Half Marathons In & Near Cardiff 2026 - 2027
Half Marathons Found In & Near Cardiff
Find your next challenge with the most comprehensive list of Half Marathons in and near Cardiff in 2026 - 2027. Enjoy a diverse mix of city runs and scenic country races in and around the Welsh capital. For even more options, discover more Half Marathon events in Swansea, Bristol, and Cheltenham.
Boost your training efforts for half marathons with Cardiff 10k races or take a look at an even bigger challenge with our calendar of Cardiff Marathons.
Top Tip: Viewing this page in the default “Featured View” will show you all the Best Half Marathons in and around Cardiff. If you’re ready to set yourself a challenge right now then switching to “Bookable view” will show you those that can be booked instantly and securely through Find A Race. Guarantee your place today and get training :-)
Cardiff
The Cardiff 5k, 10k and Half Marathon Winter Warmer Run
Sun 31st Jan 2027
4.9
from £25.00
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£35.00
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£35.00
£12.94
from £18.00
£35.00
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£35.00
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Showing 1–23 of 23 events