Cardiff Half Marathon – Sunday 4th October 2026.

The Cardiff Half Marathon has grown into one of the largest road races in the UK, taking you and 29,000 others through the beautiful scenery and historic buildings of the city centre.

The route will take you past some of the Welsh capital's most iconic landmarks, with stunning scenery and beautiful buildings. Along the way you will pass the glorious Penarth Marina before crossing the barrage and heading to Cardiff Bay, where you will run right through the heart of the bay taking in the Norwegian Church and the Wales Millenium Centre. 

The flat roads along this course make this the perfect race for experienced and novice runners alike.

Event Details
When: Sunday 4th October 2026
Where: Cardiff, Wales.
Distance:  13.1 miles / 21.1 km
Registration Fee: £35.00
Sponsorship Pledge*: £350.00

To help you stay on track and ensure all fundraising targets are met in good time, please note the following checkpoints for your sponsorship pledge:

• 25% of your sponsorship pledge is due 6 months prior to the event date
• 50% of your sponsorship pledge is due 3 months prior to the event dat
• 80-90% of your sponsorship pledge is due 1 month prior to the event date

Any remaining fundraising balance (if applicable) must be received no later than 2 weeks after the event date. 

Failure to meet these fundraising deadlines may result in your event entry being withdrawn.

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