Flat Trail runs in UK
Find flat trail 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 5 Sep 2026
- £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.
- Beginner-friendly
- Event village
- Coast
- Age 16 & over
- 10K run
- 10 miler
- Half marathon
- Trail run
- Marathon
- Sat 12 Sep 2026
- £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.
- Families
- Beginner-friendly
- Event village
- Age 12 & over
- Fixed time runs 2
- Ultra run
- Sat 19 Sep 2026
- £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.
- Beginner-friendly
- Event village
- Age 16 & over
- 10K run
- 10 miler
- Half marathon
- Trail run
- Marathon
- + 1 more race
- Sun 4 Oct 2026
- £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.
- Beginner-friendly
- Event village
- Urban
- Age 17 & over
- 10K run
- Half marathon
- Marathon
- Sun 18 Oct 2026
- £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.
- Beginner-friendly
- Enter online
- GPS tracking
- Flat
- Event village
- Rural
- Age 18 & over
- 50 km trail running + 1450 m ascent
- Sat 24 Oct 2026
- £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!
- Recycling
- Beginner-friendly
- Plastic bottle free
- Event village
- Rural
- Sustainability policy
- Age 15 & over
- 10K run
- Half marathon
- Sun 25 Oct 2026
- £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!
- Recycling
- Beginner-friendly
- Plastic bottle free
- Event village
- Sustainability policy
- Age 15 & over
- 10K run
- Half marathon
- Sun 25 Oct 2026
- £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.
- Beginner-friendly
- Enter online
- Flat
- Event village
- Coast
- Public transport links
- Age 18 & over
- 7 hrs trail running + 47 ft ascent
- Sun 25 Oct 2026
- £35
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.
- Beginner-friendly
- Chip timing
- Enter online
- Flat
- Event village
- Rural
- Age 18 & over
- 30 miles trail running + 188 ft ascent
- Sat 31 Oct 2026
- £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.
- Families
- Beginner-friendly
- Plastic bottle free
- Fancy dress
- Event village
- Urban
- All ages
- 10K run
- Half marathon
- Marathon
- Ultra run
- Trail run
- + 2 more races
- Sun 8 Nov 2026
- £20-£37
Remembrance Day 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.
- Families
- Beginner-friendly
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 6 Dec 2026
- £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!
- Families
- Beginner-friendly
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 7 Feb 2026
Fox Trail Winter Running Series | Race 4 | Half Marathon
- 13.1 miles trail running
- Sun 22 Feb 2026
The York 5K, 10K and Half Marathon Winter Warmer Run
- 5K run
- 10K run
- Half marathon
- Sun 15 Mar 2026
The Richmond Spring Riverside 10K and Half Marathon Run
- 10K run
- Half marathon
- Sat 11 Apr 2026
Stanhope Trail Races | 10K
- 10 km trail running + 1200 ft ascent