Activities are stored in the FIT format, which is publicly documented and they have a rather easy to use sdk available for it as well[0]. Its fairly trivial to

Activities are stored in the FIT format, which is publicly documented and they have a rather easy to use sdk available for it as well[0]. Its fairly trivial to get other daily metrics out of the watch as well using Connect IQ, you can even write out to a plain text log file if you want. [0]: https://www.thisisant.com/resources/fit/ https://www.thisisant.com/resources/fit/