Road Half marathons in Hertfordshire
Find road half marathons in Hertfordshire in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sun 14 Jun
- £39-£41
ATW St Albans Half Marathon
A community focused event, ATW St Albans Half Marathon aims to raise money for local charities and organisations as well as put on a great day out for all the family, delivered by runners for runners.
- 13.1 miles road running + 699 ft ascent
- Sun 4 Oct
- £39-£41
- Early bird
ATW Welwyn Half Marathon
The popular Welwyn Half Marathon starts and finishes on the impressive 400m athletics track at Gosling Sports Park with an ideal, traffic-free, disused railway line in between.
- 13.1 miles road running + 400 ft ascent
- Sun 7 Feb 2027
- From £30
ATW Watford Half Marathon
This popular event has a strong history within the running community and has been taking place for over 40 years! Join a day of running, community spirit and exciting experiences. Spot £2000 prize!
- 13.1 miles road running + 751 ft ascent
- Sun 7 Jun
- £32
Hitchin Hard Half Marathon, Tough Ten Miler and Fierce 5 Miler and Kids Fun Run | Hitchin Hard Half Marathon
- 13.1 miles road running