Hertfordshire Half Marathon & 10K
The Hertfordshire Half Marathon on 1 November 2026 starts and finishes in front of the iconic Knebworth House in Stevenage.
The route takes in the grounds of Knebworth Park before heading out to the surrounding country lanes.
This road closed course gives runners the opportunity to enjoy the rural roads totally traffic free.
Organiser
Distances/Events
10K
Half Marathon
Source: https://www.runningcalendar.co.uk/event/hertfordshire-half-marathon-10k/
Event Website: https://www.hertshalf.com/
Coordinates: 51.8729127, -0.2147775