Flat Road runs in UK
Find flat road runs in UK 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.
- Sun 27 Sep
- FREE-£37
RUN Barnstaple
Go the distance for your local children's hospice with a Marathon, Half Marathon, 10K or Junior Challenge! Take on this flat and fast course and get your PB.
- Marathon
- Half marathon
- 10K run
- Fun run
- Sun 27 Sep
- £0.50
Windsor Half Marathon | Sprite Sprint
Run for fun at the Windsor Half Marathon! A short run for ages 5-9 on the grass alongside the Long Walk which you can come and enter on the day.
- 40 m road running
- Sun 27 Sep
- £49.99
Vitality London 10,000
A capital city 10K on a flat course with closed roads and world-famous landmarks! Cheering crowds, great medal, family-friendly run and wellness festival too.
- 10 km road running
- Sun 27 Sep
- From £25
Folkestone Rotary Half Marathon
This ever popular race promises amazing coastal views and a relatively flat coastal promenade run with real PB potential.
- 13.1 miles road running + 469 ft ascent
- Sat 3 Oct
- FREE-£20
- Early bird
AJ Bell Junior & Mini Great Scottish Run
Who said grown-ups should have all the fun? Take on the challenge, soak up the atmosphere and discover your superpower! This event is the perfect stage for young runners to shine.
- Fun run 3
- Sat 3 Oct
- £28-£34
Run Dorney Lake | October
Choose your distance and chase your personal best on the flat, chip-timed course at London 2012's iconic Olympic venue; all abilities welcome.
- 5K run
- 10K run
- Half marathon
- Sun 4 Oct
- £10-£95
Manchester Half Marathon
Round off your season with a flat, fast half on closed roads, roaring crowd support, and a well-earned chunky medal near Old Trafford.
- 13.1 miles road running + 64 m ascent
- Sun 4 Oct
- £5-£60
Oysho Cardiff Half
An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage!
- 13.1 miles road running + 81 m ascent
- Sat 10 Oct
- £10-£270
William Wallace Running Festival
"Follow in the Footsteps of Legends". Step onto Scotland’s most storied battlefields, where warriors once fought for freedom, and take on your own epic challenge. Are you ready to take the field?
- Ultra run
- 50K ultra run
- 10K run
- Fun run
- Sun 11 Oct
- £19.90-£40
AEPG Great Eastern Run
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.
- 5K run
- Half marathon
- 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
- £38.50-£44.25
Bournemouth Supersonic 10K
A flat, fast and scenic 10K along Bournemouth’s stunning coastline — race between two iconic piers and soak up the festival atmosphere from start to finish.
- 10 km road running + 19 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
- Sat 17 Oct
- £22
AJ Bell Junior & Mini Great South Run
Who said grown-ups should have all the fun? Take on the challenge, soak up the atmosphere and discover your superpower! This event is the perfect stage for young runners to shine.
- Fun run 2
- Sat 17 Oct
- £27-£30
AJ Bell Great South 5K
Kicking off the famous weekend of running on a route with beautiful views across the Solent, an incredible atmosphere, lovely fresh sea air and a fast and flat route with PB potential.
- 5 km road running
- Sun 18 Oct
- £28-£380
Yorkshire Marathon Festival
The Yorkshire Marathon Festival is back and bigger than ever! With epic crowd support, runners will explore the historic streets and beautiful countryside. Be part of this incredible festival!
- Marathon 2
- 10 miler
- Sun 18 Oct
- £37-£39
Windsor Dorney Lakeside Marathon
Race a fast, flat and traffic-free marathon at Dorney Lake, the London 2012 Olympic rowing venue, with lakeside scenery, great atmosphere and excellent runner support throughout.
- 26.2 miles road running
- Sun 18 Oct
- £18-£20
Hove Prom 10K
Join Arena 80 for this fast and flat 10K along the scenic promenade and with the right conditions, PBs are very likely.
- 10 km road running
- Sun 18 Oct
- £24-£26
Windsor Dorney Lakeside 10K
Race a fast, flat and traffic-free 10K at Dorney Lake, the London 2012 Olympic rowing venue, with lakeside scenery, great atmosphere and excellent runner support throughout.
- 10 km road running
- Sun 18 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
- Sun 18 Oct
- £51-£53
AJ Bell Great South Run
Probably the world’s favourite 10 mile running event with inspiring history, salty air and glorious sea views guaranteed! Local supporters will keep your spirits and motivation up the whole way.
- 10 miles road running
- Sun 1 Nov
- £12-£35
Cardiff MoRun
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, Cardiff!
- Fun run
- 5K run
- 10K run
- Half marathon
- Sun 1 Nov
- FREE-£41
ATW Bedford 10K & 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 run.
- Fun run
- 10K run
- Half marathon
- Sat 7 Nov
- £14-£41
ATW Remembrance Runs
Join ATW for the Remembrance Runs at The Carver Barracks, (Formerly Debden Airfield), in Essex to help honour our fallen heroes and raise money for this fantastic military charity.
- Fun run
- 5K run
- 10K run
- Half marathon