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About taking part in Tough Mudder 2025

With various dates and locations, join the toughest team yet and take on a Tough Mudder for charity and grapple fun with the obstacle course designed to drag you out of your comfort zone by testing your physical strength, stamina, and mental grit.

Reg fee: £30 + VAT

(We cover your participation fee)

Minimum fundraising target: £350

With Tough Mudder charity places for events all over the UK, it’s your choice where to take on mud, hills, water, slippery slopes, fire and electric shocks to push you to your limits! Tough Mudder has been testing the resolve of any budding athlete, obstacle course enthusiast and courageous charity fun runner since 2009.

Recruit your friends and family and enter as a team to take on a Tough Mudder for charity and help us fund life-saving childhood cancer.

What to expect from Children with Cancer UK

You can be part of our Tough Mudder UK team, whether you secure your own place independently of the charity or are allocated one of our charity places.
When you join our team, you will receive the following support from us;

  • A digital fundraising pack containing lots of fundraising advice
  • Regular emails providing top tips and information on Tough Mudder events
  • A bright Children with Cancer UK T-Shirt

Dates and locations

  • London West – Culden Faw. 10 & 11 May 2025 –  15k, 5k, Lidl Mudder, Infinity
  • Scotland – Hopetoun Estate. 7 June 2025 – 15k, 5k
  • World’s Toughest Mudder – Belvoir Castle. 28 & 29 June 2025 – World’s Toughest
  • Midlands – Belvoir Estate. 5 & 6 July 2025 – 15k, 5k,Lidl, Mudder, Infinity
  • Berlin – Brandenburg – Spargelhof-Klaistow. 19 July 2025 – 15k, 5k
  • Yorkshire – Broughton Hall. 26 & 27 July 2025 – 15k, 5k, Lidl Mudder, Infinity
  • South West – Badminton Estate. 16 Aug 2025 – 15k, 5k, Lidl Mudder
  • London South – Holmbush Estate. 20 & 21 Sep 2025 – 15k, 5k, Lidl Mudder

Location & Date

  • Various Locations
  • Multiple Dates

    From May 10, 2024 - September 21, 2025

Contact Details


When selecting the event, please make sure they match what's on the dates and locations list

Tough Mudder Charity Place

If you would like to register for a charity place in a Tough Mudder event, please complete the form below. 

Reg fee: £30 + VAT

Minimum fundraising target: £350

Own Place

If you have secured your own place already through the race organisers, and would like to join our team, please complete the form below and set-up a fundraising page with us.

If you would like to register for a charity place in a Tough Mudder event, please complete the form below. 

Reg fee: £30 + VAT

Minimum fundraising target: £350

Tough Mudder UK Charity Place

  • DD slash MM slash YYYY
  • I would like to be contacted by Children with Cancer UK about taking part in their challenge events, as well as their charitable work. Please contact me by:
  • This field is for validation purposes and should be left unchanged.


Your Privacy

Your privacy is important to us. The personal details you have provided will always be treated with care and respect, stored securely and only used for your relationship with Children with Cancer UK, or those who work for us. We will use the information you have given us to keep you informed about the event you are signing up to. We will also keep you updated about our work, other events and ways you can support us in the ways that you have agreed. We do not share or sell your details to any other organisation for marketing purposes.

If you have secured your own place already through the race organisers, and would like to join our team, please complete the form below and set-up a fundraising page with us.

Tough Mudder UK Own Place

  • DD slash MM slash YYYY
  • I would like to be contacted by Children with Cancer UK about taking part in their challenge events, as well as their charitable work. Please contact me by:
  • This field is for validation purposes and should be left unchanged.


Your Privacy

Your privacy is important to us. The personal details you have provided will always be treated with care and respect, stored securely and only used for your relationship with Children with Cancer UK, or those who work for us. We will use the information you have given us to keep you informed about the event you are signing up to. We will also keep you updated about our work, other events and ways you can support us in the ways that you have agreed. We do not share or sell your details to any other organisation for marketing purposes.

If you would like to register for a charity place in a Tough Mudder event, please complete the form below. 

Reg fee: £30 + VAT

Minimum fundraising target: £350

Tough Mudder UK Charity Place

  • DD slash MM slash YYYY
  • I would like to be contacted by Children with Cancer UK about taking part in their challenge events, as well as their charitable work. Please contact me by:
  • This field is for validation purposes and should be left unchanged.


Your Privacy

Your privacy is important to us. The personal details you have provided will always be treated with care and respect, stored securely and only used for your relationship with Children with Cancer UK, or those who work for us. We will use the information you have given us to keep you informed about the event you are signing up to. We will also keep you updated about our work, other events and ways you can support us in the ways that you have agreed. We do not share or sell your details to any other organisation for marketing purposes.

If you have secured your own place already through the race organisers, and would like to join our team, please complete the form below and set-up a fundraising page with us.

Tough Mudder UK Own Place

  • DD slash MM slash YYYY
  • I would like to be contacted by Children with Cancer UK about taking part in their challenge events, as well as their charitable work. Please contact me by:
  • This field is for validation purposes and should be left unchanged.


Your Privacy

Your privacy is important to us. The personal details you have provided will always be treated with care and respect, stored securely and only used for your relationship with Children with Cancer UK, or those who work for us. We will use the information you have given us to keep you informed about the event you are signing up to. We will also keep you updated about our work, other events and ways you can support us in the ways that you have agreed. We do not share or sell your details to any other organisation for marketing purposes.

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