Photo: Christine Matthews, CC BY-SA 2.0, via Wikimedia CommonsHALF10K
Hertfordshire Half Marathon
Old Knebworth, United KingdomIn 12 days
Choose the distanceTap a distance: the course, fees, times and rules below update for that race.
At a glance
Hertfordshire Half Marathon 2026 takes place on 1 November 2026 in Old Knebworth, United Kingdom. Distances: 21.098 km, 10 km.
- Date
- Sunday, 1 November 2026
- Location
- Old Knebworth, United Kingdom
- Distances
- Half marathon · 21.098 km · Competitive
- 10 km · Competitive
- Official website
- hertshalf.com ↗
Last updated: 19 October 2026
Where it is
Old Knebworth · United KingdomNearby airportsLHRLondon Heathrow · 48 km as the crow fliesLGWLondon Gatwick · 80 km as the crow flies
© OpenStreetMap · OpenFreeMap
