Garmin import issues

Import of Garmin 910xt GPS data slows over time as .FIT files accumulate on your machine.   If you archive the older ones by moving them to a separate directory, import works much better.

https://support.garmin.com/support/searchSupport/case.faces?caseId=%7B6e1aa610-6d25-11dc-6782-000000000000%7D