Hertfordshire Half Marathon

Knebworth House, a grade II listed building located in acres of gorgeous gardens and parkland, is well known for hosting large-scale open air concerts from renowned music acts such as Robbie Williams, Oasis, Led Zepellin, and Red Hot Chilli Peppers. Now, you can also experience the beauty of Knebworth House while running on the traffic-free country roads of Hertfordshire at the Hertfordshire Half Marathon. With thousands of other runners participating, you won't want to miss this chance to experience one of the few mass events with closed roads in the area.