Hatfield House Half Marathon & 10K

The event is organised by GO Running Herts

Sunday 14th October 2018 at 9.30am

The first running of a Half Marathon around the stunning Hatfield Estate Park. Also includes a new 10K event course. 

The course passes through and around the historic and beautiful parkland and woods of the Hatfield Estate, by the Queen Elizabeth Oak, the Broadwater andpassed Hatfield House itself where the registration, starts and finish are located.

The Half Marathon and 10K will commence at: 9:30am

Both events are in support of Isabel Hospice and HAD (Herts Action on Disability).

An Association of Running Club (ARC) permitted event.

Online entries:Pay by major credit/debit cards



If you would also like to support this race then contact us at:


icon Registration

Race numbers will be collected at the the event venue on the morning of the race. Registration will open at: 08:15am and close at 09:20am. 

Please arrive in sufficient time to collect your race number.

icon Event Profile

Event Name

Hatfield House Half Marathon & 10km

Event Distance

21.1km and 10km


HM 2 laps, 10K 1 lap. 




Three water stations for the Half Marathon and one for 10K. Water will be provided at the finish.


Every mile.




HM: 17, 10K: 16


GO Running Herts




The higher of either £1 or 5% of your transaction, will be added at the checkout. 

icon Prizes

Medal for all finishers

Overall 1st, 2nd, 3rd man and woman prizes

Age group prizes in in 10 year bands.

icon Course Information

The Half Marathon is a 2 lap race. The 10K is a 1 lap race. The route is a mixture of estate roads, off-road and trail.


icon Training Plans

ActiveTrainingWorld have free training plans to help you train for this event:


Other Race Information

Race Numbers
Please wear your number pinned to the front of your vest.

The Coach and Car Park is accessed through George’s Gate and is located a few hundred yards on from the Station Lodge entrance, at the mini roundabout with a large Citroen dealership. Post code: AL9 5HX for Sat Nav.

Changing and Toilets
Come changed and ready to run if possible, since changing facilities will not be provided at the venue. Toilets are available at the venue. 

Time Limit
The Hatfield House Half Marathon has a maximum time restriction of 3 hours, after which there may not be marshals and time keepers available.

No refund will be made to any entrant not completing the race.



By entering this event you agree to the below terms and conditions

I hereby declare that (1) I am an amateur according to the eligibility rule of UKA, (2) I am medically fit to run and I will do so at my own risk and agree not to hold the organisers responsible in any way for any injury or loss resulting from my participation in the event, prior to, during or after the event. (3) I understand the organisers reserve the right to alter the arrangements and conditions should circumstances require. The course is unsuitable for wheelchairs and prams.

In the unfortunate cancellation of the event through circumstance beyond the control of the race organisers.  I understand, and accept, the rules and terms of the entry including that there Will be no refund of race fees.

LOCATION: Hatfield Park, Hatfield, Herts, AL9 5NB

Location: Hatfield House, Hatfield, Hertfordshire, AL9 5NQ