Flat Trail runs in UK
Find flat trail 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.
Filter by place
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
North West
Wales
Everywhere
Filter by date
This week
This weekend
Next week
Next weekend
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Spring
Summer
Autumn
Winter
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Wed 3 Jun
- £35.10-£39
Griffin Challenge
Take on the Griffin Challenge at Coombe Abbey Park, a flexible lap-based trail event where you choose your distance and run scenic woodland and parkland trails.
- 6 hrs trail running
- Sat 6 Jun
- £80-£130
Suffolk Back Yard Ultra Festival
Push your limits at the highly competitive Summer Suffolk Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
- Fixed time runs 2
- Ultra run
- Sat 13 Jun
- £9-£44
Rame Head Race
Coastal paths with a satisfying mix of hills plus flatter, faster sections on a multi-lap route round the stunning Mount Edgcumbe Peninsula — a spectacular coastal challenge.
- 10K run
- CaniCross
- Half marathon
- Marathon
- Fun run 2
- Sun 21 Jun
- £15-£29
Lord of The Run | North
Come and join in for Lord of The Run run! Whether you love the series of books and the film franchise or you just fancy a run along the beautiful River Wear, then this is the event for you!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 28 Jun
- £26-£42
The Snickerthon
Ya all know Snickers used to be called a Marathon bar, don't ya... Come and join this multi-lap event and see how far you can go!
- 5K run
- 10K run
- Half marathon
- Marathon
- Tue 7 Jul
- £16
Thursley Common 10K
Explore peaceful heathland trails on a guided run through Thursley National Nature Reserve, weaving through rare landscapes of open heath, boardwalks and woodland in the Surrey Hills.
- 10 km trail running
- Fri 10 Jul
- £33.30-£39
Swan Challenge
Choose your distance and lap the scenic trails of Coombe Abbey Park at the Swan Challenge, a flexible endurance run where you decide how far to go.
- 6 hrs trail running
- Sat 1 Aug
- From £100
Scouts Honour Backyard Ultra
Runners complete two off-road loops through fields and woodland, starting a new loop every hour on the hour. Complete the loop in time, and you start again, until there's one last man standing!
- 4.17 miles trail running
- Sat 8 Aug
- £56-£100
ATW Odyssey12
The ATW Odyssey 12hr Run is more than just a running event, its a journey of self-discovery through the beautiful multi-terrain footpaths around St Neots.
- 12 hrs trail running
- Sun 9 Aug
- £33-£55
Thames Meander Summer
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great support, medal and photo.
- 10K run
- Half marathon
- Marathon
- Sat 15 Aug
- £25-£56
Sir Titus Summer Trot
Enjoy a trip up the Leeds and Liverpool Canal this summer over a range of distances, all along the flat and even towpath. This event is perfect for runners of all abilities.
- 10K run
- Half marathon
- Marathon
- Ultra run
- Trail run
- + 1 more race
- Sat 22 Aug
- £24-£42
Summer Extravaganza
Soak up summer miles on a flat, fast canal towpath, with great support, generous treats and distances for every runner — a Yorkshire day out to remember.
- 10K run
- 10 miler
- Half marathon
- Trail run
- Marathon
- Sun 30 Aug
- £15-£29
GNR & Time Turner | Durham
Whether you're looking to get some miles under your belt before The Great North Run or you just fancy a run along the beautiful River Wear, then this is the event for you!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 5 Sep
- £25-£42
Hip Hip Hooray it's Hornsea
We all love to be beside the seaside, so why not enjoy a trail run from the coast at Hornsea in East Yorkshire? You can grab yourself fish and chips and an ice cream from the front after the race.
- 10K run
- 10 miler
- Half marathon
- Trail run
- Marathon
- Fri 11 - Sun 13 Sep
- £39-£199
Thames Path Ultra Challenge
England’s greatest river provides a fantastic backdrop for an unforgettable 'festival' challenge weekend, with distances from 10km right up to 100km there’s a Thames Challenge for everyone!
- 100K ultra run 2
- 50K ultra run 2
- Trail run 4
- Ultra run
- 10K run
- + 4 more races
- Sat 12 Sep
- £80-£120
Thetford Back Yard Ultra Festival
Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
- Fixed time runs 2
- Ultra run
- Sat 19 Sep
- £25-£56
Oktoberfest
Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. With distances ranging from 10K to ultra marathon along the flat, even towpath - this event is perfect for all abilities.
- 10K run
- 10 miler
- Half marathon
- Trail run
- Marathon
- + 1 more race
- Wed 30 Sep
- £34.20-£40
Kingfisher Challenge
Mature woodland, waterways and open grassland - it’s simply trail running perfection! Run as many 5K laps as you wish in the time limit, then receive your well-deserved medal, flapjack and beer.
- 6 hrs trail running
- Sun 4 Oct
- £33-£55
Thames Meander Autumn
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great support, medal and photo.
- 10K run
- Half marathon
- Marathon
- Sun 18 Oct
- £51.50
Brenig Way 50K Trail
This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.
- 50 km trail running + 1450 m ascent
- Sat 24 Oct
- £28-£36
Monsal Trail October Half Marathon & 10K | 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!
- 10K run
- Half marathon
- Sun 25 Oct
- £28-£36
Monsal Trail October Half Marathon & 10K | 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!
- 10K run
- Half marathon
- 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
- £35-£55
Stort30
A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.
- 30 miles trail running + 188 ft ascent
- Sat 31 Oct
- £4-£56
Hubble Bubble & Ghostly 1 Mile
A Halloween-themed running event 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.
- 10K run
- Half marathon
- Marathon
- Ultra run
- Trail run
- + 2 more races