Tough Mudder London West 2021


Tough Mudder London West 2021

Join us

Get ready to prove how tough you really are. Tough Mudder is the ultimate obstacle challenge where you'll need to overcome icy water, extreme mud, fire, electricity, rope climbs and much more.

Interested in taking on the challenge? Join Team Macmillan today.

I want a charity place

Click the 'Get a place' button to join Team Macmillan. All of our charity places are only for the classic distance which is 8-10 miles of 25 obstacles, however if you would like to do another distance, please register directly on the Tough Mudder website.

Our charity places have a £30 registration fee and we ask you to commit to raising £300 to help support people living with cancer.

The registration fee is payable to Macmillan Cancer Support Trading Limited which is wholly owned subsidiary of Macmillan Cancer Support. Macmillan Cancer Support Trading Limited donates 100% of its profits to Macmillan Cancer Support each year.

I have my own place

If you've already got a place in the event and would like to support us, please let us know by clicking the 'I have my own place' button. Simply raise as much as you can and all the money you raise will go on to fund our vital work. Whether you're taking on the 5K distance or the classic distance, we'd love to have you on our team.

I want to sign up as a team

Get 20% off your registration fees when you sign up together as a team of 3 or more members. Use promotional code TOUGH20 at checkout to sign up.

If you are registering to fundraise as part of a team and require various t-shirt sizes, please select that you will require no t-shirts on registration and get in touch with us to order them.

Participants must be 14 or over on the day of the event. Any participants under 18 must take part with someone 18+.

For full terms & conditions click here.

If you have a question about running for Macmillan, check out our FAQs..

Alternatively you can email us at or call us on 0300 100 0200.

I have my own placeIf you've already got your own place and want to raise money for Macmillan.
Get a placeWe ask for a minimum sponsorship pledge of £300, with a £30 registration fee.

If you raise


it could pay for a Macmillan nurse for a week.

More in this section

Organise your own event

Get your plans rolling. We've got advice, support, materials and fundraisers who'd love to help you create a great event.

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Go your own way

If you would like to take on a challenge for Macmillan which isn't in our listed events, no problem! Tell us which one you're doing and we'll send you a fundraising pack.

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Help with fundraising

From fundraising resources and ideas to online fundraising tips and information about paying in your donations. We'll help you raise as much as possible for Macmillan.

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Training Zone

Find training, nutrition and kit advice for whichever type of event you are doing.