UK trail half marathons

49 coming up. Half marathon distance off-road, on trails, in forests and over the hills.

UK trail half marathons

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November 2026

7 races

Sold out

Sat 7 Nov 2026

Hardmoors 26.2 Goathland Trail Races

Running · Goathland, North Yorkshire

Marathon · Half Marathon · 10K

Sun 8 Nov 2026

Windsor Trail Run

Running · Windsor, Berkshire

Half Marathon · 10K

Sat 14 Nov 2026

Wharfedale Skyline

Running · Otley, West Yorkshire

Half Marathon

Sat 14 Nov 2026

Wooler Trail Marathon

Running · Wooler, Northumberland

Marathon · Half Marathon

Sun 22 Nov 2026

Delamere Forest 10k, 21k & 42k (November)

Running · Delamere, Cheshire

Marathon · Half Marathon · 10K

Sun 22 Nov 2026

RunThrough Wimbledon Common Half Marathon & 10k

Running · London, Greater London

Half Marathon · 10K

Sun 29 Nov 2026

Stanwick Lakes Winter Run

Running · Stanwick, Northamptonshire

Half Marathon · 10K · 5K

January 2027

2 races

Sun 17 Jan 2027

Cheshire 3 Peaks Half Marathon (Winter)

Running · Macclesfield, Cheshire

Half Marathon

Sat 23 Jan 2027

Endurancelife South Devon

Running · Kingsbridge, Devon

Marathon · Half Marathon · 10K

February 2027

4 races

Sat 6 Feb 2027

The Icing on the Cake Trail Run

Running · Church Stretton, Shropshire

10K · Half Marathon · Marathon

Sun 7 Feb 2027

Hardmoors 26.2 Saltburn Trail Races

Running · Saltburn-by-the-Sea, North Yorkshire

10K · Half Marathon · Marathon

Date TBC · est. Feb 2027

Glentress Trail Marathon

Running · Peebles, Scottish Borders

Marathon · Half Marathon · 10K

Sun 21 Feb 2027

Alnwick Castle Trail Runs

Running · Alnwick, Northumberland

10K · Half Marathon

March 2027

4 races

Date TBC · est. Mar 2027

Dark Skies Run @ Kielder

Running · Kielder, Northumberland

Marathon · Half Marathon · 10K

Sun 7 Mar 2027

Lulworth Castle Trail Run

Running · East Lulworth, Dorset

Half Marathon · 10K

Sun 7 Mar 2027

Pitsford Water Trail Races

Running · Brixworth, Northamptonshire

Half Marathon · 10K

Sat 13 Mar 2027

Jurassic Express Trail Run

Running · Swanage, Dorset

Half Marathon

April 2027

7 races

10–11 Apr 2027

Monsal Trail Half Marathon & 10K

Running · Bakewell, Derbyshire

Half Marathon · 10K

Sun 11 Apr 2027

Haughley Festival of Running

Running · Haughley, Suffolk

Marathon · Half Marathon · 10K

Sun 18 Apr 2027

Chasewater Trail Half Marathon & 10k

Running · Burntwood, Staffordshire

10K · Half Marathon

Sat 24 Apr 2027

Endurancelife Pembrokeshire

Running · Haverfordwest, Pembrokeshire

Marathon · Half Marathon · 10K

Sun 25 Apr 2027

Delamere Forest 10k, 21k & 42k (Spring)

Running · Delamere, Cheshire

Marathon · Half Marathon · 10K

Sun 25 Apr 2027

Tissington Trail Marathon & Half Marathon

Running · Ashbourne, Derbyshire

Marathon · Half Marathon

Date TBC · est. Apr 2027

UK Trail Running Festival

Running · Wimborne, Dorset

Marathon · Half Marathon

May 2027

10 races

Sat 1 May 2027

The Maverick Exmoor X-Trail

Running · Lynton, Devon

Marathon · Half Marathon · 10K

Sun 2 May 2027

Three Forts Challenge

Running · Lancing, West Sussex

Marathon · Half Marathon

Sat 8 May 2027

Endurancelife Exmoor

Running · Barnstaple, Devon

Marathon · Half Marathon · 10K

8–9 May 2027

Run Rabbit Trail Festival

Running · Corby, Northamptonshire

Half Marathon · 10K

Sun 9 May 2027

Hardmoors 26.2 White Horse Trail Races

Running · Sutton Bank, North Yorkshire

Trail 10K (8 miles) · Half Marathon (17 miles) · Marathon (28 miles)

