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Hertfordshire Half Marathon & 10k - June

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Event summary

Race around the grand Knebworth House in the Hertfordshire Half Marathon & 10k. Great for runners of all stripes, the route starts at the stately home before taking you onto the surrounding country roads. Come for the stunning rural setting or try for your first half marathon.

Your organiser

RunThrough is one of the UK’s premier running event organisers. Their events are widely regarded as inclusive and friendly, with the RunThrough community being at the heart of everything they do. Runners can enter a huge variety of distances from 5k’s all the way up to the mighty marathon. If you’re new to running and looking to book onto your first event, then these events are the ones for you.

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How to enter

Tickets available until Sat Jun 05 2021

What's included:

  • Finisher's Medal
  • Refreshments along the Course
  • Finisher's T-Shirt
  • Chip Timed Race
  • Marshalled course
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Frequently asked questions
Where are the refreshment stations for the Hertfordshire Half Marathon & 10k - June?
There are three refreshment stations throughout the course at miles 3.5, 7.5 and 10 as well as an additional station for athletes as they cross the finish line.… read more
Where can I see my race time?
Race results will be published on following the race's conclusion.… read more
How will I receive my race pack?
Race packs will be sent to entrants before the event date.… read more
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Route description
Route description

The routes start and finish at the 500 year-old Knebworth House which has, in more recent times, hosted an array of open-air concerts featuring the likes of Robbie Williams and Oasis.

The route will take you through the wide paths of Knebworth Park and along the surrounding rural roads which will be closed to traffic. Please note, there are number of gradients throughout the course.

The course will have marshals stationed at all crucial points during the race as well as clear distance marking.

Logistics and schedule


09:00 Half Marathon start

09:30 10k start

13:00 Event ends

Please arrive at least 45 minutes before the race to ensure you have ample time to complete the registration process.

*Further race day information will be sent out to those registered nearer the time.


This is a great race for spectators who can station themselves at Knebworth House for the start and finish line.

Supporters can cheer on the athletes while also appreciating the 15th Century stately home in all its grandeur.

How to get there

Old Knebworth Ln, Stevenage SG1, UK

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Address: Old Knebworth Ln, Knebworth, SG1 2AX

Car: There is plenty of free parking available on site. For GPS please us the postcode for the Stevenage Novotel - SG1 2AX - rather than the Knebworth House postcode.

Train: The closest train station is Stevenage, which is two miles away from Knebworth Park. Regular services run to Stevenage from London King's Cross, as well as trains from Cambridge, York, Leeds, Newcastle, Edinburgh and Glasgow. Taxi's are available at the station.

Frequently asked questions
Booking related questionsDo you have a question about bookings, cancellations, or refunds?
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