Hertfordshire Half Marathon & 10k
7 November 2027 · Knebworth, United Kingdom
Enter on the race websiteBoth races start and finish in front of Knebworth House. They cross the grounds of Knebworth Park and then leave onto quiet country lanes, with the roads fully closed to traffic. The 10K gains about 92 metres. Minimum ages are 17 for the half marathon and 15 for the 10K. A single access road serves the car park, near Junction 7 of the A1(M), so allow plenty of time and share cars.
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Course
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