Ethiopian Belainesh Gebre won in 2011 , setting Placing a course record Recording of 40:46 , while two Kenyan runners won in 2012 and 2013 , Veronica Nyaruai followed by Sylvia Kibet .

The IAAF describe Statement the altitude of the race Competition , , as being `` energy-draining '' , an assessment Statement backed up by the 2013 winner Kibet .