Flat Half marathons in March 2026
Find flat half marathons 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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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 7 Mar
- £16-£35
The Panda Plod
Here's another animal-inspired event for you. The featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your collection!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 7 Mar
- £33-£35
London Marathon Long Training Run | Day 1
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.
- 7 hrs trail running
- Sun 8 Mar
- £43-£45
Thames Meander Spring | Half Marathon
Stunningly scenic riverside route along the Thames towpath. Flat, fast and very runnable with great runner support. The marathon on the same day was previously rated one of the top 10 UK marathons.
- 13.1 miles trail running + 300 ft ascent
- Sun 8 Mar
- £20-£35
TTP Cambridge Half Marathon
Run 13.1 unforgettable miles through Cambridge’s historic streets and iconic University grounds on a flat, fast-paced course perfect for supporting a charity cause and chasing a personal best.
- 13.1 miles road running
- Sun 8 Mar
- £36-£38
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
- Sat 14 Mar
- £29-£31
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
- Sat 14 Mar
- £33-£35
London Marathon Long Training Run | Day 2
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.
- 7 hrs trail running
- Sat 14 Mar
- £23-£35
The Sloth Scamper | Time Challenge
Come and join in The Sloth Scamper Time Challenge where slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot. Anyone know what a group of sloths is called?
- 7 hrs trail running
- Sun 15 Mar
- £18-£38
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
- Sun 15 Mar
- £15-£45
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
- Sat 21 Mar
- £16-£35
The Flying Fox
Come and join The Flying Fox event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 21 Mar
- £15-£34
The Flying Fox | Northampton
Come and join in for The Flying Fox event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 21 Mar
- £33-£35
London Marathon Long Training Run | Day 3
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with like-minded runners.
- 7 hrs trail running
- Sun 22 Mar
- £18-£40
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
- Sun 22 Mar
- £45
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
- Sun 22 Mar
- £36-£38
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
- Sat 28 Mar
- £23-£35
Milkshake Meander | Half Marathon
"My milkshake brings all the boys to the yard"... not quite sure where we're going with this but come and join this fantasic Milkshake Meander event!
- 13.1 miles trail running
- Sun 29 Mar
- FREE-£25
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
- Sun 29 Mar
- £29-£31
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.
- 13.1 miles trail running + 253 ft ascent
- Sun 29 Mar
- £31
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
- Sun 29 Mar
- £17-£29
Fraggle Run | North | Time Challenge
Who doesn't know and love The Fraggles! Come and join in the Fraggle Run Time Challenge and earn a medal based on the adorable little creatures!
- 7 hrs trail running
- Sun 29 Mar
- £29-£31
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
- Sun 1 Mar
- £42-£54
London Half and 10K Presented by TREK | Half Marathon
- 21.1 km road running + 117 m ascent
- Sun 1 Mar
- £36-£42
St Davids Day Celebration North Wales Pilgrims Half Marathon | Half Marathon
- 21 km trail running