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Bath 50 Ultra Challenge  

Walk, jog, or run through the elegant and historic city of Bath with #TeamKidney.

Walk, jog or run over kidney disease!

Set in the elegant historic city of Bath, take on a 50 km ultra, a challenging 25 km, or a sharp 10 km route at your own pace while raising vital funds for Kidney Research UK. 

Starting from the Racecourse basecamp, up to 2,000 adventurers will explore looped routes around and through the city, taking in panoramic views, the iconic Royal Crescent, and the surrounding countryside. Walk, jog, or run as part of #TeamKidney with full support along the way including rest stops, plenty of food and drink, and a celebration finish with a medal and t shirt. 

Sign up as an individual or as part of a team. Take on the Bath 50 and make every kilometre count towards life-saving kidney research. 

Bath Racecourse

Distances: 50km, 25km, 10km

28 March 2026

Registration fee: £20-£40

Minimum sponsorship: £100 - £375 (depending on event)

As part of #TeamKidney you'll receive...

Running t-shirt

A Kidney Research UK running t-shirt when you raise £50 or more

A fundraising pack full of tips and ideas

Support from our dedicated team every step of the way

Regular updates to inspire you with training and fundraising

Other useful stuff

Image FR pack

Fundraising

Get all the materials and resources you need for your fundraiser.

London Bridges Walk walkers

Dress to impress

Get extra merchandise and show everyone you're on #TeamKidney.

A runner finishing an event wearing the Kidney Research UK running top

Got your own place?

Tell us about your event and we'll support you all the way.

London Bridges Walk walkers

Fundraise online

Get your fundraising off to a flying start with your own JustGiving page.

Frequently asked questions

Got a question? Get in touch

If you have a question or would like to chat about one of our events, the team here at Kidney Research UK are happy to help. Please get in touch.

0300 303 1100

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