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
Alton Trail Run on 12 September 2026 features a mainly off‑road 10 km trail through Dimmingsdale plus a 2 mile fun run, with medals for all finishers.
A 13 km marked trail race around Crosby Garrett with 400 m of ascent and views across the Eden and Lune valleys. Junior races run for ages U7 to U17 with on the day entry and separate junior fee.
A 50-mile trail run in the Lincolnshire Wolds on 12 September 2026, featuring 4500 ft of elevation, four aid stations, an 18-hour limit and limited entries.
A scenic trail 10 km at Cleveland Lakes Nature Reserve organised by Cotswold Lakes Trust, with flat tree lined paths and water views; entrants must be 15 or older.
Autumn Wolf is a two day trail event in Warwickshire on 12 and 13 September 2026, featuring adult 10K and 5K routes plus junior 6K and 3K races across woodland, fields, streams and mud.
Phoenix Running Bedfordshire's Pick n Mix on 12 September 2026 uses a 5.3 km lapped course at Mowsbury Park. Runners choose distances from 5 km up to ultra with a flexible one hour start window and a seven hour time limit.
A half marathon trail race across the Clwydian Hills to Moel Famau at sunset, with aid stations, timing checkpoints and a 120 runner limit.
A countryside challenge from Wistanstow offering 12, 18 and 26 mile routes through Clun and Bishop's Castle with checkpoints, maps and a finish meal.
A 100 mile ultramarathon along the Cambrian Way from Rhayader, Wales, on 12 September 2026, with live GPS tracking, on-route support and a finisher medal.
A guided loop trail run around Lewes of about 18 miles with over 2600 ft of ascent, passing Mount Caburn, Firle Beacon and Kingston Ridge.
A five-leg team relay around the Denis Rankin Round starting and finishing at Donard Park, Newcastle on 12 September 2026.
An off-road marathon along Northern Ireland's North Coast, the Basalt Breaks Giants Causeway Coast Marathon runs near the iconic Giant's Causeway and holds 1 ITRA point.
A 10 mile trail run on the North York Moors following part of the Lykewake Walk, visiting Lilla Howe and Louven Howe with navigation elements and a three hour time limit.
A trail running event on 13th September 2026 in Seale, based at Myrtle’s Courtyard, with marathon and half marathon routes along the Pilgrims Way and North Downs Way that raise funds for local charities.
A wine-themed running event at Denbies Wine Estate near Dorking offering a half marathon and 10 km through vineyards with wine stops, food and live entertainment.
An off-road full marathon and a 14.8 mile half marathon held each September, both with substantial ascent, mandatory FRA kit and stocked feed stations; entries often sell out and chip timing is used with live updates.
A multi-terrain trail race from Rye Sports Centre in East Sussex offering 30k (slightly over 30 km) and 15k routes through the High Weald AONB. The course links historic churches and passes woodlands, orchards, country lanes and coastal views.
On 13 September 2026 the Alf Shrubb Memorial returns to Slinfold with chip timed 10k and 5k trail races plus children’s races. The event finishes at Slinfold Cricket Club, supports local causes and awards a replica Alf Shrubb medal to finishers.
Bradley Fell Race in Bradley Village near Skipton features a 3.50 mile fell course with about 274 meters of climb, age categories from Under 9 to Seniors, and registration plus parking at the U9 field.
Scenic Peak District trail runs from Bakewell Showground featuring Half Marathon, 15k and 9.1k distances with chip timing and finisher medals.