Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2376 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.
May 2027
A closed-road 21.1km half marathon through Hackney with pacer support, live music and a finish festival at Hackney Marshes.
Trail loop at Brandon Country Park with a 5.3 km lap, timed four or six hour formats, lap aid station, chargeable parking and a bespoke finisher medal option.
A 10k trail run at Symonds Yat with riverside views and a notable final one kilometre climb. The mostly off road course includes long gravel firetracks and on site coffee and hot food.
A 5 km muddy obstacle course at Birkenhead Park featuring climbing, crawling and sliding. Organised by Cancer Research UK, the event uses staggered wave starts and requires participants to be 13 or older.
Mid-May fell race in Youlgrave, Derbyshire with a 5.8 miles course and 876 ft climb over trails, fields and a swamp, entry £6 and limited places.
Muddy 5 km and 10 km runs at Castle Fraser near Inverurie on 16 May 2027 for adults and supervised teenagers, with event T shirt, medal, free parking and photos.
Canal-side running in Saltaire with 5K, 10K and half marathon options, on-the-day entries and finisher rewards.
Looped trail event at Wiston Estate with a marked 10K circuit and distances from 10K to 100K, plus aid stations, a dedicated 100K area and on-site camping.
A scenic single lap 10K through Yarrow Valley Country Park amid spring bluebells, with river crossings, a finisher medal and prizes on 16/05/2027 at The Yarrow Bridge Pub.
A tenth-anniversary half marathon and a new 10k in Chislehurst that explores local green spaces while raising funds for The Maypole Project.
A long established trail event at Cammas Hall Farm offering 10 mile and 5 mile routes across farm tracks, woodland and short country roads with marshals and chip timing.
An 8 hour Backyard race at Eastnor Castle Deer Park on a 4.167 mile loop, with solo and continuous relay options plus on site camping, catering and event medals.
A coastal relay event on 16 May 2027 based at The Valiant Sailor and Lilly Roo's in Capel Le Ferne, CT14 0AT, organised as a team relay along the coast.
An ultra marathon across Dorset offering 75 km, 50 km and an 18 mile Purbeck Traverse on marked trails with mandatory GPX files and varied coastal and downland scenery.
A community 1 mile fun run in Cookridge, Leeds on 16 May 2027 in memory of Gareth Dunn, raising funds for Cancer Research UK and local charities.
A 60km circular trail ultra at Derwent Reservoir, County Durham, passing Slaley Forest, Waskerley Way and moorland, with feed stations, mandatory kit and live chip timing.
Mud-focused trail run at Eastnor Castle offering 3km, 6km and 10km routes with natural obstacles, muddy troughs, on-site camping and basic facilities.
A one lap trail race of approximately 10 km around Quarry Bank Mill grounds with mixed surfaces, finisher medals, prize categories and a charity donation to Quarry Bank Mill.
A classic South Pennines fell race hosted by Todmorden Harriers, covering 5.6 km with 366 m ascent and rough sections including a bog and a trig point.