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Cardiff Half Marathon

Cardiff, Wales, United Kingdom

Partly cloudy throughout the day.

partly-cloudy-day
8
partly-cloudy-day
8
Details
partly-cloudy-day
8
Wind
13mph
partly-cloudy-day
8
Light Rain
25%
Wind
12mph
partly-cloudy-day
8
Light Rain
30%
Wind
13mph
partly-cloudy-day
6
Light Rain
25%
Wind
14mph
partly-cloudy-day
6
Light Rain
30%
Wind
14mph
partly-cloudy-day
7
Wind
14mph
partly-cloudy-day
7
Light Rain
25%
Wind
14mph
Pre-Race
Race
Post-Race
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Race Overview

The Cardiff Half Marathon is held on a Sunday in early October in Cardiff, Wales, and carries a World Athletics Elite Label. The course starts on Castle Street outside Cardiff Castle, runs past the Principality Stadium and Cardiff City Stadium to Penarth Marina and the Cardiff Bay barrage, passes the Senedd and Wales Millennium Centre, then loops Roath Park Lake before finishing on King Edward VII Avenue in the Civic Centre. Cardiff hosted the 2016 IAAF World Half Marathon Championships, and the course records are 59:22 for men (Yismaw Dillu, 2025) and 1:05:40 for women (Joyciline Jepkosgei, 2026).
Wikipedia

FAQ

When is the 2027 Cardiff Half Marathon?

The 2027 Cardiff Half Marathon will be held on Sunday October 3, 2027.

What is the time limit for the Cardiff Half Marathon?

The time limit for the Cardiff Half Marathon is 4 hours.

Cardiff Half Marathon Course Map

Loading Course Map...

Cardiff Half Marathon Weather History

Cardiff Half Marathon Weather Averages

Average Temp: 54°, Average Low: 48°, Average High: 60°
Time10AM11AM12PM1PM2PM
Temp
54°
57°
58°
59°
59°
Feel54°57°58°59°59°
Rain-----
Wind9mph
9mph
10mph
11mph
11mph
Dew50°51°51°51°51°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Cardiff Half Marathon 2026

Oct 4, 2026
Partly cloudy throughout the day.
Low: 47°, High: 63°
Time10AM11AM12PM1PM2PM
Temp
cloudy 57°
cloudy 60°
partly-cloudy-day 62°
partly-cloudy-day 62°
partly-cloudy-day 63°
Feel57°60°62°62°63°
Rain-----
Wind6mph
7mph
8mph
9mph
9mph
Dew52°55°55°55°55°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8

Cardiff Half Marathon 2025

Oct 5, 2025
Partly cloudy throughout the day.
Low: 52°, High: 59°
Time10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 55°
partly-cloudy-day 57°
cloudy 57°
partly-cloudy-day 57°
partly-cloudy-day 59°
Feel55°57°57°57°59°
Rain-----
Wind20mph
17mph
21mph
19mph
19mph
Dew48°48°48°48°48°
RunScoreRun Score: 6Run Score: 7Run Score: 6Run Score: 6Run Score: 6

Cardiff Half Marathon 2024

Oct 6, 2024
Partly cloudy throughout the day with rain.
Low: 54°, High: 58°, Heavy Rain
Time10AM11AM12PM1PM2PM
Temp
cloudy 55°
cloudy 56°
cloudy 57°
cloudy 58°
cloudy 58°
Feel55°56°57°58°58°
Rainlight--lightlight
Wind15mph
12mph
12mph
13mph
13mph
Dew54°54°55°56°56°
RunScoreRun Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Cardiff Half Marathon 2023

Oct 1, 2023
Cloudy skies throughout the day.
Low: 61°, High: 66°, Light Rain
Time10AM11AM12PM1PM2PM
Temp
cloudy 65°
cloudy 66°
cloudy 66°
cloudy 66°
cloudy 66°
Feel65°66°66°66°66°
Rain---lightlight
Wind7mph
6mph
6mph
5mph
7mph
Dew61°62°62°62°62°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Cardiff Half Marathon 2022

Oct 2, 2022
Partly cloudy throughout the day with rain clearing later.
Low: 51°, High: 64°, Moderate Rain
Time10AM11AM12PM1PM2PM
Temp
rain 57°
partly-cloudy-day 61°
partly-cloudy-day 61°
partly-cloudy-day 63°
partly-cloudy-day 63°
Feel57°61°61°63°63°
Rainlight----
Wind4mph
6mph
7mph
9mph
11mph
Dew54°55°54°52°51°
RunScoreRun Score: 7Run Score: 9Run Score: 9Run Score: 8Run Score: 8

