Watch – Donegal 555 features on Global Cycling Network

Conor Dunne of GCN recently took on the challenge of the Donegal Ultra 555.

Conor has ridden some brutal races at the top level of cycling in his career but his attempt at the 555km around one of Ireland's most remote counties proved to be the most difficult bike ride of his life.

Watch Conor's feature on Donegal below.