Date: 5th and 6th July 2025
Start time: 7.45am to 2pm
Location: Belvoir Castle, Woolsthorpe Road, Grantham NG32 1PA

Entry: £20
Minimum sponsorship: £295 – £375
Organiser: Tough Mudder
Contact: Acorns Events team
Telephone: 01564 825037
Please read the full terms and conditions before signing up.
Take on the ultimate challenge at Tough Mudder Midlands with #TeamAcorns
Do you have what it takes to conquer Tough Mudder Midlands? This iconic course is more than just mud – it’s a test of strength, stamina and teamwork! Join #TeamAcorns for this epic challenge and help raise vital funds to support local children and families.
Whether you’re a seasoned Mudder or taking on your first event, Tough Mudder offers an adrenaline-pumping experience for all fitness levels. Get ready to crawl through thick mud, scale towering walls, and tackle daring challenges alongside friends, family, and fellow fundraisers.

Why be a part of #TeamAcorns?
Take on Tough Mudder Midlands with #TeamAcorns and you’ll receive:
- Bespoke support from our specialist Events team to help with your training and fundraising
- A fundraising pack with ideas to help you meet your fundraising target
- An Acorns shirt to wear on the big day
- An event finishers shirt
- The Tough Mudder iconic orange finisher headband
- A Tough Mudder finishers medal
By signing up for Tough Mudder Midlands, you’re not only taking on one of the most exciting physical challenges around, but you’ll also be making a real difference to Acorns. Every obstacle you overcome and every step you take will help raise vital funds to support the essential care we provide to hundreds of children and their families each year.
So gather your team of friends or colleagues, lace up your trainers and take on the muddiest challenge of your year!
Already have a place in the race?
If you already have a place, you can still join #TeamAcorns and help to raise funds for local children and families. Our Events team will be on hand to support you throughout.



Kick start your fundraising
We’re here to support you all the way! By signing up for the event you will receive an Acorns t-shirt, support from our Events team to help with your training and fundraising and the amazing feeling you’ll get from knowing you’re making a real difference to local children! Here are some simple ways to give your fundraising a boost, if you need more support we’d be happy to help. Just get in touch at events@acorns.org.uk.
I want to join #TeamAcorns and I already have a place!
If you already have a place in Tough Mudder Midlands and would like to support Acorns through your run, please fill out the form below and one of our team will be in touch soon.