The Gadgetbridge app can export running GPS data from smartwatches and milkha can present the data in the form of stats, tables and graphs.
Android SDK version 26 (for the datetime features)
Install from f-droid or play store, or by directly downloading the apk from under releases.
Navigate to the Activities list under gadgetbridge and click on a run, it should load in milkha.
This project is licensed under the MIT license - see the LICENSE.md file for details.