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Half marathons in South West in May 2026

Find half marathons in South West in May 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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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 route.
  • Sun 10 May 2026
  • £47-£52
Bristol, Somerset, UK

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 route.

  • Chip timing
  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
By popular demand, a half marathon trail race has been added to the multi-sports weekend at the scenic Roadford Lake, with an inclusive and encouraging atmosphere, and lakeside camping.
  • Sat 16 May 2026
  • £28
Lifton, Devon, UK

Roadford Lake Trail Races | Half Marathon

By popular demand, a half marathon trail race has been added to the multi-sports weekend at the scenic Roadford Lake, with an inclusive and encouraging atmosphere, and lakeside camping.

  • Chip timing
  • Enter online
  • Age 15 & over
  • 13.1 miles trail running + 1298 ft ascent
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
  • Sun 17 May 2026
  • £37.50-£39.50
Bournemouth, Dorset, UK

SoBo Series | Volume 3 | Good Vibrations

Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.

  • Newcomers
  • Enter online
  • Flat
  • Traffic free
  • Event village
  • Coast
  • Age 18 & over
  • 7 hrs road running + 0 ft ascent
  • Sat 9 May 2026
Sidmouth, Devon, UK

Sid Valley Ring Half and Third Marathon | Half Marathon

  • 21.1 km trail running + 596 m ascent
  • Sat 9 May 2026
Exmoor, Devon, UK

Endurancelife | Exmoor | Half Marathon

  • 13.5 miles trail running + 2822 ft ascent
  • Sun 10 May 2026
Dorchester, Dorset, UK

Hardy Half Marathon | Original Hardy Half - 13.1 Miles

  • 13.1 miles trail running + 1332 ft ascent
  • Sat 16 May 2026
Plymouth, Devon, UK

Race The Tide | Long Half-Marathon

  • 15 miles trail running
  • Sun 24 May 2026
Exeter, Devon, UK

Bishop Fleming Great West Run | Half Marathon

  • 13.1 miles road running + 722 ft ascent
  • Sat 30 May 2026
Saint Agnes, Cornwall, UK

Trail Pursuit: Cornwall | Half Marathon

  • 13.1 miles trail running

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