The 2025 event has concluded.

Belfast City Half Marathon

Belfast, Ireland, UK • September 21, 2025
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rain Partly cloudy throughout the day with rain.

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When is the 2025 Belfast City Half Marathon?

The 2025 Belfast City Half Marathon will be held on Sunday September 21, 2025.

Historical Weather

Based on 11 years of data
Avg Temp
61°F
L:55°H:61°
RunScore
8
Conditions
Rain Freq
64%
7 of 11 yrs
Wind9mph
Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2024 Belfast City Half Marathon

Partly cloudy throughout the day with early morning rain.

2024
partly-cloudy-day
55°/61°-
9

2023 Belfast City Half Marathon

Cloudy skies throughout the day with a chance of rain throughout the day.

2023
rain
57°/61°Light
8

2022 Belfast City Half Marathon

Partly cloudy throughout the day with rain.

2022
partly-cloudy-day
52°/61°Light
9

2021 Belfast City Half Marathon

Partly cloudy throughout the day with rain.

2021
cloudy
50°/57°Light
8

2019 Belfast City Half Marathon

Partly cloudy throughout the day with rain.

2019
clear-day
61°/63°Light
8

2018 Belfast City Half Marathon

Clear conditions throughout the day with rain.

2018
clear-day
48°/54°Light
7

2017 Belfast City Half Marathon

Clearing in the afternoon with rain.

2017
partly-cloudy-day
54°/61°Light
8

2016 Belfast City Half Marathon

Partly cloudy throughout the day.

2016
partly-cloudy-day
54°/66°-
9

2015 Belfast City Half Marathon

Partly cloudy throughout the day with rain.

2015
partly-cloudy-day
54°/59°Light
8

2014 Belfast City Half Marathon

Partly cloudy throughout the day.

2014
partly-cloudy-day
57°/61°-
8

2013 Belfast City Half Marathon

Partly cloudy throughout the day.

2013
partly-cloudy-day
61°/66°-
8
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