I want to inform community, that Navmin allow now not only import tcx files to Garmin, but also convert Tcx routes to Segment and import that segment to Garmin.
You can found Navmin here:
https://apps.garmin.com/pl-PL/apps/2...f-a1c06fccdcc6
https://apps.garmin.com/pl-PL/apps/5...c-867b5fa392bb
https://play.google.com/store/apps/d...tion.pl.navmin