Get involved Events Hertfordshire Half Marathon & 10k Starting and finishing in front of the iconic Knebworth House, the route takes in the grounds of Knebworth Park before heading out to the surrounding country lanes. This road closed course gives you the opportunity to enjoy the rural roads totally traffic free – this is the first mass participation event with closed roads staged at Knebworth House! Knebworth House is a grade II listed house set in acres of beautiful gardens and parkland. Knebworth House has welcomed many music artists for major open air concerts, including Robbie Williams, Oasis, Led Zepellin and Red Hot Chilli Peppers. The grounds are home to popular tourist attractions including an adventure playground and dinosaur trail. Event Details: Sunday 6th June 20219:00 am - 12:00 pm Knebworth House Start Times: Half Marathon – 9:00am 10k – 9:30am We have a limited number of tickets available for our supporters. If you would like to take part in either the Half Marathon or 10K we ask that you raise a minimum sponsorship of £140. To set up a Just Giving fundraising page to collect sponsorship click here Alternatively, click here to to download our sponsorship form All participants who reach their fundraising target will be sent a charity branded running vest for you to train in and wear on the day. As well as support on fundraising and training to keep you motivated. We have a limited number of places for this event, all you have to do is fill in your details below to take part. Booking for this event has now closed.