Runthrough
Hertfordshire Half Marathon & 10k November 2026
- Sunday, 1 November 2026
- Old Knebworth Ln, Knebworth, UK
- 10k, Half Marathon
£38-£45 Member plus discount 20%
About
The Hertfordshire Half Marathon & 10K returns for 2026, and registration is now OPEN! Taking place on Sunday 1st November, this exciting event is set in beautiful Old Knebworth, offering runners of all abilities a memorable race experience.
Both races feature undulating, scenic road routes through the picturesque Hertfordshire countryside. Whether you’re tackling the Half Marathon or the 10K, you’ll enjoy a welcoming race-day atmosphere, excellent support from marshals, and clear route markings. It’s the perfect autumn challenge for seasoned runners aiming for a new PB or first-timers stepping up their distance.
Start Times
- 09:00 am – Half Marathon start
- 09: 30 am – 10k start
Road Runs
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About Runthrough
RunThrough offer running events in London and running events around the UK. You can enter a 10k, 5k, 10 Mile, Half Marathon and Marathon running events.
We always love to see goats come together at races, and this discount makes it easier to do so.