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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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Click an event for full event details, location, route, sustainability, what's included and how to enter.

The Big Half promises a party atmosphere on a landmark-packed, half marathon route which follows some of the famous marathon course in reverse! Charity places available for 2025.
  • Sun 7 Sep 2025
  • 8 charities
  • Sun 7 Sep 2025
  • 8 charities
London, UK

The Big Half charity places

The Big Half promises a party atmosphere on a landmark-packed, half marathon route which follows some of the famous marathon course in reverse! Charity places available for 2025.

  • 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
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.
  • Sun 7 Sep 2025
  • £29-£37
  • Sun 7 Sep 2025
  • £29-£37
Bedford, Bedfordshire, UK

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
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!
  • Sun 7 Sep 2025
  • £33-£40
  • Sun 7 Sep 2025
  • £33-£40
Bedford, Bedfordshire, UK

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
The main event of the day! Experience the full selection of the Denbies wine range with six award-winning English wines to try along the course accompanied with food. Your slowest half marathon ever!
  • Sun 7 Sep 2025
  • £67
  • Sun 7 Sep 2025
  • £67
Dorking, Surrey, UK

Bacchus Wine Half Marathon

The main event of the day! Experience the full selection of the Denbies wine range with six award-winning English wines to try along the course accompanied with food. Your slowest half marathon ever!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 13.1 miles trail running
Take part in the world's biggest half marathon and experience the buzz, unrivalled support and cheerful crowds of this historic event. Charity places now available for 2025!
  • Sun 7 Sep 2025
  • 28 charities
  • Sun 7 Sep 2025
  • 28 charities
Newcastle, Tyne and Wear, UK

Great North Run charity places

Select a charity and apply online now to secure your place in the world’s biggest half marathon.

  • Families
  • 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
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.
  • Thu 11 - Sun 14 Sep 2025
  • £250-£1,200
  • Thu 11 - Sun 14 Sep 2025
  • £250-£1,200
London, UK

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
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!
  • Sun 14 Sep 2025
  • 1 charity
  • Sun 14 Sep 2025
  • 1 charity
Richmond, UK

Richmond RUNFEST Half Marathon charity places

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
A varied route with plenty of twists and turns through the city centre, this run also ventures onto flatter rural roads to pick up the pace, as part of the exciting weekend of running in Worcester!
  • Sun 14 Sep 2025
  • £33.50-£35.50
  • Sun 14 Sep 2025
  • £33.50-£35.50
Worcester, Worcestershire, UK

Worcester City Runs | Half marathon

A varied route with plenty of twists and turns through the city centre, this run also ventures onto flatter rural roads to pick up the pace, as part of the exciting weekend of running in Worcester!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
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!
  • Sat 20 Sep 2025
  • £27-£32
  • Sat 20 Sep 2025
  • £27-£32
Bury Saint Edmunds, Suffolk, UK

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
The award-winning Run Reigate Half Marathon is back and promises a much-loved sell-out event with fantastic scenery, unbeatable atmosphere and a memorable experience!
  • Sun 21 Sep 2025
  • £42
  • Sun 21 Sep 2025
  • £42
Reigate, Surrey, UK

Run Reigate | Half Marathon

The award-winning Run Reigate Half Marathon is back and promises a much-loved sell-out event with fantastic scenery, unbeatable atmosphere and a memorable experience!

  • Chip timing
  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
Starting and finishing at Portman Road Stadium, home to Ipswich Town FC, runners will cross the finish line to a roaring crowd of admirers!
  • Sun 21 Sep 2025
  • £32-£46
  • Sun 21 Sep 2025
  • £32-£46
Ipswich, Suffolk, UK

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!

  • Newcomers
  • Chip timing
  • Enter online
  • Traffic free
  • Fancy dress
  • Event village
  • Urban
  • Sustainability policy
  • Public transport links
  • Age 17 & over
  • 13.1 miles road running
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sat 27 Sep 2025
  • £52
  • Sat 27 Sep 2025
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Sep | 32K

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • Enter online
  • Undulating
  • Age 17 & over
  • 32 km multi terrain running
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sat 27 Sep 2025
  • £52
  • Sat 27 Sep 2025
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Sep | Half Marathon

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles multi terrain running
The Half starts and finishes in the beautiful village of Dale in the National Park and is run on undulating quiet country lanes with spectacular views from St Ann's Head and features two lighthouses!
  • Sun 28 Sep 2025
  • £34
  • Sun 28 Sep 2025
  • £34
Haverfordwest, Pembrokeshire, UK

Pembrokeshire Half Marathon

The Half starts and finishes in the beautiful village of Dale in the National Park and is run on undulating quiet country lanes with spectacular views from St Ann's Head and features two lighthouses!

  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles road running
Get the #EalingFeeling at the triple Gold award winning UK No1 Half Marathon.
  • Sun 28 Sep 2025
  • 1 charity
  • Sun 28 Sep 2025
  • 1 charity
London, UK

Ealing Half Marathon charity places

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
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.
  • Sun 28 Sep 2025
  • £30-£36
  • Sun 28 Sep 2025
  • £30-£36
Welwyn Garden City, Hertfordshire, UK

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
Welcome to the Robin Hood Half and Mini Marathon - one of the longest-established and most popular city centre road events in the UK.
  • Sun 28 Sep 2025
  • 2 charities
  • Sun 28 Sep 2025
  • 2 charities
Nottingham, Nottinghamshire, UK

Robin Hood Half & Mini Marathon | Half Marathon charity places

Welcome to the Robin Hood Half and Mini Marathon - one of the longest-established and most popular city centre road events in the UK.

  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles road running
Whether you’re a seasoned runner or first-timer, RUN Barnstaple offers a flat and fast course, making it the ideal setting for those aiming to achieve a personal best.
  • Sun 28 Sep 2025
  • £30-£32
  • Sun 28 Sep 2025
  • £30-£32
Barnstaple, Devon, UK

RUN Barnstaple | Half Marathon

Whether you’re a seasoned runner or first-timer, RUN Barnstaple offers a flat and fast course, making it the ideal setting for those aiming to achieve a personal best.

  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles road running
Follow a course on forest trails with no road crossings and some interesting hill challenges, offering runners a chance to experience the forest with its late-summer leaf canopy.
  • Sun 28 Sep 2025
  • £30-£32
  • Sun 28 Sep 2025
  • £30-£32
Coleford, Gloucestershire, UK

The Forest of Dean Autumn Half Marathon

Follow a course on forest trails with no road crossings and some interesting hill challenges, offering runners a chance to experience the forest with its late-summer leaf canopy.

  • Newcomers
  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Event village
  • Rural
  • Free venue entry
  • Age 17 & over
  • 13.1 miles multi terrain running
  • Sun 7 Sep 2025
Tetbury, Gloucestershire, UK

Westonbirt Arboretum Summer | Half Marathon

  • 13.1 miles trail running
  • Sat 13 Sep 2025
Wadhurst, East Sussex, UK

Bewl Water Autumn | Half Marathon

  • 13.1 miles trail running
  • Sat 20 Sep 2025
Ashbourne, Derbyshire, UK

Tissington Trail Half Marathon | Saturday

  • 13.1 miles road running
  • Sun 21 Sep 2025
Ashbourne, Derbyshire, UK

Tissington Trail Half Marathon | Sunday

  • 13.1 miles road running
  • Sun 28 Sep 2025
Windsor, Berkshire, UK

Windsor Half Marathon

  • 13.1 miles road running
  • Sun 28 Sep 2025
Deal, Kent, UK

4 Castles Challenge

  • 13.1 miles multi terrain running

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