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Half marathons in March 2026

Find half marathons in March 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!
  • Sat 28 Mar 2026
  • £31
Bakewell, Derbyshire, UK

Monsal Trail April Half Marathon | Saturday

Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 13.1 miles multi terrain running + 2181 ft ascent
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 2026
  • £45.50-£52.50
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!

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running + 85 m ascent
Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.
  • Sun 29 Mar 2026
  • £29-£31
Shipley, West Yorkshire, UK

Sir Titus March Mayhem | Half Marathon

Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.

  • Chip timing
  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles trail running + 253 ft ascent
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 29 Mar 2026
  • £32-£38
Brandon, Suffolk, UK

Zig Zag Challenge | 6 Hour

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 6 hrs trail running + 299 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
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Half Marathon

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 13.1 miles multi terrain running + 3002 ft ascent
Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!!
  • Sun 29 Mar 2026
  • £17-£29
Durham, County Durham, UK

Fraggle Run - North | Half Marathon

Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running
Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!
  • Sun 29 Mar 2026
  • £31
Bakewell, Derbyshire, UK

Monsal Trail April Half Marathon | Sunday

Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 13.1 miles multi terrain running + 2181 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
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 29 Mar 2026
  • £32-£38
Brandon, Suffolk, UK

Zig Zag Challenge | 4 Hour

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 4 hrs trail running + 299 ft ascent
  • Sun 1 Mar 2026
Anywhere

St Davids Day Virtual

  • 1 day multi terrain running
  • Sun 1 Mar 2026
Brandon, Suffolk, UK

High Lodge Half Marathon - Spring

  • 13.1 miles multi terrain running
  • Sun 1 Mar 2026
Northampton, Northamptonshire, UK

Pitsford Water Trail Races | Half Marathon

  • 13.1 miles trail running + 607 ft ascent
  • Sun 1 Mar 2026
Chelmsford, Essex, UK

Chelmsford Half Marathon, 10K and 5K | Half Marathon

  • 13.1 miles road running + 338 ft ascent
  • Sun 1 Mar 2026
London, UK

London Half and 10K Presented by TREK | Half Marathon

  • 21.1 km road running + 117 m ascent
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Half Marathon

  • 13.1 miles trail running + 2185 ft ascent
  • Sun 8 Mar 2026
Okehampton, Devon, UK

Granite Way 10 and 20 Mile | 20 Mile

  • 20 miles road running
  • Sun 8 Mar 2026
Burry Port, Dyfed, UK

Great Welsh Marathon Events | Half Marathon

  • 13.1 miles road running + 240 ft ascent
  • Sun 8 Mar 2026
Eastbourne, East Sussex, UK

Eastbourne Half Marathon

  • 13.1 miles road running + 166 m ascent
  • Sun 8 Mar 2026
Tonbridge, Kent, UK

Lambert & Foster Paddock Wood Half Marathon

  • 13.1 miles road running
  • Sun 8 Mar 2026
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sun 8 Mar 2026
Inverness, Highland, UK

Inverness Half Marathon & 5K | Half Marathon

  • 13.1 miles road running
  • Sat 14 Mar 2026
Otley, West Yorkshire, UK

Welcome Way | 13 Mile

  • 13 miles trail running + 2200 ft ascent
  • Sat 14 Mar 2026
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Half Marathon

  • 13 miles trail running
  • Sun 15 Mar 2026
Weymouth, Dorset, UK

Weymouth Half Marathon | Half Marathon

  • 13.1 miles road running + 463 ft ascent

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