Hertfordshire Half Marathon and 10K

Sunday, 7 November 2027In 361 days

Knebworth, United Kingdomhertshalf.com

Road races starting and finishing at Knebworth House, following closed roads through Knebworth Park and the surrounding Hertfordshire countryside. Both routes are undulating.

Distances

218 m
Climb

Entry fee

Super early bird: half marathon £36, 10K £31, plus 5% booking fee. Prices rise 30 November. Checked 9 November 2026.

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Rules and terrain

Course: ROAD
Cut-off times: Course closes at 12:00 (3 hours after start).

Entering

Registration: OPEN (opens in a new tab)

Start

Half Marathon · 10K·Knebworth House · Knebworth Park, Stevenage SG1 2AX, United Kingdom

Race day

Start time: 09:00 (Europe/London) · Half Marathon only

Editions

7 Nov 2027
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Where this came from

Sources: https://www.hertshalf.com/ (opens in a new tab) (archived 10 Nov 2026 (opens in a new tab)) — current official programme checked 9 November 2026 explicitly lists Sunday 7 November 2027, exactly Half Marathon 09:00 and 10K 09:30 at Knebworth House. Foundation place is a ticket type, not an additional race. Both courses close at noon. Official structured event offe
Last verified: 9 Nov 2026