The 2026 Belfast City Marathon has concluded.Share your finish
Belfast City Marathon
Race complete
Belfast, Ireland, UK · May 3, 2026
Race Day Weather
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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Distance: 26.2mi
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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.