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.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- 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
- 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
- Sun 6 Dec
- £18-£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 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
- 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
- Sat 7 Feb
- £40
Fox Trail Winter Running Series | Race 4 | Half Marathon
- 13.1 miles trail running
- Sat 14 Feb
- £100
Trails & Tarmac Backyard Ultra - Winter
- 32 miles trail running
- Sun 22 Feb
- £30-£35
The York 5K, 10K and Half Marathon Winter Warmer Run
- 5K run
- 10K run
- Half marathon
- Sun 1 Mar
- £36-£42
St Davids Day Celebration North Wales Pilgrims Half Marathon | Half Marathon
- 21 km trail running
- Sat 7 Mar
- £45-£65
Harrold-Odell Country Park Trail Run
- 10K run
- Trail run
- 50K ultra run
- Sun 8 Mar
- £28-£30
March Hares Final Run - Penistone
- 7 hrs trail running
- Sun 15 Mar
- £25-£35
The Richmond Spring Riverside 10K and Half Marathon Run
- 10K run
- Half marathon
- Sat 11 Apr
- £22-£24
Stanhope Trail Races | 10K
- 10 km trail running + 1200 ft ascent