Flat half marathons in the UK
43 upcoming half marathons where the organiser describes the course as flat.
November 2026 · 13
- The Cardiff MoRun
Sunday, 1 November 2026 · Cardiff, Cardiff
Course: flat
- ATW Bedford 10k and Half Marathon
1 November 2026 · Bedford, Bedfordshire
Course: flat
- Gainsborough Morton 10K & Half Marathon
Gainsborough, Lincolnshire
Course: Flat
- ATW Remembrance Runs
7 November 2026 · Saffron Walden, Essex
Course: flat
- RunThrough Windsor Trail Run 2026
8 November 2026 · Windsor, Berkshire
Course: flat
- Windsor Trail Run Half Marathon & 10K November
November 2026 · Windsor, Berkshire
Course: flat
- Dorney Lake Half Marathon, 10K & 5K November
November 2026 · Dorney, Buckinghamshire
Course: flat
- Dorney Lake Series 2
8 November 2026 · Windsor, Berkshire
Course: flat
- Battersea Park 2026 Series 2
14 November 2026 · London, London
Course: flat
- Battersea Park Half Marathon & 10K November
Saturday, 14 November 2026 · Battersea, Greater London
Course: flat
- Battersea Park Half Marathon November
London, London
Course: flat
- Run Battersea Park Half Marathon 2026
15 November 2026 · London, Greater London
Course: flat
- Gosport Half Marathon
15 November 2026 · Gosport, Hampshire
Course: flat
December 2026 · 7
- Battersea Park 2026 Series 2
5 December 2026 · London, London
Course: flat
- Battersea Park Christmas 10K & Half Marathon December
Saturday, 5 December 2026 · Battersea, Greater London
Course: Flat
- RunThrough Darlington Half Marathon
6 December 2026 · Darlington, County Durham
Course: flat
- Dorney Lake Series 2
12 December 2026 · Windsor, Berkshire
Course: Flat
- Dorney Lake Half Marathon, 10K & 5K December
December 2026 · Eton, Buckinghamshire
Course: flat
- Run Aintree
13 December 2026 · Liverpool, Merseyside
Course: flat
- RunThrough Town Moor & Exhibition Park 5k, 10k & Half Marathon
20 December 2026 · Newcastle upon Tyne, Tyne and Wear
Course: flat
January 2027 · 3
- Battersea Park 2027 Series 1
9 January 2027 · London, London
Course: flat
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
10 January 2027 · Hackney, London
Course: flat
- Brass Monkey Half Marathon
17 January 2027 · York, North Yorkshire
Course: flat
February 2027 · 4
- Great Bentley Half Marathon 2027
7 February 2027 · Great Bentley, Essex
Course: flat
- Battersea Park 2027 Series 1
13 February 2027 · London, London
Course: flat
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
27 February 2027 · Hackney, London
Course: flat
- ATW Nottingham Holme Run
28 February 2027 · Holme Pierrepont, Nottinghamshire
Course: flat
March 2027 · 6
- Hospice Half Marathon
21 March 2027 · Jersey, Jersey
Course: flat
- The Secret Running Festival
21 March 2027 · Nantwich, Cheshire
Course: flat
- Green Park Reading Half Marathon
21 March 2027 · Reading, Berkshire
Course: undulating rather than completely flat
- Hospice Half Marathon 2 Person Relay
21 March 2027 · Jersey, Jersey
Course: flat
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
26 March 2027 · Hackney, London
Course: flat
- Battersea Park 2027 Series 1
27 March 2027 · London, London
Course: flat
April 2027 · 3
- Battersea Park 2027 Series 1
3 April 2027 · London, London
Course: flat
- Lydd Half Marathon & 20 Mile
4 April 2027 · Lydd, Kent
Course: flat
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
10 April 2027 · Hackney, London
Course: flat
May 2027 · 2
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
1 May 2027 · Hackney, London
Course: flat
- Battersea Park 2027 Series 1
8 May 2027 · London, London
Course: flat
July 2027 · 3
- Battersea Park 2027 Series 1
17 July 2027 · London, London
Course: flat
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
21 July 2027 · Hackney, London
Course: Flat
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
31 July 2027 · Hackney, London
Course: flat
October 2027 · 1
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
9 October 2027 · Hackney, London
Course: flat
December 2027 · 1
- RunThrough Victoria Park 5k, 10k & Half Marathon 2027
11 December 2027 · Hackney, London
Course: flat