You can upload your saved activities from your Hammerhead Dashboard to your Strava and Training Peaks accounts.
To learn how to link your Strava and Training Peaks accounts to your Dashboard, see: Linking Third-Party Accounts
Here are the steps to upload activities from the Dashboard:
Click on "Activities".
Then, click on the "Share" icon next to the Activity that you want to upload.
You will get a dropdown with options to "Upload to Strava" and "Upload to Training Peaks". Click on the required option.
Once the upload is successful, you will see a small message as confirmation.