Hertfordshire Half Marathon
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Hertfordshire Half Marathon & 10k - Knebworth House
The Hertfordshire Half Marathon & 10k takes place on Sunday 7 November 2027 at Knebworth Park, Old Knebworth Lane, Stevenage SG1 2AX. The course starts and finishes in front of Knebworth House and passes through the park before continuing onto country lanes. The route is fully road-closed.
Entries include chip-timed results, a unique themed medal, free race photos, post-race goodies and a bag drop. An optional event t-shirt is available to purchase. Finish times contribute to national rankings.
Distances:
- Half Marathon (minimum age 17 years)
- 10k (minimum age 15 years)
Practical information notes a single road into the car park with access just off the A1(M) at the junction 7 roundabout. Stevenage station is 2.3 miles from the venue; the number 8 bus serves Roebuck Gate with a short walk to the event. The event village opens early on race day and includes portable toilets, water stations roughly every 5 km on course, secure baggage storage in a marquee, and food and drink in the village.
Buggy runners and wheelchair athletes are welcome but should review the elevation and course map beforehand as the course is described as demanding for assisted participants. Dogs are not permitted at the event. Visit the organization's website for the most recent information.
