there are quite a few other threads relating to this issue that has come about recently with data being overwritten and also displayed in my day tile but not in details or GC web have a look around the forums (start with index scale and GCM IOS sections) if you can not find let me know i will try and look up it is a frustrating issue as i weigh daily then inside an hr or so gets overwritten i suspect this is also affecting VO2Max calc and possibly training load and thus status