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Half marathons in UK in March 2025

Find half marathons near me in UK 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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Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.
  • Sun 23 Mar 2025
  • £35-£37
  • Sun 23 Mar 2025
  • £35-£37
Waltham Cross, Hertfordshire, UK

ATW Run Fest at Lee Valley | Half Marathon

Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.

  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running + 79 ft ascent
Take in the highlights of the centre of Reading and the beautiful grounds of the University campus while experiencing huge crowd support as you're cheered into the Olympic stadium and over the finish!
  • Sun 23 Mar 2025
  • 4 charities
  • Sun 23 Mar 2025
  • 4 charities
Reading, Berkshire, UK

Reading Half Marathon | Half Marathon charity places

Take in the highlights of the centre of Reading and the beautiful grounds of the University campus while experiencing huge crowd support as you're cheered into the Olympic stadium and over the finish!

  • Chip timing
  • Enter online
  • Age 17 & over
  • 13.1 miles road running
  • Sun 23 Mar 2025
Brentwood, Essex, UK

Bakers Brentwood Half Marathon

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

Bournemouth Bay Run | 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
Redhill, Surrey, UK

Y2Y North Downs Trek / Run | Half Marathon Challenge Run

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

Forest of Dean Spring Trails Half Marathon

  • 13.1 miles trail running
  • Sun 23 Mar 2025
Hexham, Northumberland, UK

TRAILDOG Kielder Waterside | Half Marathon

  • 13.1 miles road running
  • Sun 23 Mar 2025
Saint Leonards-on-sea, East Sussex, UK

Hastings Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sat 29 Mar 2025
Tring, Hertfordshire, UK

Run the Wild Half Marathon - Spring Edition

  • 21.1 km trail running
  • Sat 29 Mar 2025
Broxbourne, Hertfordshire, UK

Gratitude 25K

  • 25 km road running
  • Sat 29 Mar 2025
Rowland's Castle, Hampshire, UK

Stansted House Trail Run | 21K

  • 21 km trail running
  • Sat 29 Mar 2025
Paignton, Devon, UK

Total Coastal - Half Marathon

  • 13.1 miles multi terrain running
  • Sat 29 Mar 2025
Coniston, Cumbria, UK

Coniston 14

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

Gloucester Half Marathon & 10K | Half Marathon

  • 13.1 miles road running
  • Sun 30 Mar 2025
Merthyr Tydfil, Mid Glamorgan, UK

San Domenico 20/10 Miler | 20 Miler

  • 20 miles road running
  • Sun 30 Mar 2025
London, UK

Best Race Series - Race 1 | Half Marathon

  • 13.1 miles road running
  • Sun 30 Mar 2025
London, UK

Finsbury Park 5K, 10K, Half Marathon & Junior | Half Marathon

  • 13.1 miles road running
  • Sun 30 Mar 2025
Manchester, Greater Manchester, UK

Run Heaton 5K, 10K, Half Marathon & Junior Race | Half Marathon

  • 13.1 miles road running
  • Sun 30 Mar 2025
Manchester, Greater Manchester, UK

Run Heaton 5K, 10K, Half Marathon & Junior Race | 10K

  • 10 km road running
  • Sun 30 Mar 2025
London, UK

Finsbury Park 5K, 10K, Half Marathon & Junior | 10K

  • 10 miles road running

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