Cardiff Half Marathon 2022

Mar 27, 2022
Clear conditions throughout the day.
Low: 46°, High: 59°
Time10AM11AM12PM1PM2PM
Temp
clear-day 51°
clear-day 54°
clear-day 56°
clear-day 57°
clear-day 59°
Feel51°54°56°57°59°
Rain-----
Wind14mph
12mph
15mph
14mph
14mph
Dew43°45°46°46°47°
RunScoreRun Score: 7Run Score: 8Run Score: 7Run Score: 7Run Score: 7

Cardiff Half Marathon 2019

Oct 6, 2019
Partly cloudy throughout the day with early morning rain.
Low: 50°, High: 59°, Heavy Rain
Time10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 57°
partly-cloudy-day 57°
partly-cloudy-day 59°
partly-cloudy-day 59°
partly-cloudy-day 59°
Feel57°57°59°59°59°
Rain---light-
Wind19mph
18mph
18mph
20mph
20mph
Dew51°51°50°49°50°
RunScoreRun Score: 6Run Score: 6Run Score: 6Run Score: 6Run Score: 6

Cardiff Half Marathon 2018

Oct 7, 2018
Partly cloudy throughout the day.
Low: 39°, High: 55°
Time10AM11AM12PM1PM2PM
Temp
clear-day 47°
clear-day 50°
clear-day 52°
clear-day 52°
clear-day 54°
Feel46°50°52°52°54°
Rain-----
Wind3mph
2mph
4mph
5mph
6mph
Dew41°41°39°41°41°
RunScoreRun Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9

Cardiff Half Marathon 2017

Oct 1, 2017
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 59°, High: 64°, Moderate Rain
Time10AM11AM12PM1PM2PM
Temp
cloudy 59°
cloudy 59°
cloudy 61°
rain 63°
cloudy 64°
Feel59°59°61°63°64°
Rain---light-
Wind7mph
9mph
9mph
10mph
11mph
Dew56°57°59°60°61°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 6Run Score: 8

Cardiff Half Marathon 2016

Oct 2, 2016
Clear conditions throughout the day.
Low: 42°, High: 61°, Light Rain
Time10AM11AM12PM1PM2PM
Temp
clear-day 53°
clear-day 56°
clear-day 57°
clear-day 59°
clear-day 58°
Feel53°56°57°59°58°
Rain-----
Wind4mph
5mph
7mph
8mph
7mph
Dew47°47°47°48°47°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Cardiff Half Marathon 2016

Mar 26, 2016
Partly cloudy throughout the day with late afternoon rain.
Low: 44°, High: 53°, Moderate Rain
Time9AM10AM11AM12PM1PM
Temp
cloudy 52°
cloudy 52°
cloudy 52°
cloudy 53°
cloudy 53°
Feel52°52°52°53°53°
Rain---light-
Wind19mph
18mph
17mph
14mph
16mph
Dew50°50°50°50°50°
RunScoreRun Score: 6Run Score: 6Run Score: 6Run Score: 7Run Score: 7

Cardiff Half Marathon 2015

Oct 4, 2015
Partly cloudy throughout the day.
Low: 45°, High: 61°
Time10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 53°
partly-cloudy-day 55°
partly-cloudy-day 57°
cloudy 57°
cloudy 58°
Feel53°55°57°57°58°
Rain-----
Wind9mph
13mph
12mph
13mph
13mph
Dew53°52°52°53°55°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Cardiff Half Marathon 2014

Oct 5, 2014
Partly cloudy throughout the day with afternoon rain.
Low: 45°, High: 60°, Light Rain
Time10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 53°
partly-cloudy-day 57°
partly-cloudy-day 58°
rain 59°
partly-cloudy-day 59°
Feel53°57°58°59°59°
Rain---light-
Wind6mph
7mph
8mph
8mph
7mph
Dew51°50°48°48°47°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 7Run Score: 9

Cardiff Half Marathon 2013

Oct 6, 2013
Partly cloudy throughout the day.
Low: 48°, High: 63°, Light Rain
Time10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 57°
partly-cloudy-day 59°
partly-cloudy-day 62°
partly-cloudy-day 62°
partly-cloudy-day 63°
Feel57°59°62°62°63°
Rain---light-
Wind2mph
4mph
5mph
7mph
9mph
Dew55°54°54°55°57°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Cardiff Half Marathon 2012

Oct 14, 2012
Partly cloudy throughout the day.
Low: 36°, High: 54°, Light Rain
Time10AM11AM12PM1PM2PM
Temp
clear-day 46°
clear-day 50°
clear-day 52°
partly-cloudy-day 53°
partly-cloudy-day 54°
Feel43°49°52°53°54°
Rain-----
Wind4mph
3mph
5mph
8mph
11mph
Dew41°41°40°43°44°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 8