ABOUT THE CHALLENGE
Date: Sunday, 5 October 2025
Location: Cardiff
Event distance: 13.1 miles
Fundraising target: £250 (registration fee: £30)
Be part of WWF Team and secure your place in one of Europe’s largest half marathons.
Its flat, fast course passes all of the city’s most breath taking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay.
Thousands of spectators turn out to cheer on the runners in a city renowned for its sporting passion. Cardiff is a lively capital city offering unique attractions, world-class sports stadiums, vibrant entertainment, waterside eateries and seemingly endless parkland.
Already secured your own place?
Join team WWF to receive your free running top and plenty of training support from our expert running coaches from Running With Us. There's no minimum fundraising target, all we ask is you raise as much as possible to help bring our world back to life.
How we support you
We're with you every step of the way towards event day with advice and information so you can just focus on your training and fundraising. We'll also provide:
- Our fundraising pack to help you achieve your target
- Runners pack including Race To Save Our World top of your choice
- Exclusive access to our private Facebook group
- Running workshop & training day
- Online training hub to help you prepare safely for your challenge