Are you tough enough to join our team and tackle the muddiest conditions known to humankind?

Taking on Tough Mudder as a group? Call our Events team on 0207 025 2483 or email events@breastcancernow.org and we'll get you registered.

Events now registering

  • 5 miles
    Take on Tough Mudder for Breast Cancer Now

    Tough Mudder Half London North 2018

    Saturday 7 and Sunday 8 July 2018   

    Register to join our Tough Mudder Half London North team and take on 13 obstacles that will test your strength, stamina and mental grit.

  • 10-12 miles
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    Tough Mudder London North

    Saturday 7 and Sunday 8 July 2018   

    Register to join our Tough Mudder team and take on over 20 obstacles that will test your strength, stamina and mental grit!

  • 5 miles
    Tough Mudder Half Breast Cancer Now

    Tough Mudder Half Yorkshire 2018

    Saturday 28 and Sunday 29 July 2018   

    Register to join our Tough Mudder Half Yorkshire team and take on 13 obstacles that will test your strength, stamina and mental grit.

  • 10-12 miles
    Tough Mudder Yorkshire

    Tough Mudder Yorkshire

    Saturday 28 and Sunday 29 July 2018   

    Register to join our Tough Mudder team and take on over 20 obstacles that will test your strength, stamina and mental grit.

  • 5 miles
    Tough Mudder Half Breast Cancer Now

    Tough Mudder Half South West 2018

    Saturday 18 and Sunday 19 August 2018   

    Sign up and join the Tough Mudder South West team, which is a winning combination of awesome obstacles, gloopy mud and a course that will push you and your teammates to the limits.

  • 10-12 miles
    Tough Mudder South West

    Tough Mudder South West

    Saturday 18 and Sunday 19 August 2018   

    Sign up and join the Tough Mudder South West team, which is a winning combination of awesome obstacles, gloopy mud and a course that will push you and your teammates to the limits.

  • 5 miles
    Tough Mudder Half Breast Cancer Now

    Tough Mudder Half North West 2018

    Saturday 8 and Sunday 9 September 2018   

    Register for the Tough Mudder Half North West and take on one of the muddiest courses with all new obstacles for 2018.

  • 10-12 miles
    Tough Mudder North West for Breast Cancer Now

    Tough Mudder North West

    Saturday 8 and Sunday 9 September 2018   

    Register for the Tough Mudder North West and take on one of the muddiest courses with all new obstacles for 2018.

  • 5 miles
    Tough Mudder Half Breast Cancer Now

    Tough Mudder Half London South 2018

    Saturday 22, 29 and 30 September 2018   

    Register to join our Tough Mudder Half London South team and take on 13 obstacles that will test your strength, stamina and mental grit.

  • 10-12 miles
    Tough Mudder London South for Breast Cancer Now

    Tough Mudder London South

    Saturday 22, Saturday 29 and Sunday 30 September 2018   

    Register to join our Tough Mudder team and take on over 20 obstacles that will test your strength, stamina and mental grit.

  • 5 miles
    Tough Mudder London West

    Tough Mudder Half London West

    Saturday 27 April, Saturday 4 May and Sunday 5 May 2019   

    Take on Tough Mudder Half London West for Breast Cancer Now and experience the world famous five mile obstacle course - testing your strength, stamina and mental grit.

  • 10-12 miles
    Tough Mudder London West

    Tough Mudder London West

    Saturday 27 April, Saturday 4 May and Sunday 5 May 2019   

    Register to join our Tough Mudder team and take on over 20 obstacles that will test your strength, stamina and mental grit.

  • 5 miles
    Take on Tough Mudder for Breast Cancer Now

    Tough Mudder Half Midlands

    Saturday 11, Saturday 18, and Sunday 19 May 2019   

    Join the Tough Mudder Half Midlands team and take on the challenge that promises to test your physical and mental strength and get you very muddy.

  • 10-12 miles
    Tough Mudder Midlands

    Tough Mudder Midlands

    Saturday 11 May, Saturday 18 May and Sunday 19 May 2019   

    Join the Tough Mudder Midlands team and take on the challenge that promises to test your physical and mental strength and get you very muddy.

  • 5 miles
    Tough Mudder Half Breast Cancer Now

    Tough Mudder Half Scotland

    Saturday 15 and Sunday 16 June 2019   

    Register to join our Tough Mudder Half Scotland team and take on 13 obstacles that will test your strength, stamina and mental grit!

  • 10-12 miles
    Tough Mudder Scotland for Breast Cancer Now

    Tough Mudder Scotland

    Saturday 15 or Sunday 16 June 2019   

    Register to join our Tough Mudder team and take on over 20 obstacles that will test your strength, stamina and mental grit.