Mud Monsters Run is back for it’s twelfth year! This exciting event sees thousands of muddy runners cross the finish line all with one thing in common – a big muddy smile!
Whether you choose to take on 3km, 5km or 10km, each course is packed with obstacles course and you’ll be guaranteed to have a marvellously muddy experience. Shorter routes are available for Mini Monsters too – so there’s fun for all the family.
Mud Monsters Run is set in acres upon acres of the stunning Sussex Countryside, just five minutes from East Grinstead.
Think muddy fields, winding woods, water, mud craters, bogs and lots of obstacles to tackle!
You’ll get a medal fit for a Mud Monster and free photos too.
Run along now and make your May one to remember.
Get 10% off when you pledge to raise as much as you can to help us save lives*
£150 could buy a special splint to stabilise a damaged limb.
Join our team of lifesavers and you’ll get:
Fundraising support
A charity T-shirt
*Discount code is not valid on the Family 3km ticket as this is already highly discounted.
Date and Time
Sunday 17 May 2026
Location
East Grinstead, West Sussex. 10% off when you fundraise for us