Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2177 exciting trail runs across the country. Find your next trail run in United Kingdom below and join the trail community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
September 2026
Trail running in the Surrey Hills with 10k, 21k and 42k routes on chip timed, well marked courses, aid stations and finisher medals. Starts and finishes at Shere Recreation Ground with free parking and an event village.
Tackle a classic Lake District fell run around Helvellyn and the Dodds, a rugged 18.5 km loop with 1450 m of climbing and stunning mountain views. Open to adults with pre entry or day entry for a proper fell challenge.
Ventnor Horseshoe on Sat 12 Sep 2026 offers a scenic but testing 12 km fell course around Ventnor with 443 m of climb. Part of the Isle of Wight Fell Series, it is perfect for runners seeking a tough coastal hill challenge.
Start the IOW Fell Running Series with St Boniface Fell in Ventnor on Sat 12 Sep 2026, a punchy 3.9 km race with 235 m of climbing across scenic Isle of Wight terrain. Pre entry or on the day entries welcome.
A 36 km AL fell race from Hesket Newmarket around the Northern Fells with summit checkpoints, mandatory navigational kit and river crossings.
Run as far as you like at Alice in Runderland, a timed multi lap event at Parc Taf Bargoed with flexible start times and on course support. Choose from one lap up to marathon and earn a bespoke finisher medal.
A 10.5-mile fell race in Upper Teesdale with about 1800 ft ascent, starting at Low Way Farm and including a free chip butty for finishers.
Traditional off-road fell race on Dartmoor just under 5 km with 276 m ascent, licensed by the Fell Runners Association, with junior 2 km and 3 km races.
Trail races at Lulworth Cove on 12 September 2026 offering 10K, 27K and 50K ultra routes from Daggers Gate, held under UK Athletics Rules.
A charity ultramarathon along the Thames from Upminster to Southend offering 10, 30 and 50 mile routes on mainly tarmac and hard trails. Organised by c2c to raise funds for Prostate Cancer UK with checkpoints and on-course medical support.
A 22.4 mile circular LDWA challenge around Loch Venachar with 1020 m ascent near Callander on 12 September 2026.
A running festival at Crathes Castle on 12 September 2026 featuring a half marathon, 5 km and 1.5 km children’s race across estate grounds and nearby country roads.
A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.
An outdoor obstacle course event in Gisburn, Ribble Valley Lancashire on 12 September 2026 offering 12 km and 6 km military style courses plus an elite 12 km race.
A 10 km obstacle course near Banchory on 12 September 2026 featuring hill climbs, water obstacles, mud and island crossings; charity entry codes are available.
An 8 km mountain race over the three peaks of the Eifl near Pwllheli with about 490 m of ascent. Main race for over 16s with entry on the day £10; junior races are held with a £3 entry.
A partly marked fell race from the Raven Inn, covering 11.25 km with 445 m ascent. Day-entry only at £5, minimum age over 18, and participants should allow about 15 minutes to walk to the start.
A long, non-commercial fell race in the Black Mountains with a 27.4 km route and 1586 m of ascent. The event uses five checkpoints, requires full navigational kit, and operates on open access land with no on-course water provided.
An 81 mile ultra on the John Bunyan Trail in Bedfordshire, run as a single loop to be completed within 24 hours with 1,219 metres of ascent and seven aid stations.