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Flat Half marathons in UK in March 2026
Find flat half marathons in UK in March 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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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 8 Mar
- £42
Burry Port, Dyfed, UK
Great Welsh Marathon Events | Half Marathon
- 13.1 miles road running + 240 ft ascent
- Sun 8 Mar
- £28-£40
Tonbridge, Kent, UK
Lambert & Foster Paddock Wood Half Marathon
- 13.1 miles road running
- Sun 15 Mar
- £20-£57
East Molesey, UK
Hampton Court Palace Half Marathon
- 13.1 miles multi terrain running
- Sun 15 Mar
- £22-£25
Cambridge, Cambridgeshire, UK
Cambridge Boundary Run | Half Marathon
- 13.1 miles trail running
- Sun 15 Mar
- £35
Richmond, UK
The Richmond Spring Riverside 10K and Half Marathon Run | Half Marathon
- 13.1 miles trail running
- Sun 15 Mar
- £34-£38
London, UK
Hackney Legacy Half Marathon and Legacy Mile | Half Marathon
- 13.1 miles road running
- Sun 15 Mar
- £26
Edinburgh, UK
Cramond Promenade 5K/10K/Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 15 Mar
- £34-£37
Milton Keynes, Buckinghamshire, UK
Milton Keynes Festival of Running | Half Marathon
- 13.1 miles road running
- Sun 22 Mar
- £33-£35
Tiverton, Devon, UK
Grand Canal Canter | Half Marathon
- 13.1 miles trail running + 90 ft ascent
- Sun 22 Mar
- £30-£35
Herne Bay, Kent, UK
Run Whitstable & Herne Bay Spring 5K, 10K and Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 22 Mar
- £35-£37
Milton Keynes, Buckinghamshire, UK
Twin Lakes 20 | 20 Mile
- 20 miles multi terrain running
- Sun 22 Mar
- £32-£34
Carlisle, Cumbria, UK
Run Carlisle Half Marathon and 10K | Half Marathon
- 13.1 miles road running
- Sun 22 Mar
- £35
Wilmslow, Cheshire, UK
Waters Wilmslow Running Festival | The Asics Half Marathon
- 13.1 miles road running + 386 ft ascent
- Sun 22 Mar
- £45
Littleborough, Greater Manchester, UK
Canalathon-Ultra Running Festival | Half marathon
- 13.1 miles road running + 48 m ascent
- Sun 29 Mar
- £40-£42
Llandudno, Clwyd, UK
Llandudno Half Marathon & 10 Mile | Half Marathon
- 13.1 miles road running