Think I’m at the same point. I’ve restarted everything, checked location services are on everything. It’s not the watch, it’s the Activity app. All my workout data is on my watch and in the Health app, but not in the activity app! Doesn’t make sense. What was stranger for me is that my friend who I share my data with got immediate notification of me having completed a walk with him, award and all, yet me iPhone couldn’t tell me anything! My watch must be sharing the data correctly to the iPhone for that to happen. I refuse to lose all my old workout data, so Apple need to come up with a solution. This was caused by a watch iOS update I think as my data is missing from around the same time