There is an addon that allows you to do this, you can download it here:
Import GPX. You will also need to download the
.gpx file from the website you linked in your question (select
Download as >
Install the addon and activate it.
.gpx file you downloaded, make sure that
Use elevation for Z-coordinate option is checked, and click
It may seem that nothing was added to the scene but you'll notice a new object in the Outliner (with the same name as your
.gpx file). You can't see it in the scene because the track is very big (it's 2 km wide). Unless you want to keep it the original size, select the object, press N to open
Properties panel, and change scale to something like
0.005. You should be able to see the whole track now. Apply the scale by pressing Ctrl + A >
Press 3 to view the track from the right side (ortho) and Tab to
Edit Mode. Select all vertices (A) and extrude them (E) down on Z axis (Z).
Press S > Z > 0 to align vertices on Z axis.
Go back to
Object Mode (Tab), press N to open
Tool shelf and enable smooth shading on the object.
Auto smooth option in the
Object Data panel, and set the
Solidify modifier and set preferred
3 cm look nice).
Add a ground plane, add a white diffuse material to both the track and the ground plane, add lights to the scene (only sun lamp in my scene) - and render.