Half marathon runs
Half marathons are one of the UK’s most popular running challenges, striking the perfect balance between endurance and accessibility. Whether you’re stepping up from 10Ks or building towards a full marathon, a half marathon offers the chance to test yourself, enjoy incredible race-day atmospheres and explore stunning routes across the country.
From fast, flat courses that are perfect for PBs to scenic runs through countryside trails, there’s a huge choice of half marathons taking place throughout 2025. Thousands of runners take part every year, with events welcoming everyone from first-timers to seasoned athletes.
On this page you’ll find half marathons right across the UK, helping you choose your perfect event. If you’re looking for races in a specific location - such as London half marathons - we’ve got dedicated guides to make your search even easier. If you’re keen to travel, explore our European half marathons guide for destination races with unforgettable backdrops. Browse upcoming half marathons below and start planning your next big challenge.
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UK city half marathons
From the busiest city for half marathons to the world's largest half marathon.
- Sun 7 Sep
- £65
- Entries closed
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!
- 13.1 miles road running + 404 ft ascent
- Sun 5 Oct
- FREE-£45
- Entries closed
Oysho Cardiff Half
An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage!
- 13.1 miles road running
- Sun 24 May 2026
- £46.25
Edinburgh Half Marathon
Just before the Marathon, the Half follows the same fast and flat route from the iconic castle and city sights to the coast for an explosive finish and offers genuine PB potential.
- 13.1 miles road running + 76 m ascent
- Sun 5 Oct
- £42-£44
Great Scottish Run Half Marathon
With a city centre start and finish, this is a celebration of everything that is great about Glasgow: inspiring urban architecture, green spaces, history, music, strength, spirit and great people.
- 13.1 miles road running + 389 ft ascent
Upcoming half marathon events
Half marathons coming up in 2025 - 2026.
- 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.
- 21.1 km trail running
- Sun 28 Sep
- £42-£44
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!
- 13.1 miles road running
- Sun 28 Sep
- £30-£32
RUN Barnstaple | Half Marathon
Looking for a PB? This is your course. Pancake-flat & mostly traffic-free, come to explore the Tarka Trail then receive a fabulous medal.
- 13.1 miles road running
- Sun 5 Oct
- £42-£44
Great Scottish Run Half Marathon
With a city centre start and finish, this is a celebration of everything that is great about Glasgow: inspiring urban architecture, green spaces, history, music, strength, spirit and great people.
- 13.1 miles road running + 389 ft ascent
- Sun 12 Oct
- £44.75-£50
Bournemouth Half Marathon
Sun... Sea... Running as it should be. Run along both Boscombe and Bournemouth piers on a stunning coastal route as part of the Run Bournemouth weekend running festival.
- 13.1 miles road running + 101 m ascent
- Sun 1 Mar 2026
- £44.99-£49.99
Jones o Gymru Anglesey Half Marathon
The 'UK's most beautiful Half Marathon'! Fast run flanked by breathtaking views of Snowdonia National Park and the Menai Straits. It's no wonder this race has become a firm favourite.
- 13.1 miles road running + 889 ft ascent
- Thu 30 Apr - Sun 3 May 2026
- £200-£1,200
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.
- 4 days multi terrain running
- Sat 2 - Mon 4 May 2026
- £250-£300
- Postponed
SCARPA Great Lakeland 3Day
Enjoy three days of glorious Lake District fell routes, a truly chilled-out weekend and all logistics taken care of as you hike, run, camp and socialise.
- 3 days fell running
- Sun 3 May 2026
- £41-£48
Great Birmingham Run Half Marathon
Take on a thrilling run at the Midlands' biggest and best running event! Thousands of Brummies pound the streets every year, from the heart of the city with an incredible atmosphere all the way.
- 13.1 miles road running
- 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.
- 13.1 miles road running + 518 ft ascent
- Sun 10 May 2026
- £43-£52
Great Bristol Run Half Marathon
Loved by Bristolians and beyond, it's the best in the South West! Each year, thousands of runners push their perseverance and passion to the limit and take on Bristol’s super-scenic half marathon.
