Entry is via Eventbrite. If you are unable to book this way or have a problem please email us at info@muddymayhem.co.uk and we will do our best to help you.

Please note, if using satnav directions, people are sometimes directed to Tilehurst, the other side of the river or via The Warren which is inaccessible to traffic. Muddy Mayhem is located in Mapledurham Estate, Mapledurham, Reading, Berkshire RG4 7TR. The estate is accessed from the A4074 Reading to Oxford Road, 4 miles north of Reading. Signs will be placed opposite The Pack Saddle Pub from the A4074 taking you past Caversham Heath Golf Club. Continue following the signs until you arrive at the car park where a marshal will direct you to a space.

Prices and Schedule

Junior and Student Rates are fixed throughout

School Year 1 – 5 = £10/runner (£15 on the day)

School Year 6 – 11 = £15/runner (£20 on the day)

Student (age 16 – 21) = £25/runner (£30 on the day)


Mega Super Early Bird

Mega Early Bird

Super Early Bird

Early Bird

On The Day*

Release Date

March 3 – April 3

April 4 – June 4

June 5 – August 15

August 16 – October 6


October 7

5Km Run

Adult Individual






Adult Group**





Not Available

10Km Run

Adult Individual






Adult Group**





Not Available

Each ticket zone closes at midnight with the next one opening at 12.01am

*We only accept cash on the day

** Group Booking is based on a minimum of 8 runners

Please note that school year is at the time of the event.


This is located in the middle of the event. It will be clearly signposted and marshals will direct you to your parking spot. Parking is free so please refrain from parking on the surrounding roads or in the village.


You will be allocated a start time. Please arrive at least 30 minutes before your start time to allow for registration. Warm up and safety briefing will take place at your start time.

7.30am Car park opens
8.00am Registration tent opens. This can be found between the car park and start.
9.00am First staggered start. Waves will commence every 15/30 mins depending on the number of entrants
2.30pm approx Run finishes

5 and 10Km start times – limited to 100 people per start

  • 09.00 – 10km
  • 09.30 – 10km
  • 09.45 – 5km
  • 10.00 – 5km
  • 10.15 – 5km
  • 10.30 – 5km
  • 10.45 – 5km
  • 11.00 – 5km
  • 11.15 – 5km
  • 11.30 – 5km

Junior (Yr 1–5) Start Times

  • 13.30
  • 13.45
  • 14.00

Times may change depending on the number of entrants. You will be notified of any changes.


Registration will open at 8.00am. Please arrive with plenty of time to collect your number and hand in your completed declaration form. For insurance purposes, a hard copy of this form must be signed and handed in before you can take part in the event. Please print off the Muddy Mayhem Disclaimer and bring it, completed, with you.

You must be fit and healthy enough to do this type of event. Any medical conditions must be detailed on your online application along with emergency details. These will be written on the back of your running number. Any changes must be made prior to the start.


You will be unable to take anything on the run with you so please use the bag drop facility. However, all items are left at your own risk and we accept no responsibility for lost or damaged items. Keys, phones and gadgets need to be placed in an envelope provided and your name and race number printed on the front. Bags will also be labelled with your name and race number.


There will be a number of portable toilets near the car park which will be situated near the start/finish line.


You MUST be in the start area at your allotted time. From here you will be given a safety briefing and warm up.


The route is likely to be muddy. There will be natural hazards such as tree roots, low branches, loose stones, uneven surface, mole holes and rabbit holes and is potentially dangerous. You will get wet within the first couple of obstacles. You will have to go under, over, around and through obstacles but if you do not feel comfortable completing any obstacle please simply continue on the run avoiding the obstacles – we want you to enjoy the race and not give you anxiety.

The route will take you through fields, across roads, along footpaths,  through woods and down tracks and across farmed fields

We may alter or omit some obstacles on the day or the route may vary depending on weather, ground conditions or by request of estate farm management.

You can view the course and profile here.


It will be great to have your family and friends cheer you on! They will be able to see most of the adult course and all of the junior course. They can grab a hot drink and bite to eat as they follow you around. Please stick to the dedicated areas as this is a working farm, and your more than welcome to take photographs.


The Red Cross will be on duty throughout the day at various points of the course with a fixed unit at the finish line. There will also be a 4×4 emergency vehicle along the route. If you suffer an injury or see someone who needs assistance, please inform the nearest marshal who will call for first aid.


Well done you made it! At the finish line you will receive:

  • A finishers medal
  • Bottle or two of lovely clean water

Get your breath back, towel yourself down and enjoy the scenery while you have a drink and a munch on the delicious food being provided by Inner Circle Catering and cheer on your friends and children and your fellow Mayhemers.

Don’t forget to keep your runners number on you to collect your keys and bag, if you left them with us.