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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.

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
  • 3 charities
  • Sun 28 Sep
  • 3 charities
Nottingham, Nottinghamshire, UK

Robin Hood Half & Mini Marathon | Half Marathon

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
Looking for a PB? This is your course. Pancake-flat & mostly traffic-free, come to explore the Tarka Trail then receive a fabulous medal.
  • Sun 28 Sep
  • £30-£32
  • Sun 28 Sep
  • £30-£32
Barnstaple, Devon, UK

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.

  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles road running
This ever popular race promises amazing coastal views and a relatively flat coastal promenade run with real PB potential.
  • Sun 28 Sep
  • £24-£26
  • Sun 28 Sep
  • £24-£26
Folkestone, Kent, UK

Folkestone Rotary Half Marathon | Half Marathon

This ever popular race promises amazing coastal views and a relatively flat coastal promenade run with real PB potential.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 17 & over
  • 13.1 miles road running
  • Sun 7 Sep
Tetbury, Gloucestershire, UK

Westonbirt Arboretum Summer | Half Marathon

  • 13.1 miles trail running
  • Sun 7 Sep
Dorking, Surrey, UK

Bacchus Wine Half Marathon

  • 13.1 miles trail running
  • Sat 13 Sep
Ambleside, Cumbria, UK

Langdale Marathon and Half | Half Marathon

  • 21.1 km road running
  • Sun 14 Sep
Chippenham, Wiltshire, UK

Chippenham Half Marathon

  • 13.1 miles road running
  • Sun 14 Sep
Worcester, Worcestershire, UK

Worcester City Runs | Half marathon

  • 13.1 miles road running
  • Sun 14 Sep
Ballater, Aberdeenshire, UK

Half BraemarAthon, 10K & 10 Miles | Half Marathon

  • 13.1 miles road running
  • Sat 20 Sep
Winchester, Hampshire, UK

Guided Half Marathon - Winchester

  • 13.1 miles trail running
  • Sun 21 Sep
Market Harborough, Leicestershire, UK

Clipston Trail | Half Marathon

  • 13.1 miles trail running
  • Sun 21 Sep
Reigate, Surrey, UK

Run Reigate | Half Marathon

  • 13.1 miles road running
  • Sun 21 Sep
Redcar, North Yorkshire, UK

Redcar Running Festival | Redcar Half Marathon

  • 13.1 miles road running
  • Sun 21 Sep
Morecambe, Lancashire, UK

Morecambe Marathon, Half Marathon and 10K | Half Marathon

  • 13.1 miles road running
  • Sun 28 Sep
Sandringham, Norfolk, UK

Run Sandringham | Half Marathon

  • 13.1 miles trail running
  • Sun 28 Sep
Coleford, Gloucestershire, UK

The Forest of Dean Autumn Half Marathon

  • 13.1 miles multi terrain running
  • Sun 28 Sep
Deal, Kent, UK

4 Castles Challenge

  • 13.1 miles multi terrain running
  • Sun 28 Sep
Windsor, Berkshire, UK

Windsor Half Marathon

  • 13.1 miles road running
  • Sun 28 Sep
Horsham, West Sussex, UK

Run Barns Green | Half Marathon

  • 13.1 miles road running
  • Sun 28 Sep
Horsham, West Sussex, UK

Run Barns Green | Kids Colour Run

  • 750 m multi terrain running

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