Run like you've never run before in this fast-paced, flat, iconic road race around Wales' Capital City and help raise funds for seriously ill children.
Event details
Half marathon
Sunday 01 October 2023
Cardiff, Wales
Fundraising pledge: £350
Registration fee: £20
The Cardiff Half Marathon is the second biggest in the UK and is part of the SuperHalfs Half Marathon series. The route takes you past beautiful scenery and the city’s most iconic landmarks including Cardiff Castle. The predominately flat and fast course makes it ideal for beginners and elites. With the event celebrating its 20th anniversary in 2023, you can be sure to expect a carnival atmosphere to celebrate the occasion.
How to secure your place
Register your interest for one of our TeamGOSH Charity places and be the first to know when registration opens.
Registration fee: £20
Minimum fundraising: £350 (excluding Gift Aid)
Already have a Cardiff Half 2023 place?
If you have already secured your own place directly through the organisers, we'd love for you to join our team and fundraise to help seriously ill children at Great Ormond Street Hospital (GOSH).
There is no minimum fundraising commitment; we would only ask you to raise what you can. Both charity place and own place runners receive the same amazing support from our dedicated team.

Why we need you
Great Ormond Street Hospital Children’s Charity (GOSH Charity) needs your support more than ever. By fundraising, you'll help to fund:
- groundbreaking research
- advanced equipment
- children and family support services
- the rebuilding and refurbishment of wards and medical facilities within the hospital.
Why run for GOSH in Cardiff Half 2023?
When you run for GOSH, you'll receive:
A free GOSH running top.
A digital welcome pack full of tips, advice and fundraising materials.
Access to professional training plans.
Dedicated support from GOSH Charity's Challenge Events team.