The 2026 Belfast City Marathon has concluded.Share your finish

Belfast City Marathon

Race complete
Belfast, Ireland, UK · May 3, 2026
partly-cloudy-day52°·54° high·Breezy·Dry
8
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Race Day Weather

partly-cloudy-day
52°at start
54° high
Breezy
Dry

Cool temps, manageable winds

Runners will face temperatures starting at 52°F and only rising to 54°F, with high humidity at 88%. Winds will shift from tailwinds to headwinds throughout the race, particularly between miles 15-25 where headwinds will challenge runners. With the cool conditions, runners should maintain their pace but be mindful of hydration due to the humidity.

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Pace Calculator

Distance: 26.2mi
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Race Plan

Get your personalized Belfast City Marathon race plan

Weather-adjusted pacing, per-mile terrain splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.

Race Conditions
Terrain Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

FAQ

When is the 2026 Belfast City Marathon?

The 2026 Belfast City Marathon will be held on Sunday May 3, 2026.

Is the Belfast City Marathon a Boston Marathon Qualifier?

Yes, the Belfast City Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Belfast City Marathon?

The forecast calls for a high of 54°F and a low of 50°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 22 years of data
Avg Temp
56°F
L:49° H:57°
RunScore
8
Conditions
Rain Freq
41%
9 of 22 yrs
Wind13mph
Dew43°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
partly-cloudy-day
50°/54°-
8
2024
cloudy
54°/59°-
9
2023
rain
54°/63°Light
8
2022
rain
50°/56°Light
8
2019
partly-cloudy-day
45°/50°-
8
2018
cloudy
50°/66°-
9
2017
partly-cloudy-day
52°/63°-
8
2016
partly-cloudy-day
47°/54°Light
6
2015
partly-cloudy-day
50°/57°-
7
2014
partly-cloudy-day
50°/54°Light
6
2013
partly-cloudy-day
54°/60°-
8
2012
partly-cloudy-day
43°/48°Light
6
2011
clear-day
54°/61°-
7
2010
partly-cloudy-day
48°/54°-
8
2009
partly-cloudy-day
50°/54°Light
6
2008
partly-cloudy-day
49°/61°-
8
2007
partly-cloudy-day
50°/57°Light
6
2006
partly-cloudy-day
45°/52°Light
7
2005
partly-cloudy-day
54°/61°-
8
2004
partly-cloudy-day
47°/52°Light
8
2002
partly-cloudy-day
48°/56°-
7
2001
partly-cloudy-day
48°/59°-
9