Dublin Marathon

Dublin Marathon

Dublin, County Dublin, Ireland

Overview

The Dublin Marathon is one of the world's largest marathons, drawing approximately 20k finishers on an urban road in Dublin, Ireland. The course starts in Fitzwilliam Square and finishes on Merrion Square. The route passes Trinity College, Phoenix Park, the Liffey quays, and Christ Church Cathedral. Mostly flat with gentle undulations on Liffey bridge crossings.

Dublin Marathon is a certified 42.195 km (26.2 mile) marathon — the standard World Athletics marathon distance.

Dublin Marathon 2026 race day

The next Dublin Marathon is scheduled for Sunday, 25 October 2026 with a 8:45 am start. The certified course covers 42.195 km (26.2 miles) with 208 m of climbing on a mostly flat with gentle undulations layout.

Dublin Marathon course route

The Dublin Marathon is a city loop that starts near Fitzwilliam Square and finishes on Merrion Square, passing Trinity College, Phoenix Park, the Liberties, Rathgar, and the Liffey quays. Gentle bridge undulations are the main terrain change, and the biggest support comes on the quays, through Temple Bar, around Phoenix Park, and in the grandstand finish on Merrion Square.

Dublin Marathon route map

Dublin Marathon course map and route

Official course map — view on race website

Dublin Marathon elevation profile

The Dublin Marathon course is mostly flat with gentle undulations over 42.195 km (26.2 miles). Runners cover 208 metres of climbing and 214 metres of descent, with a net descent of 6 metres from start to finish.

Entry requirements

The Irish Life Dublin Marathon is held on the last Monday of October — the October Bank Holiday, which is a public holiday in Ireland. Entry is by ballot, typically opening in January or February with results announced a few months later. The field is approximately 20,000 runners, and the ballot is heavily oversubscribed; apply as early as possible when the window opens. The holiday timing is a key reason for the extraordinary crowd turnout — most Dubliners have the day off work.

Dublin Marathon course video

Race-day footage from the course to help you picture the route, crowds, and key landmarks on marathon day.

Irish Life Dublin Marathon Dublin Introduction

Frequently Asked Questions

What is the Dublin Marathon elevation profile?
The Dublin Marathon has 208 metres of total climbing and 214 metres of descent over 42.195 km (26.2 miles). The course is mostly flat with gentle undulations, with 6 metres of net descent from start to finish.
Where can I find the Dublin Marathon route map?
This page includes a Dublin Marathon course map showing the full 42.195 km route from start to finish. The official course map is published at irishlifedublinmarathon.ie/course-and-start-finish/. Passes Trinity College, Phoenix Park, the Liffey quays, and Christ Church Cathedral.
How long is the Dublin Marathon?
The Dublin Marathon is the standard marathon distance of 42.195 kilometres (26.2 miles), certified to World Athletics rules. Starts in Fitzwilliam Square and finishes on Merrion Square.
What time does the Dublin Marathon start?
The 2026 Dublin Marathon starts at 8:45 am local time on Sunday, 25 October 2026. Arrive early for baggage drop and corral access — official race communications on www.irishlifedublinmarathon.ie/ confirm any last-minute schedule changes.
When is the Dublin Marathon and how do I enter?
The Irish Life Dublin Marathon is held on the last Monday of October — the October Bank Holiday, which is a public holiday in Ireland. Entry is by ballot, typically opening in January or February with results announced a few months later. The field is approximately 20,000 runners, and the ballot is heavily oversubscribed; apply as early as possible when the window opens. The holiday timing is a key reason for the extraordinary crowd turnout — most Dubliners have the day off work.
What is the Dublin Marathon course route?
The course starts and finishes in the city centre near Merrion Street, looping west through Dublin's inner suburbs and Phoenix Park — one of the largest enclosed urban parks in Europe, larger than New York's Central Park — where several miles run on smooth park roads. The route also passes through the Liberties, Rathgar, Milltown, and Rathmines before returning to the city centre finish on Merrion Street, where grandstands create a genuine stadium atmosphere.
Is the Dublin Marathon a flat course?
Dublin Marathon is one of the flatter European city marathons. The course is mostly flat to gently rolling — Phoenix Park has a modest slope, and the south Dublin suburban sections have mild undulations — but there are no significant hills. Total elevation gain is under 100 metres. The smooth roads and predictable terrain make it a realistic personal-best course, and many international runners specifically target Dublin for this reason.
What is the crowd atmosphere like at Dublin Marathon?
Dublin Marathon has a legendary atmosphere driven by the October Bank Holiday — with most Dubliners having the day off, the city turns out in enormous numbers. Irish sports crowds are naturally loud and encouraging, and the marathon's 40-year history means entire families have multi-generational memories of watching or running it. Pubs along the route set up outdoor spectating areas and the craic (Irish atmosphere of fun and good cheer) is in full supply across all 26.2 miles.
What are the cut-off times and inclusivity at Dublin Marathon?
Dublin Marathon has a course time limit of 6 hours and 30 minutes, with sweeper vehicles behind the final runners. There is no minimum qualifying time — all ability levels from sub-3:00 elites to first-time walkers are welcome. Chip timing starts when each runner crosses the start mat, so the large field does not disadvantage slower starters. The race has strong charity representation and is fully accessible for wheelchair athletes, making it one of the most inclusive major marathons in Europe.

Last updated 18 July 2026. Edition dates and course details are reviewed regularly.

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