Tap the map to add points. Drag any point to move it; right-click or double-click a point to delete it.
Route tools
Shorten:mi
Repeat loop:
Move start to point #(of 0 points — for loops)
Reduce points:
Section:→
Section tools use the numbered points you placed. Uploaded GPS files have just a start and finish point — use Shorten on those instead.
Elevation profile
Add at least two points to see the elevation.