At the 2011 World Championships in Athletics, out of the six men from Ireland who participated in the event, only two men namely Ciaran O'Lionaird (1500 meters) and Alistair Ian Cragg (5000 meters) were able to finish the finals.
1500 metres Ciaran O'Lionaird 3:37.81 5000 metres Alistair Ian Cragg 13:45.33 Jason Smyth Paul Hession Colin Griffin Robert Heffernan Did not advance Did not advance DSQ DNS 
