Half marathons in UK in September 2025
Find half marathons near me in UK in September 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Events near me
Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sun 7 Sep
- Sun 7 Sep
The Big Half
Secure your charity place in The Big Half today. Run for charity in a landmark-packed route around London while supporting top UK charities. Find a cause and join their team today!
- Families
- Trees not tees
- Wheelchair users
- Recycling
- Newcomers
- Entertainment
- Music
- Chip timing
- Enter online
- Flat
- Traffic free
- Fancy dress
- Event village
- Event expo
- Urban
- Sustainability policy
- Age 17 & over
- 13.1 miles road running
- Sun 7 Sep
- £31-£36
- 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
- Sun 7 Sep
- £34-£37
- 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
- Sun 7 Sep
- £37-£40
- 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
- Sun 7 Sep
- £65
- 12 charities
- Sun 7 Sep
- £65
- 12 charities
Great North Run
The Great North Run is the world's biggest and best half marathon, attracting 60,000 runners each year to its iconic 13.1 mile route, jam-packed with entertainment, music and finish line party!
- Families
- Trees not tees
- Wheelchair users
- Recycling
- Newcomers
- Entertainment
- Music
- Ballot
- Enter online
- 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 7 Sep
- £31-£36
- 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
- Thu 11 - Sun 14 Sep
- £250-£1,250
- Thu 11 - Sun 14 Sep
- £250-£1,250
Run2Paris
A team of 5. A half marathon every day for 4 days. You have just Run2Paris! This is your next great running adventure where you'll camp under the stars on a road trip like no other.
- Newcomers
- Enter online
- GPS tracking
- Fundraising required
- Hilly
- Urban
- Public transport links
- Age 18 & over
- 4 days multi terrain running
- Sat 13 Sep
- £33-£38
- 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
- Sat 13 Sep
- £43-£45
- 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
- Sat 13 Sep
- £33-£38
- 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
- Sun 14 Sep
- £36.50
- 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
- £75
- 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
- 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
- Sun 14 Sep
- 3 charities
- Sun 14 Sep
- 3 charities
Richmond RUNFEST Half Marathon
London's flattest half marathon through its greenest borough exploring the beauties and history of Richmond. Start inside the Kew Gardens with family fun music festival to finish!
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sat 20 Sep
- £27-£32
- 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
- £30-£32
- 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
- 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
- Sun 21 Sep
- £37
- 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
- Sun 21 Sep
- £30-£32
- 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 28 Sep
- £45
- Sun 28 Sep
- £45
Hever Castle | Half Marathon
Get active in the award-winning grounds and surrounding Kent countryside in a half marathon! Recruit your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 17 & over
- 21.1 km trail running
- Sun 28 Sep
- 1 charity
- Sun 28 Sep
- 1 charity
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
- Sun 28 Sep
- £30-£32
- 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
- Sun 28 Sep
- £36-£38
- Sun 28 Sep
- £36-£38
The Wensum Way Trail | Heavy Half Marathon
Enjoy the stunning route, push your limits, and, of course, earn your race bling over a 'heavy' half marathon distance. Runners will love the fuel and encouragement with every lap!
- Enter online
- Age 18 & over
- 13.1 miles trail running
- Sun 28 Sep
- £35-£37
- Sun 28 Sep
- £35-£37
ATW Welwyn Half Marathon
The popular Welwyn Half Marathon starts and finishes on the impressive 400m athletics track at Gosling Sports Park with an ideal, traffic-free, disused railway line in between.
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 13.1 miles road running
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