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
Marked and marshalled 5 km, 10 km and 15 km trail routes around Derwentwater with water stations, an event village and live results online.
Trail-style races through Westonbirt Arboretum offering Half Marathon, 10 km, 5 km and a 1 Mile fun run across September and February events.
Trail running event in Snowdonia from Barmouth to Cadair Idris with multiple marked routes, chip timing, photos and an event village with refreshments.
Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.
A long distance 45 mile walk or run across Wales with an 18 hour time limit. The weekend event includes overnight accommodation, coach transport to the start and refreshments along the route.
A women only muddy obstacle course in Brentwood, Essex covering 5 km with varied obstacles, wash facilities, a finisher medal and an inclusive, non competitive format.
A 23 miles LDWA challenge in Malhamdale from Gargrave Village Hall with checkpoints, refreshments and a nine hour time limit; entries limited to 200.
A mountain race from the foot of Ben Nevis to the summit and back, held in Fort William each first Saturday in September with a 600 runner limit.
A 31.5 km fell race around the Ingleton watershed with 1580 m ascent, crossing Yorkshire, Lancashire and Cumbria and registered as an FRA A-Long event.
A two day ultra following the Cheshire Canal Ring from Northwich, organised by New Era Community Boxing. Entrants must be over 20 and meet a 36 hour cutoff; duo tickets and pre race support are available.
Point to point 50 km ultramarathon linking Ramsbury Brewery and Renegade Brewery with mostly off-road terrain, four aid stations and a nine hour cut off.
A medieval trail running festival at Carron Valley on 5 September, with a half marathon, kids run and a five hour multi-lap siege. The course circles a village hub and finishes under torchlight with live music and costume prizes.
Trail marathon and half marathon in North Hampshire on 05/09/2026, with climbs to 280 m, scenic countryside routes, marked courses, aid stations and chip timing. A Military Cup allows serving units to compete as teams.
A community fell race at Blackshaw Head on 5 September 2026 covering 8.9 km with 274 m ascent. Entry on the day, limited to 150 runners, fee £6; minimum age 18 and mandatory kit requirements apply.
One-day fully waymarked 33 miles sea to summit ultramarathon from Seascale to Scafell Pike with professional medical support and 3mph cut offs.
A 12-hour looped run at Bloor Homes Southern Regional Office in Newbury where participants complete 3.5 km loops to earn a bespoke medal, with prizes for most loops. The event supports New Life Special Care Babies, is limited to 100 entrants and is 1..
Mud, water and obstacles in Fife/Kinross on 5 September 2026 with 10 km, 5 km and a 3 km kids course plus free parking and photos.
An ultra endurance event in Heartwood Forest where participants cover four mile loops within a 12 hour window, solo or in relays up to eight people. Winners are decided by distance and all finishers receive a medal.
Timed lap event at Coate Water Country Park with 3.35 mile laps, a spinning finisher medal, on-course aid and options for attended or virtual participation.
A fell marathon around Caldbeck covering 26.4 miles and about 5875 ft of ascent, the route takes in five Wainwright summits. The event is fully tracked, allows walkers and runners a 12 hour cut off, and includes checkpoints with water and snacks.