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Half marathons in Greater London in March 2026

Find half marathons in Greater London in March 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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The Kew Half Marathon starts inside Kew Gardens and every runner will receive a fantastic medal, a technical running t-shirt (male and female cut) and free entry into the gardens!
  • Sun 29 Mar
  • FREE-£25
Richmond, UK

Kew Gardens Half Marathon

The Kew Half Marathon starts inside Kew Gardens and every runner will receive a fantastic medal, a technical running t-shirt (male and female cut) and free entry into the gardens!

  • 13.1 miles road running + 85 m ascent
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • Sun 15 Mar
  • £20-£57
East Molesey, UK

Hampton Court Palace Half Marathon

  • 13.1 miles multi terrain running
  • Sun 15 Mar
  • £30-£35
Richmond, UK

The Richmond Spring Riverside 10K and Half Marathon Run | Half Marathon

  • 13.1 miles trail running

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