The race are run over a variety of landscapes .
The course features breathtaking scenery of mountains , bog - lands , sea and the islands of Inisturk , Clare Island and the many other islands of Clew Bay .
The race are run over a variety of landscapes and the course features breathtaking scenery of mountains , bog - lands , sea and the islands of Inisturk , Clare Island and the many other islands of Clew Bay .