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Half marathons in South West in March 2025

Find half marathons near me in South West in March 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.

Fast and flat through historic streets on a two-lap course that avoids the city's hills. Voted 3rd best UK running event by the Daily Telegraph. Charity places now available for 2025.
  • Sun 16 Mar 2025
  • 15 charities
  • Sun 16 Mar 2025
  • 15 charities
Bath, Somerset, UK

Bath Half Marathon charity places

Fast and flat through historic streets on a two-lap course that avoids the city's hills. Voted 3rd best UK running event by the Daily Telegraph. Charity places now available for 2025.

  • Families
  • Recycling
  • Plastic bottle free
  • Entertainment
  • Ballot
  • Chip timing
  • Enter online
  • GPS tracking
  • Fundraising required
  • Flat
  • PB
  • Traffic free
  • Fancy dress
  • Event village
  • Urban
  • Park
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 17 & over
  • 13.1 miles road running
New off-road trail race around the grounds of Escot Park with some tough little climbs along the way, ideal for runners of all abilities and a medal for every finisher!
  • Sat 22 Mar 2025
  • £35
  • Sat 22 Mar 2025
  • £35
Exeter, Devon, UK

Exeter Trail Races | Half Marathon

New off-road trail race around the grounds of Escot Park with some tough little climbs along the way, ideal for runners of all abilities and a medal for every finisher!

  • Chip timing
  • Enter online
  • Age 17 & over
  • 13.1 miles road running
  • Sun 2 Mar 2025
Tiverton, Devon, UK

Grand Canal Canter | Half Marathon

  • 13.1 miles trail running
  • Sun 2 Mar 2025
Tiverton, Devon, UK

Grand Canal Canter | 10K

  • 10 km trail running
  • Sat 8 Mar 2025
Christchurch, Hampshire, UK

New Forest South Trail Run | 22K

  • 22 km trail running
  • Sat 8 Mar 2025
Christchurch, Hampshire, UK

New Forest South Trail Run | 15K

  • 15 km trail running
  • Sun 9 Mar 2025
Okehampton, Devon, UK

Granite Way 10 and 20 Mile | 20 Mile

  • 20 miles road running
  • Sun 9 Mar 2025
Bideford, Devon, UK

Bideford Half Marathon

  • 13.1 miles road running
  • Sat 15 Mar 2025
Swanage, Dorset, UK

Jurassic Express Trail Run | 21K

  • 21 km trail running
  • Sat 15 Mar 2025
Swanage, Dorset, UK

Jurassic Express Trail Run | 17K

  • 17 km trail running
  • Sat 15 Mar 2025
Swanage, Dorset, UK

Jurassic Express Trail Run | 11K

  • 11 km trail running
  • Sun 16 Mar 2025
Weymouth, Dorset, UK

Weymouth Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sun 16 Mar 2025
Falmouth, Cornwall, UK

Run Falmouth Half Marathon

  • 13.1 miles road running
  • Sun 23 Mar 2025
Chippenham, Wiltshire, UK

The Hullavington 20

  • 20 miles road running
  • Sun 23 Mar 2025
Bournemouth, Dorset, UK

Bournemouth Bay Run | Half Marathon

  • 13.1 miles road running
  • Sun 23 Mar 2025
Coleford, Gloucestershire, UK

Forest of Dean Spring Trails Half Marathon

  • 13.1 miles trail running
  • Sat 29 Mar 2025
Paignton, Devon, UK

Total Coastal - Half Marathon

  • 13.1 miles multi terrain running
  • Sun 30 Mar 2025
Gloucester, Gloucestershire, UK

Gloucester Half Marathon & 10K | Half Marathon

  • 13.1 miles road running

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