Does GC allow you to do this? The new version of connect doesn't seem to allow for input of resting heart rate. Customizing the HR zones to my own calculated numbers (default 61, 69, 76, 83, 90, and 100%) to reflect %HRR then changes the number in the % of Max filed. Fenix 3 has data fields allowing you to see your numbers as a %HRR, and you can set custom zones based on the %HRR from my entered MHR and RHR, but it doesn't seem to correlate to the website after a sync. Shows up on the iPhone app, but not the GC website.
I'm trying to set up my zones properly to better behave myself during long runs for a 100 miler and I'm working on time in zone rather than just getting the miles in as quickly as I can.
