Cozmo,
I've got Sport track and my elevation change comes in a 9.5 inches. Could've kept going, but due to sighting issues on one area of the track I didn't. As long as the base that the track sits on is smooth, shouldn't be a problem. The only issue I can think of is that the track "shrinks" as you climb. Meaning the layout somewhere may not line up exactly, or have a gap between tracks. Both of those are easily fixed though.
Good luck and keep us posted.
I've got Sport track and my elevation change comes in a 9.5 inches. Could've kept going, but due to sighting issues on one area of the track I didn't. As long as the base that the track sits on is smooth, shouldn't be a problem. The only issue I can think of is that the track "shrinks" as you climb. Meaning the layout somewhere may not line up exactly, or have a gap between tracks. Both of those are easily fixed though.
Good luck and keep us posted.