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TODAY 22,500 PEOPLE will be taking part in the Dublin Marathon and roads around the city have been closed to make way for the route.
The course starts on Leeson Street and then runs north through the city centre, turns left along Arran Quay and then up through Smithfield and on to the Phoenix Park.
After the Park, the route turns back towards town at Castleknock, runs into Chapelizod and then on to South Circular Road via Sarsfield Road.
Click here to view a larger version of the map
It then turns right at Dolphin’s Barn and runs along the Crumlin Road before turning into Kimmage.
From there the course takes runners through Bushy Park, down Orwell Road and into Milltown, before turning right into Clonskeagh, round UCD and back towards the finish line via Nutley Lane and then Merion Road.
⛔️Dublin City Marathon - Campus Access ⛔️
— UCD Sport (@ucdsportsclubs) October 20, 2025
Please be aware of major traffic disruption and road closures around the UCD Belfield campus this Sunday October 26th for the Irish Life Dublin Marathon.
🕣 Closures: ~08:30 – 17:30
🚗 No vehicle access via N11/Stillorgan Rd, Roebuck… pic.twitter.com/Q8wIJoXB3p
The finish line is on Mount Street Upper.
You can see the full list of closures and times here and a high quality version of the route map here.
The timings of the road closures are staggered, mostly starting at around 8am, but some of the city centre streets will have been closed from very early this morning.
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