Muddy Mayhem 2023 - Isabel Hospice

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Already registered or planning to sign up on the day?

You can click here to download a copy of our final details email, which includes information regarding timing, parking, and factilities.


Muddy Mayhem & Mini Mudder 2023

Get on your marks and get ready to clamber, climb, scramble and crawl our fun-filled obstacle course! Our legendary Muddy Mayhem event will be held at the stunning grounds of the truly beautiful and private Woodhall Estate, Watton-at-Stone, on Sunday 26th March 2023.

Our Muddy Warriors will complete a 5km course around the wonderful scenery, featuring some brand new obstacles and the usual mud, water, hills and spills. There’s also a treat for kids aged under 11 with a 1km ‘Mini Mudder’ route!


  • Our Muddy Mayhem warriors will complete a mud-filled 5K obstacle course around the wonderfully scenic Woodhall Estate, Watton at Stone, Hertford, SG14 3NE.
  • Meanwhile Mini Muddy warriors will also complete a 1km obstacle course at the same location.


  • Sunday 26th March 2023
  • Muddy Mayhem starts at 10am
  • Mini Mudder starts at 11.30am

REGISTRATION (now closed online)

Adults, £40 on the day

11-16 year olds, £30 on the day

Mini Mudder (under 11s), £5 on the day

Registration fee includes entry to the event and a commemorative medal.


  • We ask that each Muddy Mayhem warrior raises as much sponsorship as possible, as every pound you raise makes a difference to patient care at Isabel Hospice.
  • There are lots of different ways in which you can raise sponsorship as part of the event. You may choose to do it as an individual, as a team, with your work colleagues or as a family! If you’d like to talk to our fundraising team about sponsorship ideas, please call 01707 382500 (option 4).
  • Setting up a sponsorship page is simple and easy, sign up now at Just Giving.

Please note that no dogs except guide dogs / service dogs, are permitted at Muddy Mayhem, this includes with spectators.


If you have any questions about the event, please contact the fundraising team on 01707 382500 (option 4) or email us at

Up for the challenge?