Please see info below relating to the road closures around Dublin city today.
The race will then head towards Dublin city via Baldoyle, Clontarf, Alfie Byrne Road, East Wall Road, the 02, North Wall Quay, Custom House Quay and will cross the Liffey at Talbot Memorial Bridge.
It will continue down City Quay, Lombard Street, Westland Row, Lincoln Place to the finish line at Merrion Square West at around 4.30pm.
A number of road closures are in place for the event. Merrion Square West, Merrion Square South, Merrion Square East, Merrion Street Upper, Mount Street Upper and Fitzwilliam Street Lower will all be closed until 11pm tonight.
And from 1:30pm to 4:30pm there will be the following closures: the R132 from Co Meath to Balbriggan via Drogheda Street, Bridge Street, Dublin Street and Old Market Green, Mill Street, Clonard Street, Quay Street, the Skerries Road (R127) to Skerries via Balbriggan Road, Ballbriggan Street, Thomas Hand Street and the Dublin Road, the Skerries /Lusk Road (R127), Post Office Road, the R127 from Lusk to Blakes Cross, the R132 from Blakes Cross to Seatown Road, the Mantua Road, Estuary Road, The Mall in Malahide, Strand Road/ Coast Road (R106) inPortmarnock, the Coast Road (R106) towards Baldoyle, the Main Street to Dublin Road via Warrenhouse Road, the Dublin Road (R105) in Baldoyle.
Dublin Bus advises that there will be a number of diversions along some of its routes. Check Dublin Bus for details.