Denis Chevrot has won Dublin's first ever Ironman race, in a time of 4 hours 1 minute and 35 seconds.
Susie Cheethman was the first female to cross finish line.
All roads closures have now been lifted following the event, which continues through parts of Meath and Kildare.
Thousands turned out to watch the 2,500 triathletes compete.
Esther O' Moore Donohoe, Broadcaster with AA Roadwatch, has this update:
