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Half marathons in Northamptonshire in September 2025

Find half marathons near me in Northamptonshire 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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The trail goes through the grounds of the 2,000 acre Holdenby Estate and on surrounding farmland with fantastic views of the country house, finishing through the iconic arches that adorn the grounds.
  • Sun 20 Oct
  • £30
  • Sun 20 Oct
  • £30
Northampton, Northamptonshire, UK

ATW Holdenby House Hoohaah Half Marathon

The trail goes through the grounds of the 2,000 acre Holdenby Estate and on surrounding farmland with fantastic views of the country house, finishing through the iconic arches that adorn the grounds.

  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running
A true test of endurance and determination set against the legendary backdrop of the Silverstone Circuit. An extraordinary half marathon journey through the heart of motorsport excellence.
  • Sun 24 Nov
  • £38
  • Sun 24 Nov
  • £38
Towcester, Northamptonshire, UK

Silverstone Run Fest | Half Marathon

A true test of endurance and determination set against the legendary backdrop of the Silverstone Circuit. An extraordinary half marathon journey through the heart of motorsport excellence.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
Come to the historic market town of Oundle for the return of the Oundle 20 Mile! Ideal training for spring marathons on a scenic course offering genuine PB potential.
  • Sun 2 Mar 2025
  • FREE-£35
  • Sun 2 Mar 2025
  • FREE-£35
Oundle, Northamptonshire, UK

Oundle 20 Mile, 10K & 5K | 20 Mile

Come to the historic market town of Oundle for the return of the Oundle 20 Mile! Ideal training for spring marathons on a scenic course offering genuine PB potential.

  • Enter online
  • Undulating
  • PB
  • Age 18 & over
  • 20 miles road running
The multi-terrain half marathon is mostly on road and covers a section of the longer distance routes.
  • Sun 11 May 2025
  • £35
  • Sun 11 May 2025
  • £35
Naseby, Northamptonshire, UK

Shires and Spires | Half Marathon

The multi-terrain half marathon is mostly on road and covers a section of the longer distance routes.

  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
  • 13.4 miles multi terrain running + 897 ft ascent
  • Sun 1 Dec
Wellingborough, Northamptonshire, UK

Stanwick Lakes Run Series - Winter/Santa Run | Half Marathon

  • 13.1 miles road running
  • Sun 16 Feb 2025
Naseby, Northamptonshire, UK

Naseby 1645

  • 16.45 miles road running + 289 m ascent

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