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Race Guide
Hertfordshire Half Marathon

Date / Time

Length

13.05 miles (21.0 km)

Description

Join us for the Hertfordshire Half Marathon & 10k on Sunday 7th November 2027!

Starting and finishing in front of the iconic Knebworth House, this scenic race takes you through the beautiful grounds of Knebworth Park before heading out onto peaceful country lanes. With a fully road-closed route, you can settle into your stride and enjoy uninterrupted running through the Hertfordshire countryside.

Whether you’re taking on your first 10k or Half Marathon or aiming for a new PB, this course offers the perfect balance of atmosphere and performance-friendly terrain. Expect a welcoming event village, supportive crowds, and a memorable finish back at Knebworth House.

Race Distances & Start Times

09:00 am - Half Marathon start

09:30 am - 10k start

Included in the entry

Unique Themed Medal

Chip Timed Results

Post-race goodies

Free Race Photos

Type of Race

Road

Venue

Old Knebworth Ln, Knebworth, UK

	Show Location Map

Entry Fee

How to Enter

Click this button to enter the race online: Enter This Race

Race Website

www.runthrough.co.uk/event/hertfordshire-half-marathon-10k-november-2027

Contact for Enquiries

Race Calculators

Finish Time Predictor

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