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Half marathons in May 2026

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

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  • Sat 2 - Mon 4 May 2026
Keswick, Cumbria, UK

SCARPA Great Lakeland 3Day

  • 3 days fell running
  • Sun 3 May 2026
Shipston-on-Stour, Warwickshire, UK

Tempo Trail Races | Half Marathon

  • 13.1 miles trail running + 884 ft ascent
  • Sun 3 May 2026
Eau Claire, Wisconsin, USA

Eau Claire Marathon | Eau Claire Half Marathon

  • 13.1 miles road running
  • Sun 3 May 2026
Lancing, West Sussex, UK

Three Forts Challenge | Half Marathon

  • 13.1 miles multi terrain running + 1455 ft ascent
  • Sat 9 May 2026
Sidmouth, Devon, UK

Sid Valley Ring Half and Third Marathon | Half Marathon

  • 21.1 km trail running + 596 m ascent
  • Sat 9 May 2026
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon | Half Marathon

  • 13.1 miles trail running
  • Sun 10 May 2026
Vitoria-Gasteiz, Spain

TotalEnergies Vitoria Gasteiz Marathon Martin Fiz | Half Marathon

  • 21 km road running + 51 m ascent
  • Sun 10 May 2026
Corby, Northamptonshire, UK

Run Rabbit Trail Festival | Thump Trail Half

  • 13.1 miles trail running
  • Sun 10 May 2026
Macclesfield, Cheshire, UK

Happy Valley Trails Event | Half Marathon

  • 13.1 miles trail running + 770 m ascent
  • Sun 10 May 2026
Hereford, Herefordshire, UK

RUN Hereford | Half Marathon

  • 13.1 miles road running + 81 m ascent
  • Sun 10 May 2026
Llanrwst, Clwyd, UK

Snowdonia Half Marathon

  • 13.1 miles road running + 1919 ft ascent
  • Sun 10 May 2026
Thirsk, North Yorkshire, UK

Hardmoors 26.2 White Horse Trail Marathon | Half Marathon

  • 16.5 miles trail running + 1900 ft ascent
  • Sun 10 May 2026
Reading, Berkshire, UK

Goring Gap Trails | Run - Half Marathon

  • 13.1 miles trail running + 102 m ascent
  • Sat 16 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Beast 21K

  • 21 km multi terrain running
  • Sat 16 May 2026
Matlock, Derbyshire, UK

White Peak Half Marathon

  • 13.1 miles trail running + 800 ft ascent
  • Sat 16 May 2026
Plymouth, Devon, UK

Race The Tide | Long Half-Marathon

  • 15 miles trail running
  • Sat 16 May 2026
Luxembourg, Luxembourg

ING Night Marathon Luxembourg | Half Marathon

  • 21.1 km road running
  • Sun 17 May 2026
Riga, Latvia

Rimi Riga Marathon | Half Marathon

  • 21 km road running
  • Sun 17 May 2026
Keighley, West Yorkshire, UK

Sue Ryder Bronte Half Marathon

  • 13.1 miles multi terrain running + 1811 ft ascent
  • Sun 17 May 2026
Tossa de Mar, Spain

Run Festival Tossa de Mar - Half Marathon

  • 21 km trail running
  • Sun 17 May 2026
Worcester, Worcestershire, UK

Worcester Marathon, Half Marathon and 10K | Half Marathon

  • 13.1 miles road running + 512 ft ascent
  • Sun 17 May 2026
Hope Valley, Derbyshire, UK

Eyam Half Marathon | Half Marathon Run

  • 13.1 miles road running + 1699 ft ascent
  • Sat 23 May 2026
Eastbourne, East Sussex, UK

Seven Sisters Half Marathon

  • 13.1 miles trail running + 2057 ft ascent
  • Sun 24 May 2026
Exeter, Devon, UK

Bishop Fleming Great West Run | Half Marathon

  • 13.1 miles road running + 722 ft ascent
  • Sat 30 May 2026
Ballycastle, County Antrim, UK

Norn Iron 100 Half Marathon

  • 13.1 miles trail running

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