Trail Half marathons in South West

Find trail half marathons in South West in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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A choice of distances run at night on a spectacular part of the Cornish South West Coast Path - from Cremyll at Mount Edgcumbe - over a challenging course with incredible atmosphere.

Sat 29 Nov
£21-£35

Torpoint, Cornwall, UK

Night on the Edge

A choice of distances run at night on a spectacular part of the Cornish South West Coast Path - from Cremyll at Mount Edgcumbe - over a challenging course with incredible atmosphere.

Families
Newcomers
Dogs allowed at venue
Event village
Park
Age 12 & over

5K run
10K run
Half marathon
CaniCross 3

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 2026
£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 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 at venue
Park
Free venue entry
Sustainability policy
Plastic-free event
Age 15 & over

10K run
CaniCross 2
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.

Sat 16 May 2026
£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
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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 2026
£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 2026
£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.