Coyle and Sweetnam strugglepublished at 10:34 British Summer Time 6 August
Individual jumping final
Team Ireland's representatives in this final, Daniel Coyle and Shane Sweetnam, are also out of the medal hunt as they fail to go clear.
The duo qualified in second and third positions but Coyle, who is from Derry in Northern Ireland, and his horse legacy had to retire while Sweetnam had 12 penalties.