The Celtic Challenge is an inter-federation print and PDI competition between the Celtic federations.
Those normally participating are South Wales (WPF), North Wales (NWPA), Northern reland (NIPA), Replublic of Ireland (EIRE), Isle of Man (IOM), Scotland (SPF) and Cornwall (CWL).
The event normally takes place in October with each federation taking turns to host the event.
An example of The Celtic Challenge Event hosted by the Scottish Federation in 2017 can be see HERE.