Cardiff Half Marathon 2025

Join our Cardiff Half marathon team and run with us on Sunday 5 October to help stop MS.

Take on the iconic 13.1 mile route through the capital of Wales! We would love to have you on our team.

Get an MS Society charity place

Secure your place today for £35 when you pledge to raise a minimum of £250 in sponsorship (excluding Gift Aid) to support our work. 

Sign up for a charity place

Join with your own place

If you already have your own place in this event, we would love to have you on our team! Sign up below to register and we will send you a running vest and fundraising pack. There is no minimum sponsorship target, just raise as much as you can.

Register with your own place

Your MS Superstar VIP Package 

When you fundraise with us you’ll receive:

  • a personalised MS Society running vest
  • a welcome pack including fundraising tips and materials
  • support from our dedicated events team to help you achieve your goal
  • the loudest cheer squads along the route

Read our events terms and conditions