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.
- Sun 8 Nov
- £20-£37
Remembrance Run | South
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 14 Nov
- £21
Dark Skies Series | Moonlit Meadow Run
The Moonlit Meadow Run is a double Gold award-winning night trail running event and the original inspiration for the ‘Dark Skies Series’ of night trail running events across Somerset.
- 5K run
- 10K run
- Sat 14 Nov
- £61.50
The Anglesey 3 Peaks Run Challenge
Run the three peaks of Anglesey: a guided 55km ultra linking the island’s highest summits on spectacular coastal and inland trails, finishing at beautiful Lligwy Beach.
- 55 km trail running
- Fri 20 Nov
- £34
Dart Challenge | Dart Challenge
Take on a scenic trail challenge on a weekday along the River Dart, with rolling hills, woodland paths and breathtaking views through some of Devon’s most beautiful countryside.
- 6 hrs multi terrain running
- Sat 21 Nov
- £8-£35
Liverpool 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, Liverpool!
- Fun run
- 5K run
- 10K run
- Half marathon
- Sun 29 Nov
- £8-£35
London Richmond Riverside 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, London!
- Fun run
- 10K run
- Half marathon
- Sat 12 Dec
- £14-£41
Crikey its the Christmas Cracker | Day 1
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!
- 5K run
- 10K run
- Half marathon
- Trail run
- Marathon
- + 1 more race
- Sun 13 Dec
- £14-£41
Crikey its the Christmas Cracker | Day 2
An out and back course to really get you in the Christmas spirit with activities at Race HQ bound to start a jolly atmosphere, whether you want a PB or the challenge of a longer distance.
- 5K run
- 10K run
- Half marathon
- Trail run
- Marathon
- + 1 more race
- Sun 13 Dec
- £20-£34
The Snow Globe Gallop Bobble Hat Run | North
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!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 26 Dec
- £16-£35
Boxing Day Challenge
Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- + 1 more race
- Sun 10 Jan 2027
- £19
Vale of Clwyd 5K
The route is exactly 5K, multi-terrain in nature, with a nice mix of minor road and trail to make for an interesting run in lovely surroundings, with fantastic views. Chip timing, prizes and medal!
- 5 km multi terrain running
- Sun 7 Feb 2027
- £70
Peddars Way Ultra
A 48-mile route through historical Suffolk and Norfolk, starting from Knettishall Heath Nature reserve and running north to Holme-next-the-Sea on the Norfolk Coast.
- 48 miles trail running + 1923 ft ascent
- Sun 14 Feb 2027
- £12
Ashley Hall 3K
Flat, traffic-free and full of energy, this inclusive 3K loops scenic estate grounds, giving runners of all ages and abilities a fun, professional race-day experience.
- 3 km trail running + 47 m ascent
- Sat 11 Apr
- £22-£24
Stanhope Trail Races | 10K
- 10 km trail running + 1200 ft ascent
- Sat 18 Apr
- £12-£30
Thoresby Park Longhorn Trail Event
- 5K run
- 10K run
- Half marathon
- Fun run
- Sat 9 May
- £60
Westcountry Ultra Flat 50 Miler
- 50 miles trail running + 2128 ft ascent
- Thu 14 May
- £8-£26
Dinton 5K & 10K Summer Series - Race 1
- Fun run
- 5K run
- 10K run
- Thu 14 May
- £17-£24
Stately Trails: Constable Burton
- 5K run
- 10K run
- Short walk
- Sat 23 May
- £42-£44
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent