Hertfordshire Half Marathon
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Event overview
The Hertfordshire Half Marathon & 10K takes place on Sunday 1 November 2026 at Old Knebworth Lane, Knebworth, UK. The organiser stages road races through the Hertfordshire countryside with undulating courses and marked kilometres. Marshals and route markings are provided along the course. An event village offers food and drink options and post-race freebies from partners.
Race distances and entry
- Half Marathon - 21.1m
- 10K - 10K
Entry options and listed prices include: 10K £38, Half Marathon £45, and a RunThrough Foundation Place entry at £210. The event lists cut-off durations of 3 hours for the half marathon and 1.5 hours for the 10K. Entries include a themed medal, chip-timed results, post-race goodies, and free race photos.
Route and logistics
The half marathon shows total elevation of 218 m and the 10K shows elevation of 92 m; both are described as road, undulating routes. Each kilometre is marked with distance flags. The organiser notes marshals will guide participants and that the event provides a serviced event village at the finish. The published event location is Old Knebworth Ln, Knebworth, UK. Visit the organization's website for the most recent information.
