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Half marathons with PB potential in March 2026

Find half marathons with pb potential near me in March 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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The 'UK's most beautiful Half Marathon'! Fast run flanked by breathtaking views of Snowdonia National Park and the Menai Straits. It's no wonder this race has become a firm favourite.
  • Sun 1 Mar 2026
  • £44.99-£49.99
Anglesey, Isle of Anglesey, UK

Jones o Gymru Anglesey Half Marathon

The 'UK's most beautiful Half Marathon'! Fast run flanked by breathtaking views of Snowdonia National Park and the Menai Straits. It's no wonder this race has become a firm favourite.

  • Chip timing
  • Enter online
  • Undulating
  • PB
  • Age 17 & over
  • 13.1 miles road running + 889 ft ascent
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 1 Mar 2026
  • £32
Oundle, Northamptonshire, UK

Oundle 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 + 748 ft ascent
An early-season opener and chance to get back in the swing as spring approaches. Speed, timing, motivation, performance: this race will set the pace for your athletic challenges in the year to come.
  • Sun 8 Mar 2026
  • £18-£35
  • 8 charities
Paris, France

HOKA Paris Half Marathon

An early-season opener and chance to get back in the swing as spring approaches. Speed, timing, motivation, performance: this race will set the pace for your athletic challenges in the year to come.

  • Newcomers
  • Entertainment
  • Music
  • Chip timing
  • Enter online
  • PB
  • Traffic free
  • Fancy dress
  • Event village
  • Event expo
  • Urban
  • Park
  • Age 17 & over
  • 21.1 km road running
Join this fantastic experience on a completely flat course – perfect for achieving your personal best over a certified, accurate route, with free race photo, custom medal and friendly support!
  • Sun 8 Mar 2026
  • £34-£36
Nottingham, Nottinghamshire, UK

ATW Nottingham Holme Run | Half Marathon

Join this fantastic experience on a completely flat course – perfect for achieving your personal best over a certified, accurate route, with free race photo, custom medal and friendly support!

  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running + 13 ft ascent
Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.
  • Sat 14 Mar 2026
  • £29-£31
Leeds, West Yorkshire, UK

Spring Time Canal Canter | Half Marathon

Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 144 ft ascent
Run through traffic-free streets in the heart of Bath and experience the electric atmosphere on the course through the UK's only World Heritage City!
  • Sun 15 Mar 2026
  • £56.50
  • 21 charities
Bath, Somerset, UK

GetPRO Bath Half

Run through traffic-free streets in the heart of Bath and experience the electric atmosphere on the course through the UK's only World Heritage City!

  • Trees not tees
  • Wheelchair users
  • Recycling
  • Plastic bottle free
  • Entertainment
  • Ballot
  • Chip timing
  • Enter online
  • GPS tracking
  • Fundraising required
  • Flat
  • PB
  • Traffic free
  • Event village
  • Urban
  • Park
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 17 & over
  • 13.1 miles road running + 239 ft ascent
Run a half marathon on the island of Jersey from St Ouen in the west to the capital, St Helier, in the south along a fantastically flat and scenic course with a 5K downhill into the finish!
  • Sun 22 Mar 2026
  • £40
Jersey, Jersey

The Hospice Half Marathon

Run a half marathon on the island of Jersey from St Ouen in the west to the capital, St Helier, in the south along a fantastically flat and scenic course with a 5K downhill into the finish!

  • Newcomers
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Event village
  • Age 17 & over
  • 13.1 miles road running
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 22 Mar 2026
  • £32-£34
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
A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.
  • Sun 29 Mar 2026
  • £31
Romney Marsh, Kent, UK

Brett Lydd Half Marathon

A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 17 & over
  • 13.1 miles road running + 104 ft ascent
Lace up your trainers and RUN Battersea Park Half which will be a scenic and energising experience on a pancake-flat course for all abilities with beautiful views of green spaces and the River Thames.
  • Sun 29 Mar 2026
  • £29-£31
London, UK

RUN Battersea Park Half Marathon Spring

Lace up your trainers and RUN Battersea Park Half which will be a scenic and energising experience on a pancake-flat course for all abilities with beautiful views of green spaces and the River Thames.

  • Newcomers
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Event village
  • Park
  • Age 18 & over
  • 13.1 miles road running
  • Sun 1 Mar 2026
London, UK

London Half and 10K Presented by TREK | Half Marathon

  • 21.1 km road running + 117 m ascent
  • Sun 8 Mar 2026
Burry Port, Dyfed, UK

Great Welsh Marathon Events | Half Marathon

  • 13.1 miles road running + 240 ft ascent
  • Sun 15 Mar 2026
Weymouth, Dorset, UK

Weymouth Half Marathon | Half Marathon

  • 13.1 miles road running + 463 ft ascent
  • Sun 15 Mar 2026
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar 2026
Carlisle, Cumbria, UK

Run Carlisle Half Marathon and 10K | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar 2026
Wilmslow, Cheshire, UK

Waters Wilmslow Running Festival | The Asics Half Marathon

  • 13.1 miles road running + 386 ft ascent
  • Sun 29 Mar 2026
Fleet, Hampshire, UK

Fleet Half Marathon

  • 13.1 miles road running

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