.TCX File Extension

Training Center XML File

Developer Garmin
2.8  |  21 Votes

What is a TCX file?

A TCX file is an XML file used to transfer workout data between fitness devices. It contains a record of a user's workout, including the user's running or cycling course, heart rate, cadence, lap time, and calories burned. TCX files are typically created by Garmin and Fitbit devices.

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Screenshot of a .tcx file in GitHub Atom
TCX file open in GitHub Atom

In 2007, alongside the release of Garmin Training Center, Garmin introduced the Training Center XML (TCX) file format. TCX files are similar to .GPX files, in that both are used to map runners' and cyclists' routes. However, TCX files also store data recorded during a user's workout. For example, TCX files log users' activity type, lap times, maximum speed, calories burned, and exercise intensity.

Garmin and Fitbit device users can export TCX files from their devices and use the files in other programs, such as Garmin Connect, Strava, and the desktop versions of Google Earth. For example, Fitbit users can export their data from Fitbit.com by:

  1. Logging in to their Fitbit.com account.
  2. Selecting Log → Activities from the Fitbit.com dashboard.
  3. Selecting an activity and clicking View Details.
  4. Selecting the ... menu and then selecting Export as a TCX file.

If you encounter a TCX file on your computer, it was likely exported from a workout-tracking device or program.

NOTE: The TCX format is available in both TCX v1 and TCX v2 schemas.

How to open a TCX file

You can open a TCX file in a variety of mapping and workout-tracking programs. For example, you can upload a TCX file to Strava (Web) or Garmin Connect (Web) to view the workout data it contains. You can also open a TCX file in the desktop versions of Google Earth (cross-platform), though Google Earth will show you only the running or biking route a TCX file contains.

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Programs that open TCX files

TestComplete Script Extension Package

Developer SmartBear
3.2  |  6 Votes

A TCX file may also be a script extension package used by SmartBear TestComplete, a program used to automate the testing of the UI of an application. It contains files used by a script extension, which include an .XML file, .VBS and/or .JS files, a .CHM file, .PNG, and .BMP files. TCX files are compressed in Zip format and may store files for multiple script extensions.

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Script extensions add customized functionality to TestComplete similarly to plugins but are easier to create in TestComplete. They allow you to customize automated tests that can be performed on your application. The script extensions can be used for creating custom record-time actions, scripting objects, design-time actions, keyword test operations, and operations on test results.

TCX files typically store the following files:

  • A description.xml file that contains metadata about the script extensions included in the TCX package.
  • VBS or JS script files that contain the actions, operations, and objects that make up the extension.
  • AQFRM files that contain form information for forms used by the extension.
  • A CHM help file that is placed in the same folder as the extension when installed in TestComplete.
  • PNG or BMP files that contain icons for the operations and actions.

TCX files are primarily opened in TestComplete when a user imports it into the application. However, you can also manually open TCX files since they are renamed ZIP files.

To manually open a TCX file, rename the ".tcx" file extension to ".zip" then expand the archive with a Zip decompression program, such as Corel WinZip, Apple Archive Utility, or 7-Zip.

To create a TCX file, simply reverse the aforementioned process. Compress your extension files as a ZIP file with a Zip compression program, then rename the ".zip" extension to ".tcx".

Programs that open TCX files

TurboCAD 3D Model Text File

Developer IMSI/Design
2.5  |  2 Votes

TurboCAD drawing saved in a text format; may contain either 2D or 3D model data; similar to to a standard TurboCAD drawing (.TCW) file, but saved in a text format that can be viewed in a text editor.

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TurboCAD's TCX format is similar to the AutoCAD .DXF file format.

Programs that open TCX files


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