
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. Runners are given a generous seven-hour window to complete
Adjusted Time
3:55:38
Time difference: -4.4 minutes compared to a flat, road, temperate course.
Dublin Marathon is a full marathon held in Dublin, Ireland, scheduled for Sunday 25 October 2026. The course is run on road surface with 202m of total elevation gain, reaching a maximum altitude of 72m above sea level. For registration and full race details, visit the official Dublin Marathon website.
With 202m of elevation gain, this is a moderately undulating course. The route ranges from 6m to 72m above sea level (66m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
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.
Dublin Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Dublin Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
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.
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