Hertfordshire Half Marathon
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Event information
RunThrough UK stages the Hertfordshire Half Marathon & 10K on Sunday 1 November 2026 in Old Knebworth, Knebworth, UK. The event listing shows entries booked 101 times in the last month and a price range from £38 to £210. Group bookings for six places are available for £210.
Race details
- Half Marathon
- 10K
The courses are described as undulating road routes through the Hertfordshire countryside. The half marathon lists an elevation gain of 218 m and a 3-hour cut-off. The 10K lists an elevation gain of 92 m and a 1.5-hour cut-off.
Entries include a themed medal, chip-timed results, post-race goodies and free race photos. A RunThrough Kit technical T-shirt is offered with a stated retail value of £22 for £12, with the Hertfordshire logo. The event notes marshals and route markings, and an event village with food and drink options and partner giveaways. Visit the organization's website for the most recent information.
