Converting IGC to NASA World Wind track files 

http://worldwind.arc.nasa.gov/

Menu Convert / IGC / IGC>WW  or  Convert / WORLDWIND/IGC>WW

creates a new Layer entry in World Wind file structure called GPSTP

Turnpoints of a Competition to World Wind

Menu Convert / WORLDWIND/Turnpoints   creates a Layer called Competition ID, like PP2005,  with the turnpoints in it