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Trail Half marathons in South West

Find trail half marathons in South West 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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Taking place from the iconic Weymouth and Portland National Sailing Academy, all abilities can take part in this festival of running in what is possibly the most stunning of coastal trail locations.
  • Sun 8 Feb
  • £32-£34
Portland, Dorset, UK

Portland Coastal Half Marathon

Taking place from the iconic Weymouth and Portland National Sailing Academy, all abilities can take part in this festival of running in what is possibly the most stunning of coastal trail locations.

  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles trail running + 1172 ft ascent
Off-road trail races around the grounds of Escot Park with some tough little climbs along the way. Ideal for runners of all abilities with canicross category too. Medal for every finisher!
  • Sat 28 Mar
  • £24-£30
Exeter, Devon, UK

Exeter Trail Races

Off-road trail races around the grounds of Escot Park with some tough little climbs along the way. Ideal for runners of all abilities with canicross category too. Medal for every finisher!

  • Trees not tees
  • Recycling
  • Beginner-friendly
  • Dogs allowed at venue
  • Park
  • Free venue entry
  • Sustainability policy
  • Plastic-free event
  • Age 15 & over
  • 10K run
  • CaniCross 2
  • Half marathon
Run your way across the galaxy on a fun, flexible lapped course where you choose the distance, set the pace and earn an out-of-this-world finisher’s medal in the stunning Hurn Forest.
  • Sat 28 Mar
  • £37.50-£39.50
Ringwood, Dorset, UK

Intergalactic

Run your way across the galaxy on a fun, flexible lapped course where you choose the distance, set the pace and earn an out-of-this-world finisher’s medal in the stunning Hurn Forest.

  • Beginner-friendly
  • Enter online
  • Event village
  • Age 18 & over
  • 7 hrs trail running + 56 ft ascent
Missed out on the London Marathon Ballot? No probem! 'London Calling' is the special 'Not London' event!
  • Sun 26 Apr
  • £37.50-£39.50
Blandford Forum, Dorset, UK

London Calling

Missed out on the London Marathon Ballot? No probem! 'London Calling' is the special 'Not London' event!

  • Beginner-friendly
  • Enter online
  • Traffic free
  • Event village
  • Urban
  • Age 18 & over
  • 7 hrs multi terrain running + 33 ft ascent
By popular demand, a half marathon trail race has been added to the multi-sports weekend at the scenic Roadford Lake, with an inclusive and encouraging atmosphere, and lakeside camping.
  • Sat 16 May
  • £28
Lifton, Devon, UK

Roadford Lake Trail Races | Half Marathon

By popular demand, a half marathon trail race has been added to the multi-sports weekend at the scenic Roadford Lake, with an inclusive and encouraging atmosphere, and lakeside camping.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 13.1 miles trail running + 1298 ft ascent
Coastal paths with a satisfying mix of hills plus flatter, faster sections on a multi-lap route round the stunning Mount Edgcumbe Peninsula — a spectacular half marathon coastal challenge.
  • Sat 13 Jun
  • £28
Torpoint, Cornwall, UK

Rame Head Race | Half Marathon

Coastal paths with a satisfying mix of hills plus flatter, faster sections on a multi-lap route round the stunning Mount Edgcumbe Peninsula — a spectacular half marathon coastal challenge.

  • Chip timing
  • Enter online
  • Flat
  • Hilly
  • Age 16 & over
  • 13.1 miles trail running + 2092 ft ascent
Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.
  • Sun 20 Sep
  • £37.50-£39.50
Christchurch, Hampshire, UK

Something to Talk About

Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.

  • Families
  • Beginner-friendly
  • Enter online
  • Undulating
  • Traffic free
  • Event village
  • Age 18 & over
  • 7 hrs trail running + 404 ft ascent
  • Sat 10 Jan
Wadebridge, Cornwall, UK

EnduranceLife - North Cornwall | Half Marathon

  • 13.6 miles trail running + 2654 ft ascent
  • Sat 17 Jan
Christchurch, Hampshire, UK

The Maverick New Forest Gravel | Half Marathon

  • 22 km trail running + 172 m ascent
  • Sat 24 Jan
Kingsbridge, Devon, UK

EnduranceLife - South Devon | Half Marathon

  • 13.3 miles road running + 2238 ft ascent
  • Sat 24 Jan
Newton Abbot, Devon, UK

PAGAN Trails | Half Marathon

  • 14 miles trail running
  • Sun 25 Jan
Ringwood, Dorset, UK

Moors Valley Wildwood Trail Series Half Marathon & 10K

  • 10K run
  • CaniCross 2
  • Half marathon
  • Sat 28 Feb
Newton Abbot, Devon, UK

Hameldown Hammer | Hammer Half Marathon

  • 13.1 miles trail running
  • Sun 15 Mar
Marlborough, Wiltshire, UK

Ramsbury Half & 10K | Half Marathon

  • 13.1 miles multi terrain running + 960 ft ascent
  • Sun 22 Mar
Tiverton, Devon, UK

Grand Canal Canter | Half Marathon

  • 13.1 miles trail running + 90 ft ascent
  • Sun 22 Mar
Coleford, Gloucestershire, UK

Forest of Dean Spring Trails Half Marathon

  • 13.1 miles trail running
  • Sun 22 Mar
Sidmouth, Devon, UK

Norm's Helium Loops | Half Marathon

  • 13.1 miles trail running
  • Sun 26 Apr
Wimborne, Dorset, UK

The Chase Trail Run | Half Marathon

  • 13.1 miles trail running
  • Sat 9 May
Sidmouth, Devon, UK

Sid Valley Ring Half and Third Marathon | Half Marathon

  • 21.1 km trail running + 596 m ascent
  • Sat 9 May
Exmoor, Devon, UK

Endurancelife | Exmoor | Half Marathon

  • 13.5 miles trail running + 2822 ft ascent
  • Sun 10 May
Dorchester, Dorset, UK

Hardy Half Marathon | Original Hardy Half - 13.1 Miles

  • 13.1 miles trail running + 1332 ft ascent
  • Sat 16 May
Plymouth, Devon, UK

Race The Tide | Long Half-Marathon

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

Trail Pursuit: Cornwall | Half Marathon

  • 13.1 miles trail running
  • Sun 28 Jun
Bideford, Devon, UK

The Lundy Island Race

  • 13.5 miles trail running
  • Sat 1 Aug
Ivybridge, Devon, UK

Dartmoor Big Day Out | The Great Escape

  • 15.5 miles trail running

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