Half marathons in UK in September 2026
Find half marathons in UK in September 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 6 Sep 2026
- £56.50-£59.99
- 8 charities
The Big Half
The Big Half promises a party atmosphere on a landmark-packed, half marathon route which follows some of the famous marathon course in reverse!
- Families
- Trees not tees
- Venue accessible
- Recycling
- Newcomers
- Entertainment
- Music
- Chip timing
- Enter online
- GPS tracking
- Flat
- Traffic free
- Fancy dress
- Event village
- Event expo
- Urban
- Sustainability policy
- Age 17 & over
- 13.1 miles road running + 218 ft ascent
- Sat 12 Sep 2026
- £43-£45
Bewl Water Autumn | Half Marathon
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.
- Chip timing
- Enter online
- Undulating
- Age 17-80
- 13.1 miles trail running + 710 ft ascent
- Sun 13 Sep 2026
- £43-£50
- 3 charities
Richmond Half Marathon
Be part of London's most exclusive event! Run through its greenest borough, exploring the beauties and history of Richmond. Start inside the Kew Gardens with a family music festival to finish!
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 91 ft ascent
- Sun 13 Sep 2026
- £15-£50
- 25 charities
Great North Run
Join 60,000 runners at the world’s biggest and best half marathon with a ballot entry. Get the low-down on key dates, the route and race-day logistics, then secure your place on the iconic start line.
- Trees not tees
- Venue accessible
- Recycling
- Newcomers
- Entertainment
- Music
- Ballot
- Chip timing
- Enter online
- GPS tracking
- Traffic free
- Fancy dress
- Event village
- Event expo
- Urban
- Sustainability policy
- Public transport links
- Age 17 & over
- 13.1 miles road running + 404 ft ascent
- Sun 20 Sep 2026
- £37.50-£39.50
Something to Talk About
Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.
- Families
- Newcomers
- Enter online
- Undulating
- Traffic free
- Event village
- Age 18 & over
- 7 hrs trail running + 404 ft ascent
- Sun 27 Sep 2026
- £37.50-£39.50
SoBo Series | Volume 4 | Stop me (if you think you've heard this one before)
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.
- Newcomers
- Enter online
- Flat
- Traffic free
- Event village
- Coast
- Public transport links
- Age 18 & over
- 7 hrs road running + 0 ft ascent
- Sun 27 Sep 2026
- £34-£46
Larking Gowen Ipswich Half Marathon
Starting and finishing at Portman Road Stadium, home to Ipswich Town FC, runners will cross the finish line to a roaring crowd of admirers to receive an exclusive event medal and goody bag!
- Venue accessible
- Newcomers
- Chip timing
- Enter online
- Undulating
- Traffic free
- Fancy dress
- Event village
- Urban
- Free venue entry
- Sustainability policy
- Public transport links
- Age 17 & over
- 13.1 miles road running + 540 ft ascent
- Sun 27 Sep 2026
- £38-£70
- 1 charity
Robin Hood Half Marathon
One of the longest-established and most popular city centre road events in the UK! A true Nottingham favourite, it’s also the city’s biggest charity fundraising event!
- Chip timing
- Enter online
- Flat
- Undulating
- Traffic free
- Age 17 & over
- 13.1 miles road running
- 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 6 Sep 2026
City to Sea | Half Marathon
- 13.1 miles trail running + 2100 ft ascent
- Sun 13 Sep 2026
Bacchus Wine Half Marathon
- 13.1 miles trail running + 1427 ft ascent
- Sun 13 Sep 2026
Stratfords Big 10K & Half Marathon | Half Marathon
- 13.1 miles road running + 255 ft ascent
- Sun 13 Sep 2026
33rd Yorkshireman Off Road Marathon & Half Marathon | Half Marathon
- 14.8 miles fell running + 1750 ft ascent
- Sun 13 Sep 2026
The Garmin New Forest Marathon | Half Marathon
- 13.1 miles multi terrain running + 150 ft ascent
- Sun 20 Sep 2026
The Phoenix Energy Belfast City Half Marathon
- 13.1 miles road running
- Sun 20 Sep 2026
Winchester Half Marathon | Half Marathon
- 13.1 miles road running + 841 ft ascent
- Sun 20 Sep 2026
Torbay Half Marathon and 10K | Half Marathon
- 13.1 miles road running
- Sun 20 Sep 2026
ABP Humber Coastal Half Marathon 10K & Family Fun Run | Half Marathon
- 13.1 miles multi terrain running + 187 ft ascent
- Sun 27 Sep 2026
Redcar Running Festival | Redcar Half Marathon
- 13.1 miles road running