Old Knebworth Ln, Hertfordshire

5 November 2023

Distance: 13.1 miles

Registration fee: £25

Suggested fundraising target: £250

Set off from the historical Knebworth House and run through the beautiful gardens of Knebworth Park, before entering the surrounding countryside. The Hertfordshire half marathon is a closed road event, giving runners a rare opportunity to have the roads to themselves as they take on this spectacular challenge.


As a Magpas Air Ambulance challenger, you’ll receive…

A free Magpas Air Ambulance T-shirt

A Magpas Air Ambulance fundraising pack

Dedicated support from the Magpas Air Ambulance fundraising team

Finishers medal

Frequently asked questions

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