Trail Marathons in UK
Find trail marathons 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 27 - Sun 28 Jun 2026
- £80-£130
- 2 charities
Endure24 | Leeds
The north's favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
- Recycling
- Dogs allowed at venue
- Entertainment
- Music
- Ballot
- Chip timing
- Enter online
- Undulating
- Event village
- Event expo
- Park
- Free venue entry
- Sustainability policy
- Age 15 & over
- 24 hrs multi terrain running + 102 m ascent
- Sun 5 Jul 2026
- £33-£38
Summer Ready Run
Come and join the fun in a 4 or 6-hour running challenge at Ferry Meadows! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
- Newcomers
- Event village
- Park
- Age 18 & over
- Multi-terrain run 2
- Sat 11 Jul 2026
- £40-£42
Sithee at Slawit Again | Marathon
Starting and finishing in the village of Slaithwaite, pronounced 'Slawit' to the locals, this is perhaps the most undulating canal by a long chalk. Bespoke medal, drinks and goodies for all.
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 26.2 miles trail running + 834 ft ascent
- Sun 12 Jul 2026
- £49.95
Rasselbock Marathon
Welcome to the stunning Sherwood Pines for an incredible day of running in the forest - whether it's your first event, you're going for a PB or if you just want a day in the forest with friends!
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 26.2 miles trail running + 1384 ft ascent
- Sun 19 Jul 2026
- £43-£50
Revesby Running Festival | Challenge The Estate
A new and totally unique running challenge where you aim to run 10 x 5K laps which get faster the more you complete. How far can you go?
- Enter online
- PB
- Traffic free
- Age 18 & over
- 1 day trail running + 45 m ascent
- Sun 19 Jul 2026
- £52-£65
Belvoir Castle | Marathon
A jewel in the castle crown! Get active in the beautiful castle grounds in a marathon run then celebrate with fellow athletes, friends and family in the fantastic festival village afterwards.
- Chip timing
- Enter online
- Age 18 & over
- 42.2 km trail running
- Thu 23 Jul - Sat 1 Aug 2026
- £300-£350
Great Barrow Challenge | 10 events in 10 days
10 running events in 10 days in the beautiful Suffolk countryside. Run 5K, 10K, Half Marathon, Marathon or an Ultra every day for 10 days in this unique endurance challenge!
- Enter online
- Undulating
- Rural
- Age 18 & over
- 10 days trail running
- Sat 15 Aug 2026
- £38-£42
Sir Titus Summer Trot | Marathon
Enjoy a trip up the Leeds and Liverpool Canal this summer over a range of distances, all along the flat and even towpath. This event is perfect for runners of all abilities.
- Chip timing
- Enter online
- Flat
- Age 18 & over
- 26.2 miles trail running + 506 ft ascent
- Sun 30 Aug 2026
- £17-£29
GNR & Time Turner | Marathon
Whether you're looking to get some miles under your belt before The Great North Run or you just fancy a run along the beautiful River Wear, then this is the event for you!
- Enter online
- Age 18 & over
- 26.2 miles trail running
- Sat 12 Sep 2026
- £53-£55
Bewl Water Autumn | Marathon
Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.
- Chip timing
- Enter online
- Hilly
- Age 18-80
- 26.5 miles trail running + 1420 ft ascent
- Sun 6 Dec 2026
- £17-£29
The Snow Globe Gallop - North | Marathon
Come and join in for the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in!
- Enter online
- Age 18 & over
- 26.2 miles trail running
- Sat 25 Oct
EnduranceLife - North York Moors | Marathon
- 26.5 miles trail running + 3209 ft ascent
- Sat 25 Oct
Beachy Head Marathon | Marathon
- 26.2 miles trail running + 3875 ft ascent
- Sun 26 Oct
Grand Canal Canter | Marathon
- 26.2 miles trail running + 180 ft ascent
- Sun 26 Oct
Summers Over Tour of the Island | Marathon
- 26.2 miles trail running
- Sat 8 Nov
East Devon 8 Trigs - Half/Marathon/Ultra | 6 Trigs Marathon
- 42 km trail running
- Sat 8 Nov
EnduranceLife - Gower | Marathon
- 27.4 miles trail running + 3425 ft ascent
- Sat 8 Nov
Hardmoors 26.2 Goathland Trail Races | Marathon
- 27 miles trail running + 3205 ft ascent
- Sun 9 Nov
Remembrance Day Marathon & Half Marathon | Marathon
- 26.2 miles trail running
- Sun 23 Nov
Riverside Marathon & Half Marathon | Marathon
- 26.2 miles trail running
- Sat 29 Nov
Machen Trail Races: Half Marathon and Marathon | Marathon
- 26 miles trail running + 4760 ft ascent
- Sat 6 Dec
EnduranceLife - Dorset | Marathon
- 27 miles trail running + 4692 ft ascent