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Trail Running Calendar United Kingdom 2026-2027

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Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2377 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
Trail running across the South Downs from Lancing Manor Leisure Centre with marathon, half marathon and 5 mile options; proceeds support Ferring Country Centre and local charities.
A long running fell race by Clayton-le-Moors Harriers featuring a 9.6 km course with 338 m climb, junior categories, and membership with the Fell Runners Association.
A one-day trail event in Ilmington offering six distances from 10K to 100KM plus a new two person 100KM relay, with feed stations, baggage support, GPX maps and trackers on the longer routes.
Rapid Relays at Culden Faw Estate on 2 May 2027 offers 4 km loop relay racing for solo runners, pairs and teams amid woodland and Chilterns views.
A team stage trail relay covering 23 miles in four legs along the Roach Valley Way, navigated by maps and way markers with proceeds to Havens Hospices.
A 5k obstacle event at The Knavesmire, York combining grass and trail sections with muddy obstacles; participants must be 13+, minimum fundraising £50.
Half marathon and 10K through Whinlatter Forest on 2 May 2027, with live chip timing, Canicross friendly entries and scenic views across Keswick and Skiddaw.
Trail running from Skelton Lake Services into Rothwell Country Park with distances from 5 miles to marathon, aid stations about every three miles and an eco focus.
Guided trail run at Box Hill covering 12.5 miles with about 1000 m of ascent across woodland and technical climbs, led at a steady group pace by an experienced guide.
A trail race following the Windsor Hill railway path through woods, tunnels and viaducts, finishing in Shepton Mallet. Routes and walking options are provided, with a lunchtime boxty feast in the market place.
10 hour, 10 lap endurance event at Denbies Wine Estate on 2 May 2027 with roughly 3, 4 and 5 mile loops, finishers shirt, medal, feed, photos and live tracking.
A hilly trail of 15 miles around Balmoral Castle with river and forest sections, 120 m ascent, electronic timing and two water stations.
Trail run through bluebell woods at Manswood offering Half Marathon, 10K and 5K, with aid stations, medals and canicross options.
Trail races of 5, 10 and 15 miles through Moors Valley Country Park in Dorset on 2 May 2027, with chip timing, feed stations and on-site parking.
Horwich Triathlon on 02 May 2027 in Horwich offers pool swims, road bike loops around Rivington Pike, road runs and 5K and 8.6K trail options.
An 8 km woodland trail run in Fareham on 2 May 2027 at Henry Cort Community College, limited to 100 runners and including a finisher's medal.
Two self-navigated trail races near Marlborough: approx 33-mile and 20-mile routes across the North Wessex Downs with mandatory kit, aid stations and finish facilities.
Annual spring trail races in Harewood Forest near Wherwell with 10 km, 5 km and canicross on marked, undulating forest and field routes.
A flagged fell race of about 11 km across Erringden Moor and Stoodley Pike with moorland views, FRA licensing, mandatory kit rules and limited parking at Mytholmroyd.
Trail run around Winchester offering 14 mile, 19 mile, marathon and 50K distances on marked, chip timed courses with aid stations and parking options.
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