Half marathons in UK in March 2026
Find half marathons 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.
- 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
- 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
- Sun 22 Mar
- £37-£39
Hastings Half Marathon
This is the race you'll want to keep racing, year after year. Explore the delights of the Hastings Half Marathon as it twists and turns through the historic town of Hastings and beyond.
- 13.1 miles road running + 961 ft ascent
- Sat 28 Mar
- £24-£30
Exeter Trail Races
Off-road trail races around the grounds of Escot Park with some tough little climbs along the way. Ideal for runners of all abilities with canicross category too. Medal for every finisher!
- 10K run
- CaniCross 2
- Half marathon
- Sat 28 Mar
- £37.50-£39.50
Intergalactic
Run your way across the galaxy on a fun, flexible lapped course where you choose the distance, set the pace and earn an out-of-this-world finisher’s medal in the stunning Hurn Forest.
- 7 hrs trail running + 56 ft ascent
- Sat 28 Mar
- £30-£32
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
- Sat 28 Mar
- £33-£35
London Marathon Long Training Run | Day 4
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 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
- Sat 28 Mar
- £26-£28
Finish Line Run | Half Marathon
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.
- 13.1 miles trail running + 132 ft ascent
- Sat 28 Mar
- £36
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!
- 13.1 miles multi terrain running + 1972 ft ascent
- Sun 29 Mar
- £16-£29
Fraggle Run | North
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!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 2 more races
- Sun 29 Mar
- £33-£38
Zig Zag Challenge
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.
- Multi-terrain run 2
- 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
- £26-£37.50
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!
- 13.1 miles multi terrain running + 3002 ft ascent
- Sun 29 Mar
- £36
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!
- 13.1 miles multi terrain running + 1972 ft ascent
- 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
- £25-£27
High Lodge Half Marathon - Spring
- 13.1 miles multi terrain running
- Sun 1 Mar
- £30
Pitsford Water Trail Races | Half Marathon
- 13.1 miles trail running + 607 ft ascent
- Sun 1 Mar
- £50-£52
Chelmsford Half Marathon, 10K and 5K | Half Marathon
- 13.1 miles road running + 338 ft ascent
- 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
- £42
El Diablo Trail Half Marathon & 10K | Half Marathon
- 13.1 miles trail running + 2096 ft ascent
- Sun 1 Mar
- £37-£39
XMiles Bolton Half Marathon & 10K | Half Marathon
- 13.1 miles road running + 144 ft ascent