I have been running with the Apple Watch for the past 3 months and I have some gripes. Note that I run indoors on a treadmill with my watch only - the iPhone is normally elsewhere in the house. No way to calibrate run from the Apple Watch - you need to calibrate from the Nike Run Club app on the iphone Heartrate data does not show in the Nike Run Club app on the iPhone. However, heart-rate information does show on the website and ironically in the Android version of the app! As such, it looks like this is a problem with the iOS app I have had two issues with runs: There was one occasion when no mileage even registered on the phone (and no heart-rate info either). This was shortly after an app update, so I am writing this off to a reboot needed I have had several occassions where the run did not appear in the iOS app and I had to wait until the next run for the previous run to be pushed to the app. Very strange behavior. For clarity sake, I ran (Run #1) and that run didn't show up in the NRC app. I then ran a second time (Run #2) and after the run, but runs showed up in the NRC app. Runs do not automatically sync with the Nike infrastructure - aside from the issues above, I find that I need to manually go into the NRC app, select the run and go into it and then back out and then I see 'Sync Pending' for that run. I then need to keep swiping down on that page to try to push the Sync through. Kind of a pain to do each time! One of the widgets on my Apple Watch face is total miles this month. When I click on that widget, it brings me to the Nike app on the watch. However, there is a lag in getting the total miles in the month updated after a run, sometimes up to 24 hours! For example, if the widget shows 20 miles and I run 3 miles, it will not update to 23 miles until sometime the next day. I do not know what triggers the update. FYI - the third screen on the watch app also does not update (which contains number of runs and number of miles). Is anyone else experiencing issues/annoyances like this? Any resolutions?