Open the Samsung Health app on your phone
Open your completed activity with GPS
Tap the three dots (•••) at top right
Choose "Export as GPX file" to save
Select "RunCut" to import and create video
Samsung Health supports exporting .GPX route files for any outdoor GPS activity such as running, cycling, or hiking.
After exporting the GPX route file from Samsung Health, save it to your phone or share directly into RunCut from your device's share sheet.