111
Flat Half marathons in UK
Find flat half marathons in UK in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by date
This week
This weekend
Next week
Next weekend
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Aug
Sep
Oct
Autumn
Winter
Spring
Summer
Filter by place
Edinburgh
Glasgow
Liverpool
Manchester
Leeds
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
North West
Scotland
Wales
Northern Ireland
Jersey
Everywhere
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 8 Feb 2026
Glasgow, Glasgow City, UK
The Glasgow 5K, 10K and Half Marathon Winter Warmer Run | Half Marathon
- 13.1 miles road running
- Sun 8 Feb 2026
Llanelli, Dyfed, UK
Llanelli 10K & Half Marathon | Half Marathon
- 13.1 miles road running + 58 m ascent
- Sun 22 Feb 2026
York, North Yorkshire, UK
The York 5K, 10K and Half Marathon Winter Warmer Run | Half Marathon
- 13.1 miles trail running + 24 m ascent
- Sun 22 Feb 2026
Wokingham, Berkshire, UK
David Cliff Wokingham Half Marathon | Half Marathon
- 13.1 miles road running
- Sat 28 Feb 2026
Liverpool, Merseyside, UK
The Liverpool 5K, 10K and Half Marathon Winter Warmer Run | Half Marathon
- 13.1 miles road running + 72 m ascent
- Sun 1 Mar 2026
London, UK
London Half and 10K Presented by TREK | Half Marathon
- 21.1 km road running + 117 m ascent
- Sun 8 Mar 2026
Burry Port, Dyfed, UK
Great Welsh Marathon Events | Half Marathon
- 13.1 miles road running + 240 ft ascent
- Sun 8 Mar 2026
Tonbridge, Kent, UK
Lambert & Foster Paddock Wood Half Marathon
- 13.1 miles road running
- Sun 15 Mar 2026
Richmond, UK
The Richmond Spring Riverside 10K and Half Marathon Run | Half Marathon
- 13.1 miles trail running
- Sun 15 Mar 2026
London, UK
Hackney Legacy Half Marathon and Legacy Mile | Half Marathon
- 13.1 miles road running
- Sun 15 Mar 2026
Milton Keynes, Buckinghamshire, UK
Milton Keynes Festival of Running | Half Marathon
- 13.1 miles road running
- Sun 22 Mar 2026
Tiverton, Devon, UK
Grand Canal Canter | Half Marathon
- 13.1 miles trail running + 90 ft ascent
- Sun 22 Mar 2026
Herne Bay, Kent, UK
Run Whitstable & Herne Bay Spring 5K, 10K and Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK
Twin Lakes 20 | 20 Mile
- 20 miles multi terrain running
- Sun 22 Mar 2026
Carlisle, Cumbria, UK
Run Carlisle Half Marathon and 10K | Half Marathon
- 13.1 miles road running
- Sun 22 Mar 2026
Wilmslow, Cheshire, UK
Waters Wilmslow Running Festival | The Asics Half Marathon
- 13.1 miles road running + 386 ft ascent
- Sun 22 Mar 2026
Littleborough, Greater Manchester, UK
Canalathon-Ultra Running Festival | Half marathon
- 13.1 miles road running + 48 m ascent
- Sun 29 Mar 2026
Llandudno, Clwyd, UK
Llandudno Half Marathon & 10 Mile | Half Marathon
- 13.1 miles road running
- Sun 5 Apr 2026
Bristol, Gloucestershire, UK
North Bristol Brabazon Half Marathon & 10K | Half Marathon
- 13.1 miles road running + 44 m ascent
- Sun 19 Apr 2026
Cambridge, Cambridgeshire, UK
Northstowe Half & Toms Trust 5K | Northstowe Half Marathon
- 13.1 miles multi terrain running
- Sun 26 Apr 2026
Stratford-upon-Avon, Warwickshire, UK
Shakespeare Marathon & Half Marathon | Half Marathon
- 13.1 miles road running + 102 m ascent