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Trail Half marathons in UK in April 2026

Find trail half marathons in UK in April 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

The aim of the midweek runs is to hold events 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.
  • Fri 17 Apr
  • £15-£27
Staines, Surrey

Midweek Medal Madness Run April | Half Marathon

The aim of the midweek runs is to hold events 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.

  • 13.1 miles trail running
  • Enter online
  • Age 17 & over
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
  • Sat 18 Apr
  • £15-£35
Staines, Surrey

The London Run

Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • All ages
Welcome to a 6-hour timed running event where you can run a half marathon at your own pace on a beautiful route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 18 Apr
  • £32-£34
Northampton, Northamptonshire

Spring Run | Half Marathon

Welcome to a 6-hour timed running event where you can run a half marathon at your own pace on a beautiful route, with fuel stations each lap, and a medal and goody bag at the finish.

  • 13.1 miles trail running
  • Enter online
  • Traffic free
  • Age 17 & over
Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.
  • Sat 18 Apr
  • FREE-£36
Midhurst, West Sussex

Spring Trail Series | 12K

Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.

  • 12 km trail running + 130 m ascent
  • Enter online
  • Age 18 & over
A relaxed, lap-based trail run through picturesque countryside, giving you complete control over your distance — perfect for beginners, returning runners or those chasing longer goals.
  • Sun 19 Apr
  • £27-£38
Dereham, Norfolk

The Roman Ramble

A relaxed, lap-based trail run through picturesque countryside, giving you complete control over your distance — perfect for beginners, returning runners or those chasing longer goals.

  • 5K run
  • 10K run
  • Trail run
  • Half marathon 2
  • Marathon
  • + 1 more race
  • Families
  • Beginner-friendly
  • Event village
  • Rural
  • Age 14 & over
Come and join in for the Who You Going To Call? event! Whether you run 3km or for the whole 7 hours, you will earn yourself one of the incredible medals to celebrate your achievement!!
  • Sun 19 Apr
  • £22-£34
Northampton, Northamptonshire

Who You Going To Call? - Northampton | Half Marathon

Come and join in for the Who You Going To Call? event! Whether you run 3km or for the whole 7 hours, you will earn yourself one of the incredible medals to celebrate your achievement!!

  • 13.1 miles trail running
  • Enter online
  • Age 17 & over
If you've never visited or run around the grounds of Temple Newsam then you're in for a treat with this half marathon. Temple Newsam is a jewel in the crown for Leeds.
  • Sun 19 Apr
  • £32-£34
Leeds, West Yorkshire

Tempting at Tempsey | Half Marathon

If you've never visited or run around the grounds of Temple Newsam then you're in for a treat with this half marathon. Temple Newsam is a jewel in the crown for Leeds.

  • 13.1 miles trail running
  • Enter online
  • Undulating
  • Age 17 & over
Set in the heart of an AONB on the legendary Pennine Way, this brand-new half marathon trail race brings a signature community, energy, and wild trails to one of the UK's most iconic landscapes.
  • Sun 19 Apr
  • £18
Barnard Castle, County Durham

Trail Blazer: Dam Busters | Half Marathon

Set in the heart of an AONB on the legendary Pennine Way, this brand-new half marathon trail race brings a signature community, energy, and wild trails to one of the UK's most iconic landscapes.

  • 13.1 miles trail running
  • Enter online
  • Hilly
  • Age 16 & over
Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!
  • Sun 26 Apr
  • £15-£35
Aberdare, Mid Glamorgan

The Nearly But Not Quite London Marathon | Wales

Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • Park
  • All ages
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

London Calling

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

  • 7 hrs multi terrain running + 33 ft ascent
  • Beginner-friendly
  • Enter online
  • Traffic free
  • Event village
  • Urban
  • Age 18 & over
Come and join this slice of racing joy through the picturesque Derbyshire countryside. With a slightly downhill second half - you've got gravity on your side and a truly beautiful route.
  • Sun 26 Apr
  • £38
Ashbourne, Derbyshire

Tissington Trail Marathon & Half Marathon | Half Marathon

Come and join this slice of racing joy through the picturesque Derbyshire countryside. With a slightly downhill second half - you've got gravity on your side and a truly beautiful route.

  • 13.1 miles trail running + 1053 ft ascent
  • Enter online
  • PB
  • Traffic free
  • Age 17 & over
  • Sat 18 Apr
  • £30
Craven Arms, Shropshire

Shropshire Way 80K Festival | Half-Mammothon

  • 21 km trail running + 650 m ascent
  • Sat 18 Apr
  • £28-£30
Newark, Nottinghamshire

Thoresby Park Longhorn Trail Event | Half Marathon Trail Run

  • 13.1 miles trail running
  • Sat 18 Apr
  • £35-£37
Skipton, North Yorkshire

Burnsall Half Marathon

  • 13.1 miles trail running
  • Sun 19 Apr
  • From £40
Tunbridge Wells, East Sussex

Eridge Park - Trail Half Marathon & 10K | Half Marathon

  • 13.1 miles trail running
  • Sun 19 Apr
  • £40
Basingstoke, Hampshire

Dell 10K & Half Marathon | Half Marathon

  • 13.1 miles trail running
  • Sat 25 Apr
  • £35
Malvern, Worcestershire

Malvern Hills Trail Half Marathon

  • 13 miles trail running + 800 m ascent
  • Sat 25 Apr
  • £47
Haverfordwest, Pembrokeshire

EnduranceLife - Pembrokeshire | Half Marathon

  • 13.4 miles trail running + 1578 ft ascent
  • Sun 26 Apr
  • £44
Wimborne, Dorset

The Chase Trail Run | Half Marathon

  • 13.1 miles trail running
  • Sun 26 Apr
  • £31
Clun, Shropshire

Clun Valley Trail Half Marathon

  • 13.1 miles trail running + 2000 ft ascent
  • Thu 30 Apr - Sun 3 May
  • £200-£1,200
London

Run2Paris

  • 4 days multi terrain running

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