The tracks are removable / replaceable. You might try reversing the track (top to bottom). The track on a 16 is a bit difficult to get off the mast, so perhaps replacement would be easier as you may damage the track further removing it.
Replacement instructions:
http://www.hobiecat.com/support/pdfs/38584001.pdfThe track for the 16 is a different profile than shown, but the process is the same. Because of the 16's different shape, it is a bit harder to remove.
Replacement track is # 20616001
