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Flat Trail runs in May 2026

Find flat trail runs 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.

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4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?
  • Fri 1 May
  • £100-£102
Portland, Dorset, UK

Portland Pig BackYard Ultra

4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?

  • 1 day multi terrain running
  • Beginner-friendly
  • Chip timing
  • Enter online
  • Flat
  • Event village
  • Rural
  • Coast
  • Plastic-free event
  • Age 20 & over
This Bank Holiday event is run as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
  • Mon 4 May
  • £16-£27
Staines, Surrey, UK

Bank Holiday Madness May

This Bank Holiday event is run as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • All ages
The Magna Carta event are based in scenic Runnymede and right near the site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
  • Sat 9 May
  • £33-£55
Egham, Surrey, UK

Magna Carta Summer

The Magna Carta event are based in scenic Runnymede and right near the site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.

  • 10K run
  • Half marathon
  • Marathon
  • Beginner-friendly
  • Event village
  • Age 16 & over
Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
  • Sun 10 May
  • £16-£35
Staines, Surrey, UK

The Spring Lucky Dip Run

Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Beginner-friendly
  • Event village
  • All ages
Based out of East Hull this race will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes.
  • Sun 24 May
  • £14-£42
Hull, East Yorkshire, UK

Get the Hull out of Here

Based out of East Hull this race will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes.

  • 5K run
  • 10K run
  • 10 miler
  • Half marathon
  • Trail run
  • + 1 more race
  • Beginner-friendly
  • Event village
  • Park
  • Age 16 & over
  • Sat 2 May
  • £39
Ventnor, Isle of Wight, UK

Medina 10 Mile

  • 10 miles trail running
  • Sat 9 May
  • £60
Taunton, Somerset, UK

Westcountry Ultra Flat 50 Miler

  • 50 miles trail running + 2128 ft ascent
  • Thu 14 May
  • £17-£24
Leyburn, North Yorkshire, UK

Stately Trails: Constable Burton

  • 5K run
  • 10K run
  • Short walk
  • Sun 17 May
  • £7
Leeds, West Yorkshire, UK

Cookridge Community Fun Run

  • 1 mile trail running
  • Sat 23 May
  • £89
Richmond, UK

London 2 Brighton Ultra Challenge | 1st Quarter

  • 25 km trail running + 200 m ascent
  • Sat 23 May
  • £42-£44
Eastbourne, East Sussex, UK

Seven Sisters Half Marathon

  • 13.1 miles trail running + 2057 ft ascent
  • Sat 30 May
  • £15-£24
Morpeth, Northumberland, UK

Northumberland Trail Runs

  • Trail run 3

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