Author Topic: Garmin Connect Exporting Data  (Read 649 times)

Garmin Connect Exporting Data
« on: June 28, 2017, 01:29:47 pm »
I have a Garmin Forerunner 235, which does the job. However, does anyone know how to export HR data from rides? I know you can export the GPS and view time in HR zones through Garmin Connect, however I like to do my own HR analysis, so would be great if anyone has any help here. Thanks.

Re: Garmin Connect Exporting Data
« Reply #1 on: June 28, 2017, 08:49:50 pm »
On the activity page go almost top right to the cog icon and select "Export to TCX" and the data should be in there.

I also get the data if I do "Export to GPX", e.g.

      <trkpt lat="51.48028009571135044097900390625" lon="-0.1796971075236797332763671875">
        <ele>4.599999904632568359375</ele>
        <time>2017-06-22T08:33:09.000Z</time>
        <extensions>
          <ns3:TrackPointExtension>
            <ns3:hr>161</ns3:hr>
          </ns3:TrackPointExtension>
        </extensions>
      </trkpt>

"Yes please" said Squirrel "biscuits are our favourite things."

fuaran

  • rothair gasta
Re: Garmin Connect Exporting Data
« Reply #2 on: June 28, 2017, 09:01:26 pm »
The Forerunner records in FIT format. If you plug it into a computer, you can find the files in the Garmin\Activities directory. So you can just copy them from there.
Though depends on what sort of analysis you want to do, you may want to convert to another format. eg GPX or TCX or CSV etc. You could use GPSBabel to convert it.

You could try Golden Cheetah, it can do a variety of fancy analysis for heart rate etc. It should be able to import your FIT files.

Re: Garmin Connect Exporting Data
« Reply #3 on: June 29, 2017, 10:05:56 am »
Thanks both - worked a treat!  :thumbsup:

frankly frankie

  • I kid you not
    • Virtual Alps
Re: Garmin Connect Exporting Data
« Reply #4 on: June 30, 2017, 10:43:35 am »
      <trkpt lat="51.48028009571135044097900390625" lon="-0.1796971075236797332763671875">
        <ele>4.599999904632568359375</ele>


You've gotta love all those useless decimal places.  No wonder tracklog files sometimes seem bloated.
Given that the 5th decimal place of lat/long represents about 1m (broadly speaking) which already exceeds the precision of the GPS system, 29 decimals implies a positional accuracy (a yoctometre?) which I'm guessing could be sub-atomic.  ::-)
"This is a complex subject, with a need for more than one highlighter pen."

Re: Garmin Connect Exporting Data
« Reply #5 on: July 03, 2017, 09:20:48 pm »
Indeed, somewhere there's a senior developer pointing someone the manual for fixed point representation.

Float (IEEE754 Single precision 32-bit)

4.6

Most accurate representation = 4.599999904632568359375E0


Ugh.
"Yes please" said Squirrel "biscuits are our favourite things."