What happens if I forget to log my KMs? 17 May 2023 05:51 Updated That's ok - you can manually add in any past activity that you've completed. Simply log into your dashboard, go to "My Fitness Activity", select the date you'd like to update, add in your KMs and hit "Save Changes". Related articles Can I start logging my kilometres before October? Why can't I see my KMs even though I am synced with Fitbit/Garmin? What if I can’t walk 40km? How do I update my KM goal? How do I log my kilometres online?