Garmin Training Center can export its own, recorded, activity files (*.fit) to an XML based database format - TCX. Used for data exchange.
Convert Garmin Training Center user activity profile to Garmin Training Center database XML file.
We found 2 software records in the database related to .fit to .tcx file format conversion.
Microsoft Windows software - convert fit to tcx on Windows
A program used to track and analyze fitness activities
Convert from fit file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned fit to tcx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert fit to tcx on OS X
A fitness trakcing and analyzing tool for Mac