To manually upload a workout file into MapMyFitness, visit the MapMy Import Page and select the last widget that reads "Import From .tcx, .gpx, .fit, or .hrm." From here, you'll be asked to select the file from your computer to have it import into your MapMyFitness account.
Activity syncs incorrectly from file import to MapMyFitness
Most workout data is accepted for most file imports. We currently accept the following file formats:
Even if a file type is one we accept, there are a handful of exceptions to our ability to import these files. For instance, if a TCX or GPX file doesn't include time-series data or GPS data then it most likely will not import to our system. Many times converted files will not upload in our system either.
Additionally, some workout systems measure statistics differently, which can lead to differences in workout stats for things like elevation gain or splits. We do not always have a good fix for these discrepancies but hope to cut down on these sorts of stats differences as we standardize practices and grow with our partners.