Optionaldist?: numberSpecified (override) distance of course (in km)
Optionalgain?: numberSpecified (override) gain of course (in meters)
Optionalloops?: numberNumber of loops
Optionalloss?: numberSpecified (override) loss of course (in meters)
Optionalsites?: SiteData[]List of sites along course to create waypoints
Optionalterrain?: {Terrain data
Course data