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Geospatial.tcx

TCX viewer

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About TCX

Garmin Training Center XML — GPS activities with heart-rate & laps.

TCX (Training Center XML) is Garmin's format for recorded workouts. Unlike plain GPX it carries activity structure — laps, distance, heart rate, cadence, and calories — alongside the GPS track. Our viewer parses it locally, draws the route on a map, and summarizes the activity.

FAQ
What is a TCX file?
TCX (Training Center XML) is Garmin's format for recorded workouts. Unlike plain GPX it carries activity structure — laps, distance, heart rate, cadence, and calories — alongside the GPS track. Our viewer parses it locally, draws the route on a map, and summarizes the activity.
Is my file uploaded?
No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?
Yes. The viewer is mobile-first and works on phones, tablets, and desktops.
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