My turn - corrupted file..tried online fix tools and only seem to be able to get the first 4.7 miles of 5.5 mile run :(

This will work - 

Download then import into Garmin Connect using the import data page

Repaired using Fit File Repair Tool.

Some tips to help minimize the occurrence of corrupt fit files:

• After verifying that everything has synced, remove the files in the \GARMIN\ACTIVITY folder on the device’s file system using these directions: Removing Recorded Activities on a Garmin Fitness Device If you're using a Mac computer, empty the trash folder before you unplug your device from the computer.
• Try to avoid excessive button presses during your activity.
• Regularly check for firmware updates using Garmin Express
• If issues with corrupt files persist, contact Garmin Support.