Sun 2 Nov 2025 Stevenage, Hertfordshire, UK
Hertfordshire Half Marathon and 10K | Half Marathon
This popular ROAD CLOSED half marathon starts and finishes in front of the iconic Knebworth House with the course taking participants around the beautiful surrounding rural roads.
Enter now- Sun 2 Nov 2025
Knebworth House, Stevenage
Half Marathon
09:00
Age 17 & over
£42-£54
- 13.1 miles road running + 218 m ascent
Event overview
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!
This event is part of Hertfordshire Half Marathon and 10K.
Event details
- All fitness levels
- Event village
- Newcomers
Location
- Bag storage
- Free parking
- Music
- Park
- Rural
Route
- Distance markers
- Marshals
- Traffic free
- Water stations
Sustainability
- Recycling
- Sustainability policy
What's included
- Chip timing
- Medal
- Race photo
- T-shirt
Other races at event
- Sun 2 Nov
- #1 of 0
Knebworth House, Stevenage
10K
09:30
Age 15 & over
£36-£48
- 10 km road running + 92 m ascent