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Flat Road runs in UK in March 2026

Find flat road runs in UK 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

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Ready... Steady... GLOW! Expect to be swept away on a distinctly magical 5K experience as dusk falls on the home of two 30-metre high horses.
  • Fri 13 - Sat 14 Mar
  • £26
Grangemouth, Falkirk, UK

Supernova Run Kelpies 5K

Ready... Steady... GLOW! Expect to be swept away on a distinctly magical 5K experience as dusk falls on the home of two 30-metre high horses.

  • 5K run 2
This disused airfield has a fast, flat, tarmac course with no sharp corners, and the surrounding tree cover makes for relatively still conditions on most days - but your PB or run stress-free.
  • Sun 15 Mar
  • £20-£30
Saffron Walden, Essex, UK

ATW Debden 10K and 5K

This disused airfield has a fast, flat, tarmac course with no sharp corners, and the surrounding tree cover makes for relatively still conditions on most days - but your PB or run stress-free.

  • 5K run
  • 10K run
The Essex 20 is held annually and is an ideal 20-mile race for the build-up to Marathon season, set over a 5-lap, flat, fast, tarmac course. Also hosting the Essex County Road Running Championships.
  • Sun 15 Mar
  • £22-£38
Saffron Walden, Essex, UK

Essex 20

The Essex 20 is held annually and is an ideal 20-mile race for the build-up to Marathon season, set over a 5-lap, flat, fast, tarmac course. Also hosting the Essex County Road Running Championships.

  • Road run 2
Come and join the Dashing Dog Charity run in the picturesque Dare Valley Country Park. Not only is the scenery beautiful but you will earn one of these awesome medals!
  • Sun 15 Mar
  • £16-£39
Aberdare, Mid Glamorgan, UK

The Dashing Dog Charity Run | Wales

Come and join the Dashing Dog Charity run in the picturesque Dare Valley Country Park. Not only is the scenery beautiful but you will earn one of these awesome medals!

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Kickstart your season with the Flapjack 5K — a friendly, fast, and flat run on Torbay Velopark’s smooth tarmac, with a delicious flapjack reward at the finish!
  • Sun 15 Mar
  • £10-£18
Paignton, Devon, UK

Flapjack 5K

Kickstart your season with the Flapjack 5K — a friendly, fast, and flat run on Torbay Velopark’s smooth tarmac, with a delicious flapjack reward at the finish!

  • 5 km road running
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
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
  • £28-£38
Waltham Cross, Hertfordshire, UK

ATW Run Fest at Lee Valley

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.

  • 10K run
  • Half marathon
Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals!
  • Sun 22 Mar
  • £17-£40
Staines, Surrey, UK

The Dashing Dog Charity Run

Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals!

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Entries closed
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
Entries closed
Kew The Run starts and finishes in the beautiful Royal Botanical Gardens, Kew, where runners (and four supporters) get free entry into the gardens, a fantastic medal and tech t-shirt!
  • Sat 28 - Sun 29 Mar
  • FREE-£47
Richmond, UK

Uber Boat by Thames Clippers Kew The Run

Kew The Run starts and finishes in the beautiful Royal Botanical Gardens, Kew, where runners (and four supporters) get free entry into the gardens, a fantastic medal and tech t-shirt!

  • 10K run
  • 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.
  • Sun 29 Mar
  • £31-£33
Romney Marsh, Kent, UK

Brett Lydd Half Marathon & 20 Mile

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.

  • Half marathon
  • Marathon
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
Lace up your trainers and RUN Battersea Park 10K 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
  • £24-£26
London, UK

RUN Battersea Park 10K Spring

Lace up your trainers and RUN Battersea Park 10K 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.

  • 10 km road running
  • Thu 12 Mar
  • £2
Weston-super-Mare, Somerset, UK

The Dave Jones Prom Run Series - Race 7 | Junior 1 Mile

  • 1 mile road running
  • Fri 13 Mar
  • £10-£12
York, North Yorkshire, UK

EvenSplits York 5K Race Series - March

  • 5 km road running
  • Sat 14 Mar
  • £12-£15
Nelson, Lancashire, UK

Craggrunner Sprint 5K

  • 5 km road running
  • Sun 15 Mar
  • £11-£42
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running

  • 5K run
  • 10K run
  • Half marathon
  • Road run
  • Sun 15 Mar
  • £33-£40
Liverpool, Merseyside, UK

Liverpool Half Marathon & 10 Miler

  • 10 miler
  • Charity half marathon
  • Sun 15 Mar
  • £16-£30
Birchington, Kent, UK

Smugglers Run 10K & 5K

  • 5K run
  • 10K run
  • Sun 15 Mar
  • £20-£26
Edinburgh, UK

Cramond Promenade 5K/10K/Half Marathon

  • 5K run
  • 10K run
  • Half marathon
  • Sun 15 Mar
  • £7-£40
London, UK

Hackney Legacy Half Marathon and Legacy Mile

  • Half marathon
  • Fun run
  • Sun 15 Mar
  • £26-£29.50
Nantwich, Cheshire, UK

Secret Half & 20

  • Half marathon
  • Road run
  • Sun 15 Mar
  • £25.50-£32.50
Derby, Derbyshire, UK

Derby 10K | 10K

  • 10 km road running
  • Tue 17 Mar
  • £7-£9
Edinburgh, UK

Blast 5K - The Meadows 2026 Series

  • 5 km road running
  • Sat 21 Mar
  • £57-£59
Welwyn Garden City, Hertfordshire, UK

London Lea Valley Ultra

  • 50 km road running

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