I programmed three separate custom strength-training workouts. When those workouts are complete and the watch syncs them to Garmin Connect, the activity summary adds or subtracts .1 lbs from the weight lifted. For example, if the custom workout calls for an overhead press at 10 lbs, when the activity is synced with Garmin Connect, it says the press was done with 9.9 lbs. I have corrected the workouts on Garmin Connect (both web and app) and re-downloaded them to the watch many times, with no resolution. (Forerunner 935, iPhone app, web both Windows PC and Mac OS).