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Flat Half marathons in South East in September 2026

Find flat half marathons in South East in September 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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This ever popular race promises amazing coastal views and a relatively flat coastal promenade run with real PB potential.
  • Sun 27 Sep 2026
  • £25-£27
Folkestone, Kent, UK

Folkestone Rotary 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 + 469 ft ascent
  • Sun 13 Sep 2026
Brockenhurst, Hampshire, UK

The Garmin New Forest Marathon | Half Marathon

  • 13.1 miles multi terrain running + 150 ft ascent

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