Road Half marathons in South East
Find road half marathons in South East 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
Filter by place
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 12 Oct
- £10-£30
Oxford Half Marathon
Runners will enjoy the fast, flat and beautiful route through University Parks and the historic Oxford City Centre whilst celebrating running and movement with entertainment and cheering fans!
- Carbon neutral
- Wheelchair users
- Recycling
- Newcomers
- Entertainment
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Fancy dress
- Event village
- Urban
- Park
- Sustainability policy
- Public transport links
- Age 16 & over
- 13.1 miles road running
- Sat 1 Nov
- £30-£35
Whitstable & Herne Bay MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Whitstable!
- Chip timing
- Enter online
- Age 17 & over
- 13.1 miles road running
- Sun 15 Feb 2026
- £35-£37
Hampton Court Half Marathon
This is the original Hampton Court Half Marathon and is run over a fast, flat and interesting course that borders the river-side grounds of the magnificent palace with King Henry VIII cheering on!
- Newcomers
- Entertainment
- Music
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Rural
- Age 17 & over
- 13.1 miles road running
- Sun 1 Mar 2026
- £44.50-£46.50
- 4 charities
Altra Brighton Half Marathon
Join the UK's Happiest Half - a fast, flat race with a buzzing Brighton atmosphere. An early season major half and one of the most popular races in the UK!
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sun 22 Mar 2026
- £51-£53
Green Park Reading Half Marathon
Take in the highlights of the centre of Reading and the beautiful grounds of the University campus while experiencing huge crowd support as you're cheered into the Olympic stadium and over the finish!
- Chip timing
- Enter online
- Age 17 & over
- 13.1 miles road running
- Sun 29 Mar 2026
- £31
Brett Lydd Half Marathon
A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.
- Chip timing
- Enter online
- Flat
- PB
- Age 17 & over
- 13.1 miles road running + 104 ft ascent
- Sun 3 May 2026
- £45
- 1 charity
ABP Southampton Half Marathon
A single lap of the marathon course which offers a spectacular route including green parks, shoreline and riverside views, starting and finishing at the iconic Southampton Guildhall.
- Chip timing
- Enter online
- Age 17 & over
- 13.1 miles road running + 152 m ascent
- Sun 3 May 2026
- £36-£38
Worthing RUNFEST Half Marathon
Enjoy a fully closed road race, on flat coastal roads with a spectacular seafront finish. Chance to take home a PB along with the finishers' t-shirt and medal.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 37 m ascent
- Mon 4 May 2026
- £40-£50
MK Half Marathon
A popular, fast, scenic AIMS-certified race, with BARR Gold accreditation for outstanding race management featuring beautiful lakes, parks, and picturesque villages with the highest level of support.
- Chip timing
- Enter online
- GPS tracking
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 518 ft ascent
- Sun 27 Sep 2026
- £31.50-£33.50
Windsor Half Marathon
An inspiring half marathon in Windsor Great Park, starting and finishing on the Long Walk with Windsor Castle as the backdrop - probably the most iconic of all road race finishes in the UK!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 17 & over
- 13.1 miles road running + 167 m ascent
- Sun 19 Oct
Henley Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 2 Nov
Marlow Half Marathon, The Frankenstein and Marlow 7 | Marlow Half Marathon
- 13.1 miles road running + 340 m ascent
- Sat 8 Nov
GBR Run Bexhill Remembrance Run | Half Marathon
- 13.1 miles road running
- Sun 16 Nov
Marden 10K and Half Marathon | Half Marathon
- 13.1 miles road running + 57 m ascent
- Sun 7 Dec
Running GP at Goodwood Motor Circuit
- 5K run
- 10K run
- Half marathon 2
- Marathon
- 50K ultra run
- Sun 7 Dec
Milton Keynes Winter Half Marathon
- 13.1 miles road running + 415 ft ascent
- Sun 22 Feb 2026
David Cliff Wokingham Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 8 Mar 2026
Eastbourne Half Marathon
- 13.1 miles road running + 166 m ascent
- Sun 8 Mar 2026
Lambert & Foster Paddock Wood Half Marathon
- 13.1 miles road running
- Sun 15 Mar 2026
Milton Keynes Festival of Running | Half Marathon
- 13.1 miles road running