6 Half marathons in Hertfordshire in March 2024

Find half marathons in and around Hertfordshire in March 2024 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.
  • Sun 24 Mar
  • £34-£36
Waltham Cross, Hertfordshire, UK

ATW Run Fest at Lee Valley | Half Marathon

Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.

  • 13.1 miles road running + 79 ft ascent
  • Sat 23 Mar
  • £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
  • £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
  • £10
Hemel Hempstead, Hertfordshire, UK

GVH Marathon Training Runs | 17 Miles

NEW routes and NEW venue for 2024!!

  • 17 miles road running
  • Sun 24 Mar
  • £10
Hemel Hempstead, Hertfordshire, UK

GVH Marathon Training Runs | 20 Miles

NEW routes and NEW venue for 2024!!

  • 20 miles road running
  • Sat 30 Mar
  • £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

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