This is the route's stored track. Click it to add a stop, drag a marker to move one — anywhere along the line, not just on its points — and Remove to take one out.
drawn in the route builder — 55 mi, 261 points. Replace the GPX
Click anywhere on the orange track to add a stop there, and drag a marker to move one. A stop lands wherever you put it along the line — it is not pushed to the nearest point of the file — so it can be set to the exact entrance rather than to somewhere near it. Stops must run in order along the route.