35

Trail Half marathons in May 2026

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

Filter by date

Filter by place

Filter by category

Map

Event listings

Select an event for photos, video, route, location, reviews, entry fees and how to enter.

  • Sun 10 May 2026
Dorchester, Dorset, UK

Hardy Half Marathon | Original Hardy Half - 13.1 Miles

  • 13.1 miles trail running + 1332 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
Rugeley, Staffordshire, UK

Merrell Cannock Chase Challenge | Half Marathon Trail Run

  • 13.1 miles trail 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
  • Sun 17 May 2026
Tossa de Mar, Spain

Run Festival Tossa de Mar - Half Marathon

  • 21 km trail running
  • Sat 23 May 2026
Ballyvaughan, Ireland

Clare Burren Marathon Challenge | Half Marathon

  • 13.1 miles trail running
  • Sat 23 May 2026
Eastbourne, East Sussex, UK

Seven Sisters Half Marathon

  • 13.1 miles trail running + 2057 ft ascent
  • Sat 30 May 2026
Ballycastle, County Antrim, UK

Norn Iron 100 Half Marathon

  • 13.1 miles trail running
  • Sat 30 May 2026
Saint Agnes, Cornwall, UK

Trail Pursuit: Cornwall | Half Marathon

  • 13.1 miles trail running

Other UK events

Search options

Back to search options
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.