Hertfordshire Half Marathon & 10K | 2026
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Sun, 1st Nov 26
Knebworth
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Race Information
Road-closed Half Marathon & 10 km around Knebworth with medal, timing & support.
1000 Participants
Intermediate
446 days left to book
Location
Old Knebworth Lane, Knebworth, UK
(51.8798094, -0.2021436)
(51.8798094, -0.2021436)
About Hertfordshire Half Marathon & 10K | 2026
1st Nov 26
-
Knebworth
RunThrough UK’s autumn road-closed event on Sunday 1 November 2026 features an undulating half marathon and 10 km through scenic Hertfordshire countryside around Knebworth House and estates. Includes themed medal, chip timing, free race photos, post-race goodies, hydration stations, marshals, secure bag drop, event village with refreshments, and sustainability initiatives.
Run - 10 km
Sun, 1st Nov 26
• 09:30
£36
£36
Run - 21.1 km
Sun, 1st Nov 26
• 09:00
£42
£42
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Amenities
Toilets
Food and Drink
Parking
Medical
Bag Storage
Hydration Stations
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