3 Half marathons in London in March 2023

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

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  • Sun 12 Mar
  • £25
Richmond, UK

Richmond Park March | Half Marathon

Join March Richmond Park 5k, 10k and half marathon around this gorgeous venue.

  • 13.1 miles multi terrain running
  • Sat 25 Mar
  • £25
London, UK

Conquer Crystal Palace Spring | Half Marathon

Join for this fantastic event. Run Crystal Palace Park 5k, 10k, 15k or half marathon and take on the challenging ups and downs of this course.

  • 13.1 miles road running
  • Sun 26 Mar
  • £38-£40
Richmond, UK

Richmond Park Half Marathon

A wonderful half marathon distance trail run held entirely within Richmond Park.

  • 13.1 miles trail running
  • Newcomers
  • Enter online
  • Event village
  • Park
  • Age 17 & over
  • Half marathons