Half marathons in UK in September 2025
Find half marathons near me in UK in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 7 Sep
- £31-£36
FEAR (Forget Everything And Run) | 6 Hour
Run as far as you can during the 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 6 hrs multi terrain running + 299 ft ascent
- Sun 7 Sep
- £34-£37
ATW Bedford Running Festival | Half Marathon
13.1 miles of traffic free, stunning Bedfordshire countryside followed by a festival village with live music, street food, yoga, entertainment and more at the unforgettable post-race party.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 13.1 miles road running + 59 ft ascent
- Sun 7 Sep
- £37-£40
ATW Bedford Running Festival | 20 Mile
Perfect marathon training! Join thousands at Bedfordshire’s most popular weekend of running with festival magic, live music, bar, yoga, kids zone, street food, outdoor cinema and fun fair!
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 20 miles road running + 72 ft ascent
- Sun 7 Sep
- £31-£36
FEAR (Forget Everything And Run) | 4 Hour
Run as far as you can during the 4-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs multi terrain running + 299 ft ascent
- Sat 13 Sep
- £33-£38
Easier Said Than Run | 6 Hour
Run as far as you can during the 6-hour event through the lovely Bawsey Country Park on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 6 hrs trail running + 253 ft ascent
- Sat 13 Sep
- £40
TrailFest | Cannock Chase Forest | Half Marathon
A scenic half marathon to get people running and moving around the spectacular Cannock Chase Forest for all abilities, speeds and experiences as part of the TrailFest events.
- Chip timing
- Enter online
- Hilly
- Traffic free
- Age 21 & over
- 13.1 miles trail running + 463 m ascent
- Sat 13 Sep
- £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 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
- Sat 13 Sep
- £33-£38
Easier Said Than Run | 4 Hour
Run as far as you can during the 4-hour event through the lovely Bawsey Country Park on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs trail running + 253 ft ascent
- Sun 14 Sep
- £36.50
Cheshire 3 Peaks Half Marathon
This new event takes in some of Cheshire's finest country, and certainly its highest! Summit Tegg's nose, Shuttlingsloe and Shining Tor with views, diverse terrain and finisher medal.
- Newcomers
- Enter online
- Flat
- Hilly
- Event village
- Park
- Age 17 & over
- 13.1 miles trail running + 847 m ascent
- Sun 14 Sep
- £50.50-£52.50
- Entries closed
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 14 Sep
- £75
The Amazing Northampton Run | Half Marathon Relay
Come to Britain’s largest town and take on a grand tour of everything great in Northampton as a team of 3 - including parks, riverside, sporting venues and amazing architecture!
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 2.3 miles road running
- Sun 14 Sep
- £38
The Amazing Northampton Run | Half Marathon
Come to Britain’s largest town for the Amazing Northampton Run and take on a grand tour of everything great in Northampton including parks, riverside, sporting venues and amazing architecture!
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 13.1 miles road running + 470 ft ascent
- Sat 20 Sep
- £27-£32
The Lucky Horseshoe | Half Marathon
Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 13.1 miles trail running
- Sat 20 Sep
- £22-£35
Fraggle Run | Wales | Half Marathon
Welcome to a 7-hour timed running event where you can run a half marathon at your own pace on a looped route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sat 20 Sep
- £30-£32
Sir Titus Autumn Fudge Trudge | Day 1 | Half Marathon
Enjoy a trip up the Leeds and Liverpool Canal this autumn, all along the flat and even towpath. This event is perfect for runners of all abilities.
- Chip timing
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running + 253 ft ascent
- Sat 20 Sep
- £37
Tissington Trail Half Marathon | Saturday
A breathtaking half marathon in the beautiful Derbyshire countryside... it's how racing was meant to be! Take on the Tissington Trail and enjoy something magical!
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 13.1 miles road running + 846 ft ascent
- Sat 20 Sep
- £55
Skyline Scotland | Trail Half Marathon
A tour-de-force experience of the peaceful Leanachan Forest following extremely runnable forestry tracks, paths and trails on a fantastic route with panoramic views of distant mountains.
- Chip timing
- Enter online
- GPS tracking
- Mountainous
- Age 16 & over
- 21 km trail running + 300 m ascent
- Sun 21 Sep
- £23-£35
Fraggle Run | Half Marathon
Welcome to a 7-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 13.1 miles road running + 0 ft ascent
- Sun 21 Sep
- £30-£32
Sir Titus Autumn Fudge Trudge | Day 2 | Half Marathon
Enjoy a trip up the Leeds and Liverpool Canal this autumn, all along the flat and even towpath. This event is perfect for runners of all abilities.
- Chip timing
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running + 253 ft ascent
- Sun 21 Sep
- £35-£49
- Entries close soon
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!
- Wheelchair users
- 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 21 Sep
- £37
Tissington Trail Half Marathon | Sunday
A breathtaking half marathon in the beautiful Derbyshire countryside... it's how racing was meant to be! Take on the Tissington Trail and enjoy something magical!
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 13.1 miles road running + 846 ft ascent
- Sat 27 Sep
- £26-£28
Runaway Challenge | Half Marathon
Welcome to a 6-hour timed running event where you can run a half marathon at your own pace on a flat, looped route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 13.1 miles trail running + 129 ft ascent
- Sat 27 Sep
- £23-£35
Romp Run | Half Marathon
Welcome to a 7-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 13.1 miles road running + 0 ft ascent
- Sun 28 Sep
- Entries close soon
Ealing Half Marathon
Get the #EalingFeeling at the triple Gold award winning UK No1 Half Marathon.
- Recycling
- Newcomers
- Chip timing
- Enter online
- Traffic free
- Event village
- Park
- Sustainability policy
- Age 17 & over
- 13.1 miles road running + 250 ft ascent
- Sun 28 Sep
- £30-£32
The Wensum Way Trail | Half Marathon
Enjoy the stunning route, push your limits, and, of course, earn your race bling over half marathon distance. Runners will love the fuel and encouragement with every lap!
- Enter online
- Age 18 & over
- 13.1 miles trail running + 62 ft ascent