Sports & Recreation

Ironman 70.3 Dun Laoghaire - route information

Tuesday, August 14, 2018
dlr County
Intro Text 

IRONMAN 70.3 Dún Laoghaire is Ireland’s biggest triathlon in 2018 attracting athletes from all over Ireland and around the globe.

This famous race is not for the faint hearted, which features a 1.9km swim from Sandycove, home to the famous Martello Tower, in the clear waters of the Irish Sea in Dublin Bay, before bringing athletes on a spectacular and challenging 90.1km bike course, travelling through some of the most scenic areas in our county. En route, participants will take in stunning coastal views and weaving their way through the streets of Dún Laoghaire for the 21.1km run, ultimately finishing at the famous Harbour.

As always in an event of this calibre and size there will be some associated temporary road closures on the day. The Council, Ironman organisers and An Garda Siochana have attempted to keep the disruption at a minimum. Access for emergency vehicles and pedestrians will be kept open at all times. Please see links and further details below.


Avondale Road and surrounding areas

Brides Glen Road

Cherrywood Road/Mullinastill Road

Dublin Road and surrounding areas

Dún Laoghaire and surrounding areas

Kilternan and surrounding areas

Monkstown and surrounding areas



For more information on road access Email: ireland70.3@ironmanroadaccess.com / Tel: 01 531 3311 / www.ironman.com/dunlaoghaire70.3.


Temporary road closures within the dlr administrative area are as follows:


August 18th 2018, Saturday 07:00 - 19:00 hours

Link Road/R831 Marine Parade/R831 Newtownsmith/R831 Windsor Terrace/Otranto Place


August 18th 2018, 07:00 - August 19th 2018, 21:00 hours

Queen's Road


August 19th 2018, Sunday 04:00 - 19:00 hours

Link Road/R831 Marine Parade/R831 Newtownsmith/R831 Windsor Terrace


August 19th 2018, 04:00 - 09:30 hours

Park Road


August 19th 2018, 06:30 - 09:30 hours

R118 Glenageary Road Lower


August 19th 2018, 06:30 - 14:00 hours

R118 Sallyglen (from Glenageary Roundabout to Graduate Roundabout)


August 19th 2018, 06:30 - 09:45 hours

R118 Church Road - Westbound Lane (from Graduate Roundabout to Wyattville Road)/R188 Wyattville Road - Westbound lane (from Church to the N11)


August 19th 2018, 06:45 - 09:45 hours

N11 - One lane southbound (from Wyattville Road to M11/Dublin Road R837)/R837 Dublin Road (from the N11 to Stonebridge Road/Stonebridge Road


August 19th 2018, 06:30 - 10:15 hours

Rathmichael Road/R116 Ballycorus Road (open Westbound towards R117 Enniskerry Road only from 10:15)


August 19th 2018, 06:30 - 13:30 hours

R116 Ballycorus Road - Eastbound only (from R117 Enniskerry Road to Rathmichael Church)/Stonebridge Road - Northbound only from Rathmichael Church to Mulinastill Road/Mulinastill Road - from Stonebridge Road to Cherrywood Road


August 19th 2018, 07:15 - 10:15 hours

R117 Enniskerry Road (from R116 Ballybetagh Road to the Wicklow County Boundary)


August 19th 2018, 08:30 - 13:00 hours

R115 Old Military Road (from Wicklow County Boundary to South Dublin County Boundary)


August 19th 2018, 8:30 - 13:15 hours

R116 (from Cruagh Road through Ballybrack Road and Ballybetagh Road to R117 Enniskerry Road


August 19th 2018, 08:45 - 13:45 hours

R116 Cherrywood Road/Bray Road (from Cherrywood Road for its entirety north)/N11 - northbound off ramp to Wyattville Road


August 19th 2018, 07:00 - 13:45 hours

R118 Wyattville Road - northbound only (from the N11 to Church Road)/R118 Church Road - northbound only (from Wyattville Road to the Graduate Roundabout)


August 19th 2018, 09:00 - 14:00 hours

Avondale Road (from the Graduate Roundabout to Glenageary Road Upper)/Glenageary Road Upper (from Killiney Roundabout to Adelaide Road)/Adelaide Road


August 19th 2018, 09:00 - 17:00 hours

Harbour Road, Old Dun Leary Road (Clarence Street to Longford Terrace)