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Enter 3 or 4 races to complete the Muddy Runner series!

Harewood Forest Trail Race

Undulating trail routes await you at this spring race in the beautiful setting of the Harewood Forest, in the heart of the Test Valley

Next race:

Monday 6th May 2024

The Harewood Forest run is an annual event held each spring in the beautiful setting of the Harewood Forest, in the heart of the Test Valley. All proceeds from the event go towards the Wherwell Playing Fields Association and Wherwell School PTA..

Race number registration for all events will close at 9.45am.

First race is scheduled to start at 10.00am.

The 5k & 10k races will start at 10am. These undulating courses mostly over forest trails and tracks pass through fields and bluebell woods.


There will be water stations on the 10k route at approx 3km and 7km. Our events are cupless, please bring your own cup for use at the water station.


Conditions may well be wet and the ground is uneven so trail shoes are recommended.

The 2k race start time is approx 11:20am, enabling parents running the main events to watch their children take part.  Entry is on the day only and costs £5.

Enjoy food and drink refreshments available while cheering on competitors as they cross the finish line.

Only dogs entered into the races with a runner please, there are no dogs allowed on the field unless they are taking part in a run.


  • Please use the form on this page to enter or go to

  • Entry in advance closes Saturday 4th May = £15 for the 10k race, £10 for the 5k race.

  • Participants must be 12 years and older for the 10k race.

  • Participants must be 7 years and older for the 5k race.  All 5k entrants under the age of 11 yrs,  MUST be accompanied by the responsible adult on the route at all times with their own entry to the race.

  • Children of any age may take part in the 2k event and may be accompanied by an adult if required.  However, we would ask that adults peel off before the finish and do not go through the finish funnel.



  • Running with a dog is permitted at this event, but dog owners must abide by the following conditions. By entering this race and signing the waiver you agree that you:

    • MUST:

      • Have public liability insurance for the dog, our event insurance does not cover any incidents caused by your dog, and therefore the requisite public liability insurance is the responsibility of the registered runner/owner

      • Carry bags to clean up after your dog on the route and carry until disposed of in a suitable bin

    • Should:

      • Dogs should be on a lead using a CaniX regulation waistbelt at all times

      • Carry your own water and bowl for the dog, we cannot guarantee the water stations will have the facilities to provide for your dog.

  • Runners with dogs will start in a separate wave.

  • We will use the guidance of the British Sleddog Sports Federation with regards dogs running in heat and therefore;

    • If the effective temperature (taking into account the actual temperature and humidity) for the race time, is at or over 18 degrees Celsius, ​then we will not allow dogs to run the event.

    • Runners booked into the event may run without their dog in such circumstances

    • We will not be able to offer refunds for entries should you chose not to run without a dog

    • The decision of the race director for the event is final


  • Registration opens at 09.00 am and will close promptly at 09:45 am

  • Any changes to race distance must be made before 9.30am

  • Please note there is no bag drop so please return any belongings to your car.

  • The 10k will start at 10:00 am

  • The 5k will start at 10:00 am

  • . Please would ‘runners’ make their way to the front of the group, ‘joggers’ stay in the middle of the pack, and ‘walkers’ start near the back. 

  • The childrens' 2k event will start approx 11:20 am.  This will allow parents to run in the earlier events, then watch their children.



  • The routes are undulating and hilly, with a mixture of trail, tarmac, dirt and single tracks. It is challenging but beautiful.

  • There is a single road crossing at the start and finish of the 5km and 10km race. Please listen and obey marshals. We do not have the right to stop traffic.

  • There are multiple obstacles on the course - overhanging trees, rough terrain underfoot, mud, holes and ruts caused by farm equipment. Please wear appropriate footwear and be aware of the terrain, especially the overhanging branches.

  • The course will be marked with km markers, tape, signs, flags, and we will have marshals on the course to help guide you.

  • The 2km event is a multi lap route around the field.


  • These are multi-terrain cross-country routes and as such, the terrain is uneven, muddy in places and in the event of bad weather, some areas may be slippery.  All entrants should wear appropriate footwear with laces securely tied and take care at all times, following warning signs and markers and following any instructions given by marshals.

    • We reserve the right to remove any participant who does not obey a marshals directive/s

  • The routes cross private property, please stick to the routes and do not drop litter, there will be bins available at the finish for you to dispose of any litter you carry off the routes.


  •  Toilets will be available at the race HQ

  •  First aid is available at the finish line and also out on the course.

  • We love the environments we run in, we are also passionate about reducing our single use plastic waste. All our events are now 'cupless' meaning we do not supply single use cups at water stations:

    • Please bring your own cup or water bottle to carry on the course.

    • Muddy Runner reusable cups may be available to purchase

  • Water and refreshments will also be available at the finish line.

  • Post-race refreshments will be available for purchase at the race HQ

  • Parking can be found on the sports field, please follow the instructions of marshals at all times


  • The Harewood Forest Fun Run event site is at the Wherwell Playing fields SP11 7JP. Please drive slowly through Wherwell Village as there will be a lot of traffic passing through.


Prior Year Results




Any Questions?  Please contact us at

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