Flat Half marathons
Find flat half marathons near me in 2026/2027 - 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.
- Mon 4 May
- £40-£50
MK Half Marathon
A popular, fast, scenic AIMS-certified race, with BARR Gold accreditation for outstanding race management featuring beautiful lakes, parks, and picturesque villages with the highest level of support.
- 13.1 miles road running + 518 ft ascent
- Sun 11 Oct
- £15-£70
Royal Parks Half Marathon
Run through four of London’s most beautiful Royal Parks, past iconic landmarks and tree-lined avenues, on a stunning autumn route that combines city energy with natural splendour.
- 13.1 miles road running + 95 m ascent
- Sun 11 Oct
- £15-£130
Oxford Half Marathon
Runners will enjoy the fast, flat and beautiful route through University Parks and the historic Oxford City Centre whilst celebrating running and movement with entertainment and cheering fans!
- 13.1 miles road running
- Sun 11 Oct
- £36-£54
Chelmsford Half Marathon
Don't miss out on one of the biggest half marathons in Essex; it's something special! Join runners as they go race, run, jog, and walk through Central Park and into the Essex countryside.
- 13.1 miles road running + 331 ft ascent
- Sun 11 Oct
- £38-£40
AEPG Great Eastern Run | Half Marathon
Race through historic streets and vibrant crowds, chasing your personal best on a fast, flat course and experience electrifying support and unforgettable moments in this celebrated running challenge.
- 13.1 miles road running + 65 m ascent
- Sun 11 Oct
- £46.25-£51.50
Bournemouth Half Marathon
Sun, sea and 13.1 miles of stunning coastline — a spectacular half marathon taking you across both Bournemouth piers, as the headline event of the Run Bournemouth running festival!
- 13.1 miles road running + 101 m ascent
- Sun 18 Oct
- €60
Amsterdam Mizuno Half Marathon
Run the biggest half marathon of the Netherlands and experience stunning canals, lively streets, and iconic landmarks on a flat, fast course finishing in the city’s historic Olympic Stadium.
- 13.1 miles road running
- Sat 24 Oct
- £36
Monsal Trail October 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 trail running + 1972 ft ascent
- Sun 25 Oct
- £37.50-£39.50
Wight Lines
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
- 7 hrs trail running + 47 ft ascent
- Sun 25 Oct
- £36
Monsal Trail October 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 trail running + 1972 ft ascent
- Sun 25 Oct
- £32-£34
Windsor Dorney Lakeside Half Marathon
Race a fast, flat and traffic-free half marathon at Dorney Lake, the London 2012 Olympic rowing venue, with lakeside scenery, great atmosphere and excellent runner support throughout.
- 13.1 miles road running
- Sat 31 Oct
- £30-£32
Hubble Bubble & Ghostly 1 Mile | Half Marathon
A Halloween-themed half marathon you won't want to miss, bringing together runners of all abilities to share memories in what they love to do. Reach the finish to enjoy tasty Halloween treats.
- 13.1 miles trail running + 144 ft ascent
- Sun 1 Nov
- £39-£41
ATW Bedford Half Marathon
Chase your personal best on one of the UK’s flattest, fastest and most scenic courses, looping the River Ouse and Priory Park in a spectacular Bedford Half Marathon.
- 21.1 km road running
- Sun 1 Nov
- £25-£35
Cardiff MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Cardiff!
- 13.1 miles road running
- Sat 7 Nov
- From £34
ATW Remembrance Runs | Half Marathon
Join ATW for the Half Marathon Remembrance Run at The Carver Barracks, (Formerly Debden Airfield), in Essex to help honour our fallen heroes and raise money for this fantastic military charity.
- 13.1 miles road running + 89 ft ascent
- Sun 8 Nov
- £25-£37
Remembrance Run | South | Half Marathon
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a half marathon, then a Remembrance medal, goody bag and special pin.
- 13.1 miles trail running
- Sat 21 Nov
- £25-£35
Liverpool MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Liverpool!
- 13.1 miles trail running
- Sat 21 Nov
- £25-£35
Newcastle MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Newcastle!
- 13.1 miles road running
- Sun 22 Nov
- £25-£35
York MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, York!
- 13.1 miles road running
- Sun 29 Nov
- £25-£35
London Richmond Riverside MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, London!
- 13.1 miles trail running
- Sun 29 Nov
- £25-£35
Glasgow MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Glasgow!
- 13.1 miles road running
- Sat 12 Dec
- £28-£30
Crikey its the Christmas Cracker | Day 1 | Half Marathon
Take on this out and back course to really get in the Christmas spirit. This event isn't just about the race itself, the activities at Race HQ are bound start a jolly atmosphere!
- 13.1 miles trail running + 144 ft ascent
- Sun 13 Dec
- £37.50-£39.50
Step into Christmas
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
- 7 hrs road running
- Sun 13 Dec
- £28-£30
Crikey its the Christmas Cracker | Day 2 | Half Marathon
An out and back course to really get you in the Christmas spirit with activities at Race HQ bound start a jolly atmosphere, whether you want a PB or to challenge yourself over this distance.
- 13.1 miles trail running + 144 ft ascent
- Sun 13 Dec
- £22-£34
The Snow Globe Gallop Bobble Hat Run | North | Half Marathon
Come and join in the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in plus you will get a bobble hat for all your effort!
- 13.1 miles trail running
- Sun 20 Dec
- From £32
ATW Nottingham Holme Run | Half Marathon
This fantastic, traffic-free, pancake-flat half marathon takes place at the scenic National Water Sports Centre in Nottingham, offering a perfect setting for runners of all abilities.
- 13.1 miles road running + 33 ft ascent