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Trail Half marathons in March 2026

Find trail half marathons near me in March 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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Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
  • Sun 1 Mar 2026
  • £22-£35
Aberdare, Mid Glamorgan, UK

St Davids Day Dragon Run | Half Marathon

Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running
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 6 Mar 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Mar | 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.

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 7 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Panda Plod | Half Marathon

There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.
  • Sat 14 Mar 2026
  • £29-£31
Leeds, West Yorkshire, UK

Spring Time Canal Canter | Half Marathon

Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 144 ft ascent
Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?
  • Sat 14 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Sloth Scamper | Half Marathon

Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
  • Sat 21 Mar 2026
  • £27-£38
Buntingford, Hertfordshire, UK

Moo-rathon, Calf and Hen K

Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.

  • Newcomers
  • Dogs allowed
  • Event village
  • Age 18 & over
  • Multi-terrain run 2
Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?
  • Sat 21 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Flying Fox | Half Marathon

Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 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 2026
  • £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
  • Newcomers
  • Dogs allowed
  • Park
  • Free venue entry
  • Sustainability policy
  • Plastic-free event
  • Age 15 & over
  • 10K run
  • CaniCross 2
  • Half marathon
"My milkshake brings all the boys to the yard"...not quite sure where we're going with this but come and join Saturn Running for our Milkshake Meander event!
  • Sat 28 Mar 2026
  • £23-£35
Staines, Surrey, UK

Milkshake Meander | Half Marathon

"My milkshake brings all the boys to the yard"...not quite sure where we're going with this but come and join Saturn Running for our Milkshake Meander event!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 29 Mar 2026
  • £32-£38
Brandon, Suffolk, UK

Zig Zag Challenge

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.

  • Newcomers
  • Dogs allowed
  • Event village
  • Park
  • Age 18 & over
  • Multi-terrain run 2
Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.
  • Sun 29 Mar 2026
  • £29-£31
Shipley, West Yorkshire, UK

Sir Titus March Mayhem | Half Marathon

Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.

  • Chip timing
  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles trail running + 253 ft ascent
Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!!
  • Sun 29 Mar 2026
  • £17-£29
Durham, County Durham, UK

Fraggle Run - North | Half Marathon

Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running
  • Sun 1 Mar 2026
Brandon, Suffolk, UK

High Lodge Half Marathon - Spring

  • 13.1 miles multi terrain running
  • Sun 1 Mar 2026
Northampton, Northamptonshire, UK

Pitsford Water Trail Races | Half Marathon

  • 13.1 miles trail running + 607 ft ascent
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Half Marathon

  • 13.1 miles trail running + 2185 ft ascent
  • Sun 8 Mar 2026
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sat 14 Mar 2026
Otley, West Yorkshire, UK

Welcome Way | 13 Mile

  • 13 miles trail running + 2200 ft ascent
  • Sat 14 Mar 2026
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Half Marathon

  • 13 miles trail running
  • Sun 15 Mar 2026
Marlborough, Wiltshire, UK

Ramsbury Half & 10K | Half Marathon

  • 13.1 miles multi terrain running + 960 ft ascent
  • Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 20 Mile

  • 20 miles multi terrain running
  • Sun 22 Mar 2026
Coleford, Gloucestershire, UK

Forest of Dean Spring Trails Half Marathon

  • 13.1 miles trail running
  • Sun 22 Mar 2026
Hexham, Northumberland, UK

TRAILDOG Kielder Waterside | Half Marathon

  • 13.1 miles road running
  • Sat 28 Mar 2026
Tring, Hertfordshire, UK

Run the Wild Half Marathon - Spring Edition

  • 21.1 km trail running + 300 m ascent
  • Sun 29 Mar 2026
Arundel, West Sussex, UK

Springtide Half Marathon

  • 13.5 miles trail running + 1175 ft ascent

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