Download GPSBabel on the official website in the downloads section.In Output select GPX XML and a destination file.In Input select your saved track type and browse your track file.First you need to download GPSBabel, which can be downloaded from its official site.2.3 Converting using the Mac OS X Terminal.Though TCX or FIT may give you a bit more data. So in general, you probably won't notice much difference between formats for uploading to Strava. So not really an issue, unless your device has very limited memory, or a slow internet connection for uploading. File size is usually not a problem anyway - even if you are recording at 1 point per second, a 3 hour activity would be about 1MB in GPX format. FIT is a binary format, so is much smaller file size, typically about 1/10 of the size. But this does mean they can be easily edited, eg in a text editor. TCX and GPX are both XML formats, which can be fairly inefficient in terms of file size. Some of this is used by Strava, eg to display the device, or automatically select the activity type. eg the total time, distance, calories, device used, type of sport. TCX or FIT can also contain summary data, for the whole activity. But some devices might record heart rate/cadence in a different format in the GPX file. The most popular format for these extension was created by Garmin, it is also supported by a variety of other software/websites (including Strava). I am not sure whether Strava actually uses the laps or pauses recorded on the device, I suspect it will recalculate them anyway, based on the GPS points and time.Īs standard, GPX does not support heart rate, cadence or power data. Whereas GPX is essentially just a series of points (with timestamps). Also they support pauses, if you want to stop the activity at one point, then start again later. So your device could record a new lap whenever you press the lap button, or automatically after a set distance, eg every 1km. TCX and FIT are designed for fitness activities, so they can contain more fitness data than GPX.Įg TCX or FIT supports laps (splits).
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