Sun 9 May 2027

Shires and Spires

Running · Naseby, Northamptonshire

Marathon · Half Marathon · 10K

Sun 9 May 2027

Zig Zag Marathon & Half

Running · Bury St Edmunds, Suffolk

Marathon · Half Marathon

21–23 May 2027

Keswick Mountain Festival Trail Races

Running · Keswick, Cumbria

Half Marathon · 10K · 5K

22–23 May 2027

Goring Gap Trails Festival

Running · Goring-on-Thames, Oxfordshire

Marathon · Half Marathon · 10K

Sat 22 May 2027

The Maverick Cotswolds Trail

Running · Winchcombe, Gloucestershire

Marathon · Half Marathon · 10K

June 2027

5 races

Date TBC · est. Jun 2027

Lakeland Trails Coniston Marathon

Running · Coniston, Cumbria

Marathon · Half Marathon

Sun 13 Jun 2027

Cheddar Gorge Challenge

Running · Cheddar, Somerset

Marathon · Half Marathon · 10K

Date TBC · est. Jun 2027

The Hampshire Hoppit

Running · Basingstoke, Hampshire

Marathon · Half Marathon · 10K

Sat 19 Jun 2027

The Maverick North Downs Trail

Running · Cranleigh, Surrey

Marathon · Half Marathon · 10K

Sun 20 Jun 2027

Hardmoors 26.2 Wainstones Trail Races

Running · Chop Gate, North Yorkshire

Trail 10K (9.5 miles) · Half Marathon (16.5 miles) · Marathon (28.5 miles)

July 2027

2 races

10–11 Jul 2027

Snowdonia Trail Marathon Eryri

Running · Llanberis, Gwynedd

Marathon · Half Marathon · 10K

Sun 11 Jul 2027

Rutland Water Trail Races

Running · Edith Weston, Rutland

Half Marathon · 10K

September 2027

2 races

Date TBC · est. Sep 2027

Glencoe Marathon

Running · Glencoe, Highland

Marathon · Half Marathon

Date TBC · est. Sep 2027

RunThrough Trails Hamsterley Forest

Running · Hamsterley, County Durham

5K · 10K · Half Marathon

October 2027

5 races

2–3 Oct 2027

Kielder Marathon

Running · Kielder, Northumberland

Marathon · Half Marathon · 10K

Sun 3 Oct 2027

Cannock Wild Trail Runs

Running · Rugeley, Staffordshire

5K · 10K · Half Marathon

Sun 3 Oct 2027

Thames Meander Autumn

Running · Barnes, Greater London

Marathon · Half Marathon · 10K

Date TBC · est. Oct 2027

Eden Project Marathon & Half Marathon

Running · St Austell, Cornwall

Marathon · Half Marathon

Date TBC · est. Oct 2027

Beachy Head Marathon

Running · Eastbourne, East Sussex

Marathon · Half Marathon · 10K

December 2027

1 race

Sat 4 Dec 2027

Carsington Water Half Marathon & 10k

Running · Carsington, Derbyshire

Half Marathon · 10K

Why run a trail half?

A trail half marathon is one of the best ways into off-road racing: long enough to feel like an adventure, short enough to fit around normal life. Courses vary a lot, from gentle forest paths to steep coastal climbs, so read the description and check the elevation before you enter.

Distances on trail are often approximate. Plan your fuelling by time, not miles, and use the running pace calculator for a rough target.

Are trail half marathons good for beginners?

Yes, especially flat forest or park courses. Most organisers set generous cut-offs and many runners walk the steep sections.

Is a trail half exactly 13.1 miles?

Often not. Many are a little short or long because the course follows the available paths, so check each listing.

UK trail half marathons