7 Half marathons in Hertfordshire

Find half marathons in and around Hertfordshire for 2023/2024 - filter events by date, display on a map or use the advanced search to find your perfect race.

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  • Sun 7 Jan 2024
  • £29-£31
Welwyn Garden City, Hertfordshire, UK

ATW Welwyn Half Marathon | Half Marathon

The popular Welwyn Half Marathon starts and finishes on the impressive 400m athletics track at Gosling Sports Park.

  • 13.1 miles road running
  • Sun 4 Feb 2024
  • £31-£33
Watford, Hertfordshire, UK

ATW Watford | Half Marathon

This popular event has a strong history within the running community and has been taking place for over 40 years.

  • 13.1 miles road running
  • Sun 25 Feb 2024
  • £23-£25
Baldock, Hertfordshire, UK

The Baldock Beast

Baldock Beast half marathon race is all on quiet country lanes and is very picturesque.

  • 13.1 miles multi terrain running
  • Sat 23 Mar 2024
  • £33-£35
Broxbourne, Hertfordshire, UK

Gratitude 25

Over the past few years Camino and our community have been spending more time looking into gratitude and how we can benefit from exploring this more meaningfully.

  • 25 km road running
  • Sat 23 Mar 2024
  • £24-£29.50
Buntingford, Hertfordshire, UK

The Moo-rathon, Calf and Hen k (at the Farm) Run | Half Marathon

Join Zig Zag Running at its new venue - Hyde Hall Farm and around the beautiful Hertfordshire Countryside

  • 13.1 miles trail running
  • Sun 24 Mar 2024
  • £31-£33
Waltham Cross, Hertfordshire, UK

ATW Run Fest at Lee Valley | Half Marathon

The Lee Valley White Water Centre is a stunning venue in Hertfordshire and is surrounded by a picturesque regional park.

  • 13.1 miles road running
  • Sat 30 Mar 2024
  • £50
Tring, Hertfordshire, UK

Run the Wild Half Marathon - Spring Edition

This half marathon running adventure based in the Chiltern Hills is all about you discovering what Run the Wild is all about!

  • 21.1 km trail running