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.

Filter by date

Filter by place

Filter by category

Flat
All

Map

Event listings

Select an event for photos, video, route, location, reviews, entry fees and how to enter.

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.