Royal National Orthopaedic Hospital NHS Trust,
Brockley Hill, Stanmore, Middlesex, HA7 4LP
0208 909 5362
Registered Charity Number 1166129
Event date: Sunday 02 November 2025
Location: Knebworth House
Distance: Half Marathon
Registration fee: £20
Sponsorship: £350
Join our team
Get ready for an exhilarating day of running at the Hertfordshire Half Marathon, hosted by RunThrough Events! Taking place in the picturesque setting of Knebworth, Hertfordshire, this much-anticipated event features a scenic, road-closed half marathon. Participants will enjoy a beautiful course that winds through the stunning rural roads surrounding the iconic Knebworth House, a grade II listed estate renowned for its breath-taking gardens and rich musical history.
To secure your place you simply need to pay a registration fee of £20 and commit to raising a minimum of £350 in sponsorship. We'll provide you with plenty of fundraising tips along the way and a very smart RNOH Charity running vest!
Sign up here>> Herts Event Registration Page
Registered Charity Number 1166129
The RNOH Charity raises money to strengthen and support the people, research and infrastructure that make the RNOH one of the world's best orthopaedic hospitals