Thousands of runners are gearing up for the Dublin City Half Marathon, scheduled to take place on Sunday, May 3, 2026, starting at 8:30 AM on O’Connell Street.
Why it matters: The Dublin City Half Marathon is a major annual event that promotes health and fitness and impacts public transport and road access in the city. With 13,200 participants expected, it’s a highlight for both runners and spectators.
The race route spans 21.1 kilometers (13.1 miles), starting on O’Connell Street and finishing on Guild Street in the North East Inner-City.
This year’s event is sold out, with entries increased following a ballot system.
Runners will experience a scenic course through Dublin, passing landmarks like Croke Park before reaching the coastal areas of Raheny and Clontarf.
Driving the news: As the marathon approaches, extensive road closures and public transport diversions are set to affect Dublin's traffic flow.
O’Connell Street will be closed southbound from 3:00 AM to 1:00 PM and northbound from 6:30 AM to 10:30 AM.
Talbot Street and Marlborough Street will be closed from 6:00 AM to 10:30 AM, with Parnell Street closed from 8:00 AM to 10:30 AM.
Parts of the north docklands and Guild Street area will remain closed from midnight Saturday until 6:00 PM Sunday.
State of play: Public transport services will be significantly disrupted due to the marathon.
Almost 30 Dublin Bus routes will experience diversions and delays, particularly those operating through the city center and northside.
The Luas Red Line will have a temporary partial closure from Heuston to Tallaght and Saggart due to engineering works, with no tram service between Heuston and The Point until approximately 9:45 AM.
The Luas Green Line will not operate between St Stephen’s Green and Dominick from 7:00 AM to 9:30 AM.
The big picture: The Dublin City Half Marathon has become a staple event in the city's calendar, drawing thousands of participants and spectators each year.
This year marks the second consecutive sell-out of the event, highlighting its growing popularity.
Water stations will be strategically placed at 5 km, 10 km, 14 km, and 18 km, with Lucozade available at the 13 km mark.
Entertainment and cheer zones will be featured along the route, enhancing the festive atmosphere for runners and supporters alike.
What they're saying: Organizers are urging participants and spectators to plan their journeys carefully due to expected disruptions.
“We encourage everyone to use public transport where possible and to allow extra time for their journeys,” an event spokesperson said.
Participants have been reminded that race numbers are non-transferable and must be worn visibly during the race.
By the numbers: The event is expected to draw a large crowd, affecting the city significantly.
13,200 participants will take part in the race, with entry numbers increased this year.
Road closures will impact major thoroughfares for over 10 hours on race day.
Water stations will provide refreshments at four key points along the route, ensuring runners stay hydrated.
Between the lines: The Dublin City Half Marathon is more than just a race; it’s a community event that fosters local engagement and supports health initiatives.
Many participants are expected to run for charitable causes, contributing to various local organizations.
The event also promotes tourism, attracting visitors who wish to participate or support their friends and family.
What's next: As race day approaches, final preparations are underway to accommodate participants and spectators.
Detailed maps of the race route and road closures will be published closer to the event date.
Participants are encouraged to arrive early to avoid last-minute rushes and to familiarize themselves with the start area.
Updates on public transport schedules and road conditions will be provided leading up to the marathon.
The Dublin City Half Marathon will likely be an exciting day for runners and spectators alike, with a vibrant atmosphere expected throughout the city as the event draws near.