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Mud Monsters Run – October

Event details
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Mud Monsters Run is an award winning mud and obstacle race that will not disappoint. You will be taken on a journey across muddy fields, up steep hills, through woods, washing off in river crossings, navigating through mud pits, fighting your way through deep muddy bogs, over obstacles with many more muddy surprises along the way. Go on…get dirty!
The Mud Monsters Run is a 5k, 10k or 20k (double lap) challenging run in East Grinstead, just 20 minutes from the M25 J6, through the West Sussex countryside with many muddy obstacles on the way

How to enter the Mud Monsters Run – October

  1. 20k

    Run 20km
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  2. 10k

    Run 10km
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  3. 5k

    Run 5km
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Event Details

What’s Included

Numbers & Timing Chips

You can collect your race number and electronic timing chip from registration on race day.  Your race number should be pinned to the front of your running vest. Timing chips should be attached to your shoe, instructions will be provided. Do NOT wear it on your wrist or anywhere else on your body as it will not record your time.TeamsWhen you enter as a team you will get 10% off per person off your entry fee, to get the discount you will need to have five or more runners in your team.

Anyone from the age of 13+ can run, please note 13-15 years olds must run with an adult at all times, the maximum distance they can participate in is 10km and they must register for a start wave from 11:00am or later.

Raceday Logistics

Competitors will start in groups at timed intervals. You can choose your start time when you go through the booking process.

Kit List

What to wear

It would be ideal to wear cross country, trail or fell running shoes which have grippy soles, moulded football boots have also been recommended in the past.  Normal trainers are not ideal you will probably get round but when they get muddy they just slip which will be very frustrating.  Shoes that might be dangerous will not be allowed, there will be NO spikes allowed on the day our officials will be checking footwear on the day and if they are deemed to be dangerous you will not be allowed to run.

We recommend that you wear lightweight clothes that will dry quickly, even if it’s cold as heavy or thick clothing will retain the water and not only weigh you down but also make you colder.  Long sleeve and bottoms might help protect you from scratches.  It’s also a good idea to bring a change of clothes with you so you can relax and enjoy yourself in some clean clothes after you’ve run.


We encourage spectators to come along on the day to watch all the muddy fun and cheer all the runners on, unlike some mud runs we do not charge for spectators.  There will be designated viewing areas that spectators must remain in, all dogs MUST be kept on leads at all times and we ask you to keep an extra close eye on little ones.

  • Hot and cold food and a range of drinks will be available on the day.
  • There will be a free supervised car key storage area available should you need to use it. If you would like to put a larger bag into storage there will be a small charge of £3 for this. The key/bag drop will be manned by one of the charities we work with so any money paid for bag storage will all go to that charity.  Please note that the event organizers cannot be held responsible for any losses and we recommend you do not bring valuables with you.
  • Health and safety forms must be read, signed and returned to us or you will not be allowed to start the race.
  • We will have a cold water shower available on the day so you can wash the worst of the mud off, we also have male and female changing rooms so you can get totally changed after the race. In the winter the changing rooms are heated.
  • There will be toilets on site for runners and spectators.

Mud Monsters Run – October weather forecast

Predicted highs
Predicted lows
IconModerate breeze possible, up to 13mph

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