From next year, applicants will be put through a ballot system, which the group says will make the process fairer.

The master of Holles Street Hospital said patients and staff were often redirected at barriers and forced on a “much more circuitous route” with one incident causing a near miss with a patient.

Colin Farrell ran the marathon to raise almost €790,000 for Debra Ireland, which supports those with Epidermolysis Bullosa (EB).

Farrell took part in the event to raise money for Debra, the national charity supporting people living with epidermolysis bullosa.