Weather
Climate Avg| Time | Temp | Dew Pt | Humidity | Wind | Conditions |
|---|---|---|---|---|---|
| Start | 41.8 – 43.9°F | 40° Ideal | 81 – 100% | 9 mph SW | Partly cloudy |
| 8:00 AM | 39.9 – 43.1°F | 39° Crisp | 80 – 100% | 8 mph SW | Drizzle |
| 9:00 AM | 43 – 55.3°F | 46° Ideal | 78 – 99% | 10 mph N | Drizzle |
| 10:00 AM | 44 – 55.7°F | 45° Ideal | 71 – 97% | 11 mph N | Clear sky |
| 11:00 AM | 45.8 – 57.7°F | 46° Ideal | 69 – 93% | 13 mph NE | Clear sky |
| Finish | 47 – 58.5°F | 46° Ideal | 68 – 90% | 13 mph N | Partly cloudy |
Based on 3-year average for this date. Real forecast available in 85 days.
Elevation Profile
Course Stats
Mile Splits
| Mile | Grade |
|---|---|
| 1 | +0.3% |
| 2 | -0.6% |
| 3 | +0.1% |
| 4 | -0.2% |
| 5 | +0.8% |
| 6 | +1.4% |
| 7 | +0.5% |
| 8 | +0.6% |
| 9 | -0.5% |
| 10 | +0.2% |
| 11 | -0.7% |
| 12 | -0.7% |
| 13 | -1.2% |
| 14 | +0.6% |
| 15 | -0.8% |
| 16 | +1.1% |
| 17 | -0.1% |
| 18 | -1.0% |
| 19 | +0.7% |
| 20 | -0.1% |
| 21 | +0.4% |
| 22 | +0.5% |
| 23 | -0.2% |
| 24 | +0.2% |
| 25 | +0.1% |
| 26 | -0.6% |
| 27 | +1.3% |
RM Difficulty Index
Race-Day Weather History
Race-morning conditions on this date over the past 5 years: median 48°F with a 43°F dew point and 8 mph wind. Heat has rarely been a factor.
| Year | Temp | Dew Pt | Wind | Rain | Sky |
|---|---|---|---|---|---|
| 2025 | 44°F | 37°F | 12 mph | — | Drizzle |
| 2024 | 55°F | 55°F | 8 mph | 0.05" | Drizzle |
| 2023 | 43°F | 43°F | 3 mph | — | Partly cloudy |
| 2022 | 52°F | 48°F | 7 mph | — | Partly cloudy |
| 2021 | 48°F | 43°F | 11 mph | — | Partly cloudy |
Morning conditions (race window) on the Dublin Marathon calendar date each year, from the ERA5 reanalysis archive — the race’s usual slot, not necessarily each edition’s exact day.
Dublin Marathon FAQ
When is the next Dublin Marathon?›
The next Dublin Marathon is on Sunday, October 25, 2026.
How long is the Dublin Marathon?›
The Dublin Marathon is 26.2 miles (42.195 km), the standard marathon distance. It runs in Dublin, Ireland.
How much elevation gain does the Dublin Marathon have?›
The Dublin Marathon has about 975 ft (297 m) of climbing and 927 ft of descent, with a maximum grade of 10.1%.
Is the Dublin Marathon flat, downhill, or hilly?›
The Dublin Marathon finishes 49 ft (15 m) higher than it starts and climbs 975 ft in total.
How hard is the Dublin Marathon?›
Runner's Math scores the Dublin Marathon 43/100 (Challenging) — #9 of 38 marathon courses in our library, ranked by modeled time cost. The profile costs about 1:36 versus a flat course for a runner at 4:00-marathon pace.
What's the weather usually like at the Dublin Marathon?›
Over the past 5 years on this date, median race-morning conditions were 48°F with a 43°F dew point and 8 mph wind. Heat has rarely been a factor.