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Flat Trail runs in UK

Find flat trail runs in UK in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.
  • Sun 25 Oct
  • £35-£55
Bishop's Stortford, Essex, UK

Stort30

A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.

  • 30 miles trail running + 188 ft ascent
A Halloween-themed running event you won't want to miss, bringing together runners of all abilities to share memories in what they love to do. Reach the finish to enjoy tasty Halloween treats.
  • Sat 31 Oct
  • £4-£56
Leeds, West Yorkshire, UK

Hubble Bubble & Ghostly 1 Mile

A Halloween-themed running event you won't want to miss, bringing together runners of all abilities to share memories in what they love to do. Reach the finish to enjoy tasty Halloween treats.

  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • Trail run
  • + 2 more races
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.
  • Sun 8 Nov
  • £20-£37
Egham, Surrey, UK

Remembrance Run | South

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join in the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in plus you will get a bobble hat for all your effort!
  • Sun 6 Dec
  • £18-£34
Durham, County Durham, UK

The Snow Globe Gallop Bobble Hat Run | North

Come and join in the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in plus you will get a bobble hat for all your effort!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Take on this out and back course to really get in the Christmas spirit. This event isn't just about the race itself, the activities at Race HQ are bound start a jolly atmosphere!
  • Sat 12 Dec
  • £14-£41
Leeds, West Yorkshire, UK

Crikey its the Christmas Cracker | Day 1

Take on this out and back course to really get in the Christmas spirit. This event isn't just about the race itself, the activities at Race HQ are bound start a jolly atmosphere!

  • 5K run
  • 10K run
  • Half marathon
  • Trail run
  • Marathon
  • + 1 more race
An out and back course to really get you in the Christmas spirit with activities at Race HQ bound to start a jolly atmosphere, whether you want a PB or the challenge of a longer distance.
  • Sun 13 Dec
  • £14-£41
Leeds, West Yorkshire, UK

Crikey its the Christmas Cracker | Day 2

An out and back course to really get you in the Christmas spirit with activities at Race HQ bound to start a jolly atmosphere, whether you want a PB or the challenge of a longer distance.

  • 5K run
  • 10K run
  • Half marathon
  • Trail run
  • Marathon
  • + 1 more race
Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.
  • Sat 26 Dec
  • £16-£35
Egham, Surrey, UK

Boxing Day Challenge

Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.

  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
  • Sat 7 Feb
  • £40
Dunbar, East Lothian, UK

Fox Trail Winter Running Series | Race 4 | Half Marathon

  • 13.1 miles trail running
  • Sun 8 Feb
  • £12-£22
Alloa, Fife, UK

Carnegie Harriers Devilla Forest Trail Races

  • 5K run
  • Trail run
  • Sat 14 Feb
  • £100
Crickhowell, Powys, UK

Trails & Tarmac Backyard Ultra - Winter

  • 32 miles trail running
  • Sun 22 Feb
  • £30-£35
York, North Yorkshire, UK

The York 5K, 10K and Half Marathon Winter Warmer Run

  • 5K run
  • 10K run
  • Half marathon
  • Wed 25 Feb
  • £16
Godalming, Surrey, UK

Thursley Common 10K

  • 10 km trail running
  • Sun 1 Mar
  • £41.50
Nottingham, Nottinghamshire, UK

Pierrepont Plod – Winter

  • 6 hrs trail running
  • Sun 1 Mar
  • £36-£42
Pwllheli, Gwynedd, UK

St Davids Day Celebration North Wales Pilgrims Half Marathon | Half Marathon

  • 21 km trail running
  • Sat 7 Mar
  • £45-£65
Bedford, Bedfordshire, UK

Harrold-Odell Country Park Trail Run

  • 10K run
  • Trail run
  • 50K ultra run
  • Sun 8 Mar
  • FREE-£35
Henley-on-Thames, Buckinghamshire, UK

TrailX Women Run

  • Road run
  • Trail run 2
  • Sun 8 Mar
  • £28-£30
Lytham Saint Annes, Lancashire, UK

Grannys Bay Challenge

  • 6 hrs trail running
  • Sun 8 Mar
  • £28-£30
Sheffield, South Yorkshire, UK

March Hares Final Run - Penistone

  • 7 hrs trail running
  • Sun 15 Mar
  • £22-£25
Cambridge, Cambridgeshire, UK

Cambridge Boundary Run

  • Half marathon
  • Marathon
  • Sun 15 Mar
  • £25-£35
Richmond, UK

The Richmond Spring Riverside 10K and Half Marathon Run

  • 10K run
  • Half marathon
  • Sun 22 Mar
  • £31-£37
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20

  • 10 miler
  • Half marathon
  • Sun 22 Mar
  • £22-£44
Tiverton, Devon, UK

Grand Canal Canter

  • 10K run
  • Half marathon
  • Marathon
  • Trail run
  • Sun 22 Mar
  • £33-£35
Richmond, UK

Thames Riverside 20

  • 20 miles trail running
  • Sat 11 Apr
  • £22-£24
Bishop Auckland, County Durham, UK

Stanhope Trail Races | 10K

  • 10 km trail running + 1200 ft ascent
  • Thu 16 Apr
  • £33.30-£39
Sutton Coldfield, Warwickshire, UK

Mallard Challenge

  • 6 hrs trail running

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