Trail 5K runs in UK
Find trail 5k 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 29 Mar
- £17-£25
Fraggle Run | North | 5K
Who doesn't know and love The Fraggles! Come and join in the Fraggle 5K Run and earn a medal based on the adorable little creatures!
- 5 km trail running
- Sun 29 Mar
- £33-£38
Zig Zag Challenge | 4 Hour
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- 4 hrs trail running
- Thu 2 Apr
- £23-£27
Eggcellent Easter Orange Run | 5K
Come and join the day of running and aim to complete a 5K at your own pace on a scenic course then receive a fantastic Easter egg themed medal and goody bag at the finish!
- 5 km trail running
- Fri 3 Apr
- £33-£38
Easter Challenge
Run as far as you can during the 6-hour event at Suffolk Running Centre on a multi-terrain loop. Run, rest, then head out for more.
- 6 hrs multi terrain running
- Fri 3 Apr
- £23-£27
Eggcellent Easter Pink Run | 5K
The Eggcellent Easter Pink Run is the second event in the five-day series where you can earn the fantastic easter egg medal in pink!
- 5 km trail running
- Sat 4 Apr
- £26-£28
Spring Run - Hull | 5K
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.
- 5 km trail running + 143 ft ascent
- Sat 4 Apr
- £23-£27
Eggcellent Easter Green Run | 5K
The Eggcellent Easter Green Run is the third event in the five-day series where you can earn the fantastic easter egg medal in green!
- 5 km trail running
- Sun 5 Apr
- £23-£27
Eggcellent Easter Purple Run | 5K
The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!
- 5 km trail running
- Mon 6 Apr
- £23-£27
Eggcellent Easter Blue Run | 5K
The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!
- 5 km trail running
- Sat 11 Apr
- £23-£27
Love it or Hate it Run | 5K
Whether you are in the love it or hate it camp, I think we can all agree that the 5K medal is super cute and definitely one which you need to add to your collection!
- 5 km trail running
- Sun 12 Apr
- £27-£29
Haughley Festival of Running | 5K
Join in at the beautiful Haughley Park for the Haughley Festival of Running and join like-minded runners tackling a variety of distances on the day within the 4 or 6-hour time limit.
- 5 km trail running + 230 ft ascent
- Sun 12 Apr
- £19-£30
The Dashing Dog Charity Run | North | 5K
Come and join the Dashing Dog Charity run along the picturesque River Wear. Not only is the scenery beautiful but you will earn one of these awesome medals for your 5K!
- 5 km trail running
- Sat 18 Apr
- £23-£27
The London Run | 5K
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city? Come and enjoy a 5K instead!
- 5 km trail running
- Sun 19 Apr
- £27-£29
The Roman Ramble | 5K
A relaxed, lap-based 5K trail run through picturesque countryside, giving you complete control over your distance — perfect for beginners, returning runners or those chasing longer goals.
- 5 km trail running
- Sun 26 Apr
- £37.50-£39.50
London Calling
Missed out on the London Marathon Ballot? No probem! 'London Calling' is the special 'Not London' event!
- 7 hrs multi terrain running + 33 ft ascent
- Sun 26 Apr
- £22-£27
The Nearly But Not Quite London Marathon | Wales | 5K
Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this 5K event instead and earn a fantastic London-themed medal!
- 5 km trail running
- Wed 29 Apr
- £22
Piglove by the River 10K & 5K | 5K
An evening 5K ending at a lovely beer garden in the heart of Citu’s Climate Innovation District - grab a picnic bench, a pint of craft beer and admire the views. The perfect spot for a sunny evening!
- 5 km trail running
- Mon 4 May
- £20-£27
Bank Holiday Madness May | 5K
Come and join the day of running and aim to complete a 5K at your own pace on a scenic course then receive a fantastic medal and goody bag at the finish!
- 5 km trail running
- Thu 7 May
- £10-£12
Kirkstall Rock up n' Run | 5K
Come and join in at Kirkstall for this brilliant pop-up Summer Series. Jumble medal, beer or soft drink and sweetie bag for all runners.
- 5 km trail running + 56 ft ascent
- Sat 9 May
- £20
Something Wild Festival | 5K Run
A beautiful 5K trail race on the South West Coast Path for runners (and walkers) of all abilities with chip timing and eco medals for all, as part of the festival weekend.
- 5 km trail running
- Sun 10 May
- £23-£27
The Spring Lucky Dip Run | 5K
Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
- 5 km trail running
- Thu 14 May
- £10-£12
Rodley - Rock up n' Run | 5K
Come and join in at Rodley for this brilliant pop-up Summer Series 5K. Jumble medal, beer or soft drink and sweetie bag for all runners.
- 5 km trail running
- Fri 15 - Sun 17 May
- £30
- Early bird
Keswick Mountain Festival
The UK's top outdoor sports festival! Incredible entertainment, sports events, speakers, live music, activities, brand expo, bars, food, drink and much more.
- 5K run 2
- 10K run
- Half marathon
- 50K ultra run
- Fell run
- + 14 more races
- Sat 16 May
- £9-£28
Roadford Lake Trail Races
By popular demand, a selection of trail races has been added to the multi-sports weekend at the scenic Roadford Lake, with an inclusive and encouraging atmosphere, and lakeside camping.
- Fun run 2
- 5K run
- CaniCross 2
- 10K run
- Half marathon
- Sat 16 May
- £26-£28
Lincolnshire Run | 5K
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.
- 5 km trail running + 33 ft ascent