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Half marathons in UK in March 2026

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

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Lace up your trainers and RUN Battersea Park Half which will be a scenic and energising experience on a pancake-flat course for all abilities with beautiful views of green spaces and the River Thames.
  • Sun 29 Mar 2026
  • £29-£31
  • Sun 29 Mar 2026
  • £29-£31
London, UK

RUN Battersea Park Half Marathon Spring

Lace up your trainers and RUN Battersea Park Half which will be a scenic and energising experience on a pancake-flat course for all abilities with beautiful views of green spaces and the River Thames.

  • Newcomers
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Event village
  • Park
  • Age 18 & over
  • 13.1 miles road running
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 29 Mar 2026
  • £32-£38
  • Sun 29 Mar 2026
  • £32-£38
Brandon, Suffolk, UK

Zig Zag Challenge | 4 Hour

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 4 hrs trail running + 299 ft ascent
  • Sun 1 Mar 2026
London, UK

London Half and 10K Presented by TREK | Half Marathon

  • 21.1 km road running + 117 m ascent
  • Sun 1 Mar 2026
Brandon, Suffolk, UK

High Lodge Half Marathon - Spring

  • 13.1 miles multi terrain running
  • Sun 1 Mar 2026
Northampton, Northamptonshire, UK

Pitsford Water Trail Races | Half Marathon

  • 13.1 miles trail running + 607 ft ascent
  • Sun 1 Mar 2026
Chelmsford, Essex, UK

Chelmsford Half Marathon, 10K and 5K | Half Marathon

  • 13.1 miles road running + 338 ft ascent
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Half Marathon

  • 13.1 miles trail running + 2185 ft ascent
  • Sun 8 Mar 2026
Okehampton, Devon, UK

Granite Way 10 and 20 Mile | 20 Mile

  • 20 miles road running
  • Sun 8 Mar 2026
Burry Port, Dyfed, UK

Great Welsh Marathon Events | Half Marathon

  • 13.1 miles road running + 240 ft ascent
  • Sun 8 Mar 2026
Eastbourne, East Sussex, UK

Eastbourne Half Marathon

  • 13.1 miles road running + 166 m ascent
  • Sun 8 Mar 2026
Tonbridge, Kent, UK

Lambert & Foster Paddock Wood Half Marathon

  • 13.1 miles road running
  • Sun 8 Mar 2026
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sun 8 Mar 2026
Inverness, Highland, UK

Inverness Half Marathon & 5K | Half Marathon

  • 13.1 miles road running
  • Sat 14 Mar 2026
Otley, West Yorkshire, UK

Welcome Way | 13 Mile

  • 13 miles trail running + 2200 ft ascent
  • Sat 14 Mar 2026
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Half Marathon

  • 13 miles trail running
  • Sun 15 Mar 2026
Weymouth, Dorset, UK

Weymouth Half Marathon | Half Marathon

  • 13.1 miles road running + 463 ft ascent
  • Sat 21 Mar 2026
Coniston, Cumbria, UK

Coniston 14

  • 13.1 miles road running
  • Sun 22 Mar 2026
Carlisle, Cumbria, UK

Run Carlisle Half Marathon and 10K | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 20 Mile

  • 20 miles multi terrain running
  • Sun 22 Mar 2026
Wilmslow, Cheshire, UK

Waters Wilmslow Running Festival | The Asics Half Marathon

  • 13.1 miles road running + 386 ft ascent
  • Sun 22 Mar 2026
Merthyr Tydfil, Mid Glamorgan, UK

The Merthyr Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar 2026
Hexham, Northumberland, UK

TRAILDOG Kielder Waterside | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar 2026
Coleford, Gloucestershire, UK

Forest of Dean Spring Trails Half Marathon

  • 13.1 miles trail running
  • Sun 22 Mar 2026
Littleborough, Greater Manchester, UK

Canalathon-Ultra Running Festival | Half marathon

  • 13.1 miles road running + 48 m ascent
  • Sun 22 Mar 2026
Brentwood, Essex, UK

Brentwood Half Marathon

  • 13.1 miles road running

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