- 13.1 miles road running
- Sat 16 May 2026
- £65
Keswick Mountain Festival | adidas TERREX Half Marathon Trail Run
This 25km is graded ‘hard’ and is on technical, fast flowing and rugged trails around Derwentwater, the Borrowdale Valley and the Watendlath Valley. Includes Full Weekend Festival Ticket in the price!
- 25 km trail running + 866 m ascent
- Sun 24 May 2026
- £46.25
Edinburgh Half Marathon
Just before the Marathon, the Half follows the same fast and flat route from the iconic castle and city sights to the coast for an explosive finish and offers genuine PB potential.
- 13.1 miles road running + 76 m ascent
- Sun 24 May 2026
- £36-£45
Lough Cutra Castle | Half Marathon
Race through the beautiful castle grounds over a half marathon route for all levels from first-timers to elite then celebrate with friends and family in the festival village.
- 21.1 km trail running
- Sun 31 May 2026
- £46-£55
Great Manchester Run Half Marathon
The city’s original and best-loved running event! It's a party from start to finish with a high-energy soundtrack and live music. Over 99% of Manchester runners say they’d recommend it to a friend.
- 13.1 miles road running
- Sun 7 Jun 2026
- €36-€45
Chateau de Chantilly | Half Marathon
Run a half marathon through the beautiful grounds and surrounding area of the stunning Château de Chantilly then celebrate with friends and family in the festival village.
- 21.1 km trail running + 167 ft ascent
- Sun 21 Jun 2026
- £36-£45
Cholmondeley Castle | Half Marathon
Race a half marathon through the beautiful grounds of the Cholmondeley Castle estate in this event for a range of levels of runner, then celebrate with friends and family in the festival village.
- 21.1 km trail running
- Sat 27 - Sun 28 Jun 2026
- £80-£130
Endure24 | Leeds
The north's favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
- 24 hrs multi terrain running + 102 m ascent
- Sun 12 Jul 2026
- £39.95
Rasselbock Half Marathon
Welcome to the stunning Sherwood Pines for an incredible day of running in the forest - whether it's your first event, you're going for a PB or if you just want a day in the forest with friends!
- 13.1 miles trail running + 695 ft ascent
- Sun 19 Jul 2026
- £36-£45
Belvoir Castle | Half Marathon
A jewel in the castle crown! Get active in the beautiful castle grounds in a half marathon run then celebrate with fellow athletes, friends and family in the fantastic festival village afterwards.
- 21.1 km trail running
- Sun 16 Aug 2026
- £46.75
Scottish Half Marathon
A seriously flat and rapid point-to-point course with a downhill profile along the coast to finish in the final furlong of Scotland's oldest racecourse plus grandstand finish. Come and be part of it!
- 13.1 miles road running + 57 m ascent
- Thu 10 - Sun 13 Sep 2026
- £200-£1,200
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.
- 4 days multi terrain running
Why run a half marathon?
Guides, tips and advice on half marathons.
- 10 mins read
The best runs that you've never heard of
To celebrate Global Running Day, we're rounding the best unsung marathons, half marathons and more in the UK!
- 5 mins read
Best autumn half marathons
Enjoy the sensational atmospheres and fast courses at these half marathon races, from the world's biggest half to the UK's fastest half marathon.
- 5 mins read
4 reasons why the Hackney Half is one of London's most popular events
Fusing fast running with an electric atmosphere, the Hackney Half celebrates the very best of East London.
- 10 mins read
Running your first half marathon
Signing up to a half marathon for the first time can be both exciting and daunting in equal measure! This guide will run you through how to train for it and what to expect on the day.
- 5 mins read
How long is a half marathon anyway?
The short answer: 13.1 miles. Understanding what that looks and feels like isn't that simple, though, so we've set out what it's like to run a half marathon bit by bit!
- 10 mins read
What is the best half marathon near me?
Looking for a half marathon this year? This is your guide to the best half marathons in the UK, organised into regions so you can find a race near you!
- 5 mins read
Your guide to the London Landmarks Half Marathon
The only half marathon to run through Westminster and the City of London, this is a fantastic race touring the capital's most iconic landmarks. This is everything you need to know about the race!
Explore more half marathons
Explore charity running, other places and alternative distances.
Find a half marathon near you
Looking for events in a specific place? Explore our guides to half marathons in towns, cities and regions across the UK.
