Trail 5K runs in UK
Find trail 5k runs in UK in 2025/2026 - 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.
- Sat 28 Mar 2026
- £37.50-£39.50
Intergalactic
Run your way across the galaxy on a fun, flexible lapped course where you choose the distance, set the pace and earn an out-of-this-world finisher’s medal in the stunning Hurn Forest.
- Beginner-friendly
- Enter online
- Event village
- Age 18 & over
- 7 hrs trail running + 56 ft ascent
- Sat 28 Mar 2026
- £23-£27
Milkshake Meander | 5K
"My milkshake brings all the boys to the yard"...not quite sure where we're going with this but come and join Saturn Running for our Milkshake Meander event!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sun 29 Mar 2026
- £17-£25
Fraggle Run - North | 5K
Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!!
- Enter online
- Age 12 & over
- 5 km trail running
- Sun 29 Mar 2026
- £32-£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.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs trail running + 299 ft ascent
- Thu 2 Apr 2026
- £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!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Fri 3 Apr 2026
- £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!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sat 4 Apr 2026
- £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!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sun 5 Apr 2026
- £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!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Mon 6 Apr 2026
- £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!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sat 11 Apr 2026
- £23-£27
Love it or Hate it Run | 5K
Come and get involved in this Love it or Hate it Run!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sun 12 Apr 2026
- £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.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 5 km trail running + 230 ft ascent
- Sun 12 Apr 2026
- £19-£30
The Dashing Dog Charity Run - North | 5K
Come and join in for the Dashing Dog Charity run along the picturesque River Wear, not only is the scenery beautiful and you will earn one of the awesome medals...
- Enter online
- Age 12 & over
- 5 km trail running
- Fri 17 Apr 2026
- £20-£27
Midweek Medal Madness Run | 5K
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sat 18 Apr 2026
- £23-£27
The London Run | 5K
Not make it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sun 19 Apr 2026
- £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.
- Enter online
- Age 14 & over
- 5 km trail running
- Sun 26 Apr 2026
- £37.50-£39.50
London Calling
Missed out on the London Marathon Ballot? No probem! 'London Calling' is the special 'Not London' event!
- Beginner-friendly
- Enter online
- Traffic free
- Event village
- Urban
- Age 18 & over
- 7 hrs multi terrain running + 33 ft ascent
- Sun 26 Apr 2026
- £22-£27
The Nearly But Not Quite London Marathon - Wales | 5K
Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Wed 29 Apr 2026
- £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!
- Enter online
- Flat
- Age 18 & over
- 5 km trail running + 193 m ascent
- Fri 1 May 2026
- £20-£27
Midweek Chasing Numbers May | 5K
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Mon 4 May 2026
- £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!
- Enter online
- Flat
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Thu 7 May 2026
- £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.
- Chip timing
- Enter online
- Age 16 & over
- 5 km trail running + 56 ft ascent
- Sun 10 May 2026
- £23-£27
The Spring Lucky Dip Run | 5K
Come and join in for 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!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Thu 14 May 2026
- £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.
- Enter online
- Age 16 & over
- 5 km trail running + 0 ft ascent
- Fri 15 - Sun 17 May 2026
Keswick Mountain Festival
- 5K run 2
- 10K run
- Half marathon
- 50K ultra run
- Fell run
- + 12 more races
- Sat 16 May 2026
- £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.
- Families
- Trees not tees
- Beginner-friendly
- Dogs allowed at venue
- Event village
- Rural
- Sustainability policy
- Age 3 & over
- Fun run 2
- 5K run
- CaniCross 2
- 10K run
- Half marathon