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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 most beautiful half marathon in North Wales! Flanked by breathtaking views of Eryri (Snowdonia), the beauty and uniqueness of this event is what draws people from all over the UK!
  • Sun 1 Mar
  • £46.99-£49.99
Anglesey, Isle of Anglesey, UK

Jones o Gymru Anglesey Half Marathon

The most beautiful half marathon in North Wales! Flanked by breathtaking views of Eryri (Snowdonia), the beauty and uniqueness of this event is what draws people from all over the UK!

  • 13.1 miles road running + 224 m ascent
  • Chip timing
  • Enter online
  • Undulating
  • PB
  • Traffic free
  • Age 17 & over
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
  • £33
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.

  • 20 miles road running + 633 ft ascent
  • Enter online
  • Undulating
  • PB
  • Age 18 & over
Entries closed
40th edition! A highly anticipated annual half marathon for the running community with the theatre of a traffic-free, town centre start and finish for that great race-day buzz!
  • Sun 1 Mar
  • £37.50-£39.50
Taunton, Somerset, UK

Taunton Half Marathon

40th edition! A highly anticipated annual half marathon for the running community with the theatre of a traffic-free, town centre start and finish for that great race-day buzz!

  • 13.1 miles road running + 505 ft ascent
  • Enter online
  • PB
  • Traffic free
  • Age 17 & over
Entries closed
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
  • £18-£35
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.

  • 21.1 km road running
  • Beginner-friendly
  • Entertainment
  • Music
  • Chip timing
  • Enter online
  • PB
  • Traffic free
  • Fancy dress
  • Event village
  • Event expo
  • Urban
  • Park
  • Age 17 & over
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
  • £36-£38
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!

  • 13.1 miles road running + 13 ft ascent
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
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
  • £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.

  • 13.1 miles trail running + 144 ft ascent
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
Entries closed
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
  • £15-£45
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!

  • 13.1 miles road running + 239 ft ascent
  • Trees not tees
  • Venue accessible
  • 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
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
  • £45
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!

  • 13.1 miles road running + 106 m ascent
  • Beginner-friendly
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Event village
  • Age 17 & over
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
  • £36-£38
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.

  • 13.1 miles road running + 79 ft ascent
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
“Your Distance, Your Pace, Your Weekend” Looking for a friendly, scenic half marathon in Yorkshire?
  • Sat 28 Mar
  • £30-£32
Huddersfield, West Yorkshire, UK

Yorkshire Weekend Saunter Series in Slawit | Half Marathon

“Your Distance, Your Pace, Your Weekend” Looking for a friendly, scenic half marathon in Yorkshire?

  • 13.1 miles road running + 417 ft ascent
  • Enter online
  • PB
  • Age 17 & over
The Kew Half Marathon starts inside Kew Gardens and every runner will receive a fantastic medal, a technical running t-shirt (male and female cut) and free entry into the gardens!
  • Sun 29 Mar
  • FREE-£25
Richmond, UK

Kew Gardens Half Marathon

The Kew Half Marathon starts inside Kew Gardens and every runner will receive a fantastic medal, a technical running t-shirt (male and female cut) and free entry into the gardens!

  • 13.1 miles road running + 85 m ascent
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
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
  • £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.

  • 13.1 miles road running
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 17 & over
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
  • £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.

  • 13.1 miles road running
  • Beginner-friendly
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Event village
  • Park
  • Age 18 & over
  • Sun 1 Mar
  • £42-£54
London, UK

London Half and 10K Presented by TREK | Half Marathon

  • 21.1 km road running + 117 m ascent
  • Sun 8 Mar
  • £42
Burry Port, Dyfed, UK

Great Welsh Marathon Events | Half Marathon

  • 13.1 miles road running + 240 ft ascent
  • Sun 15 Mar
  • £36-£38
Weymouth, Dorset, UK

Weymouth Half Marathon | Half Marathon

  • 13.1 miles road running + 463 ft ascent
  • Sun 15 Mar
  • £34-£38
London, UK

Hackney Legacy Half Marathon and Legacy Mile | Half Marathon

  • 13.1 miles road running
  • Sun 15 Mar
  • £26
Edinburgh, UK

Cramond Promenade 5K/10K/Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sun 15 Mar
  • £26-£28
Nantwich, Cheshire, UK

Secret Half & 20 | Secret Half

  • 13.1 miles road running
  • Sun 15 Mar
  • £34-£37
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar
  • £32-£34
Carlisle, Cumbria, UK

Run Carlisle Half Marathon and 10K | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar
  • £35
Wilmslow, Cheshire, UK

Waters Wilmslow Running Festival | The Asics Half Marathon

  • 13.1 miles road running + 386 ft ascent
  • Sun 22 Mar
  • £35-£37
Devizes, Wiltshire, UK

Devizes Half Marathon | Devizes Half Marathon

  • 13.1 miles road running + 620 ft ascent
  • Sun 22 Mar
  • £35
London, UK

The One in the Park - Victoria Park | Half Marathon

  • 13.1 miles road running
  • Sun 29 Mar
  • £30-£32
Fleet, Hampshire, UK

Fleet Half Marathon

  • 13.1 miles road running

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