Dublin Marathon
Dublin, Ireland · Sunday 25 October 2026
The Dublin Marathon is an annual long-distance running event held in the city of Dublin, Ireland. The race is organized with a highly coordinated structure, featuring five staggered start times to accommodate the large number of participants and ensure a smooth flow throughout the race. The official start is on Leeson Street Lower and the finish is located on Mount Street Upper, maintaining its route predominantly within central Dublin.
Difficulty Calculator
h
:m
:s
Adjusted Time
3:58:13
Time difference: -1.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain202m
Elevation High72m
Elevation Low6m
Weather Forecast
High12°C
Low5°C
Chance of Rain49%
How hard is Dublin Marathon?
Moderateharder than 32% of marathons
Flattest / easiestHardest
On our difficulty model, Dublin Marathon plays about 2 minutes slower than an average road marathon for a 3:30 runner. It ranks #783 hardest of 1150 marathons we analyse, and #9 of 11 in Ireland. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Dublin Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Dublin Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:56:38 | −03:22 |
| 3:30:00 | 3:27:23 | −02:37 |
| 4:00:00 | 3:58:13 | −01:47 |
| 4:30:00 | 4:29:09 | −00:51 |
| 5:00:00 | 5:00:09 | +00:09 |
| 5:30:00 | 5:31:14 | +01:14 |
| 6:00:00 | 6:02:23 | +02:23 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Dublin Marathon 2026 Course Analysis
Dublin Marathon is a full marathon held in Dublin, Ireland. It is scheduled for Sunday 25 October 2026. The course is run on road surface with 202m of total climbing, with its high point near 72m above sea level. For registration and full race details, visit the official Dublin Marathon website.
Elevation Profile
With 202m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for October, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 5°C to 12°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (49%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Dublin Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Dublin Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Dublin Marathon fits your goal, these courses play out about the same on our difficulty model.