, are originally crafted to store fitness data, including workout details, heart rate, GPS coordinates, and other essential metrics. These files are generated through multiple exercise monitors, mapping gadgets, and platforms like Garmin Connect. https://www.filemagic.com/en/data-files/tcx-file-extension/tcx-files-what-it-is-and-how-to-open-it/