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Trail Half marathons in March 2026

Find trail half marathons near me 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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  • Sun 8 Mar
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sat 14 Mar
Otley, West Yorkshire, UK

Welcome Way | 13 Mile

  • 13 miles trail running + 2200 ft ascent
  • Sat 14 Mar
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Half Marathon

  • 13 miles trail running
  • Sun 15 Mar
Cambridge, Cambridgeshire, UK

Cambridge Boundary Run | Half Marathon

  • 13.1 miles trail running
  • Sun 15 Mar
Richmond, UK

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

  • 13.1 miles trail running
  • Sun 15 Mar
Marlborough, Wiltshire, UK

Ramsbury Half & 10K | Half Marathon

  • 13.1 miles multi terrain running + 960 ft ascent
  • Sun 22 Mar
Tiverton, Devon, UK

Grand Canal Canter | Half Marathon

  • 13.1 miles trail running + 90 ft ascent
  • Sun 22 Mar
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 20 Mile

  • 20 miles multi terrain running
  • Sun 22 Mar
Coleford, Gloucestershire, UK

Forest of Dean Spring Trails Half Marathon

  • 13.1 miles trail running
  • Sun 22 Mar
Hexham, Northumberland, UK

TRAILDOG Kielder Waterside | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar
Sidmouth, Devon, UK

Norm's Helium Loops | Half Marathon

  • 13.1 miles trail running
  • Sat 28 Mar
Tring, Hertfordshire, UK

Run the Wild Half Marathon - Spring Edition

  • 21.1 km trail running + 300 m ascent
  • Sun 29 Mar
Arundel, West Sussex, UK

Springtide Half Marathon

  • 13.5 miles trail running + 1175 ft ascent

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