The Recent list temporarily stores your last 50 entries. Once you locate 50 places, the oldest entry disappears and the newest location is added to the top.
Recent locations can be added to your Saved Waypoints. You cannot delete individual items from the Recent list.
1. Touch Where To 
2. Touch Recent
3. Touch the location you want to save
4. Touch the 
info button
5. Touch Save
6. Type a name if desired and touch Done
The location may now be accessed in your device's Waypoints folder. Repeat these steps as needed.
1. Touch Where To
2. Touch Recent
3. Touch the menu button (three horizontal lines)
4. Touch Clear
5. Touch Yes
The Recent list is now cleared.