Half marathons with PB potential in South West
Find half marathons with pb potential 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 place
Filter by date
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 1 Mar
- £37.50-£39.50
Taunton Half Marathon
40th edition! A highly anticipated annual half marathon for the running community with the theatre of a traffic-free, town centre start and finish for that great race-day buzz!
- 13.1 miles road running + 505 ft ascent
- Sun 15 Mar
- £15-£45
GetPRO Bath Half
Run through traffic-free streets in the heart of Bath and experience the electric atmosphere on the course through the UK's only World Heritage City!
- 13.1 miles road running + 239 ft ascent
- Sun 28 Jun
- £37
North Devon Half Marathon
Now in its 16th year, runners can embrace beautiful coastal views over a tough half marathon route to finish with a delicious cream tea at the finish line! Looking for your next run? This is the one.
- 13.1 miles multi terrain running
- Sun 11 Oct
- £46.25-£51.50
Bournemouth Half Marathon
Sun, sea and 13.1 miles of stunning coastline — a spectacular half marathon taking you across both Bournemouth piers, as the headline event of the Run Bournemouth running festival!
- 13.1 miles road running + 101 m ascent
- Sun 1 Nov
- £38.99-£47.99
Cirencester Half Marathon
A closed-road race through the heart of the Cotswolds — a course that blends historic charm, scenic countryside, and an unforgettable race-day atmosphere.
- 13.1 miles road running
- Sun 13 Dec
- £37.50-£39.50
Step into Christmas
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
- 7 hrs road running
- Sun 15 Mar
- £36-£38
Weymouth Half Marathon | Half Marathon
- 13.1 miles road running + 463 ft ascent
- Sun 22 Mar
- £35-£37
Devizes Half Marathon | Devizes Half Marathon
- 13.1 miles road running + 620 ft ascent
- Sun 20 Sep
- £39
Torbay Half Marathon and 10K | Half Marathon
- 13.1 miles road running