Trail Running Calendar United Kingdom 2025-2026

The Snowdonia Mountain Skills Weekend 2025 is a trail running event held in the Nantlle Valley within Snowdonia National Park, UK. Hosted by Running Adventures, the weekend focuses on advanced trail runners aiming to enhance their mountain running skills and safety knowledge. Participants experience..

Thetford Back Yard Ultra is a competitive endurance running event held at High Lodge in Thetford Forest, Suffolk. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner completes a loop within the one-hour time limit. The course is a wide, flat, and well-signed r..

Bruce's Crown Race is a 46-mile team endurance event held in Galloway, Scotland, starting and finishing at Caldons near Glentrool, Newton Stewart. Teams of two to four navigate over three hill ranges—the Minnigaff Hills, Rhinns of Kells and the Awful Hand—climbing more than 4,000 metres. The route o..

Heart of Granite is a classic circular mountain race in Galloway, Scotland, covering 32 km (20 miles) with 1850 m of ascent. The route starts at Caldons Old Campsite in Bargrennan, Glen Trool, Newton Stewart, circumnavigating the hills via Lamachan, the ridge to Curleywee, the Axe Head checkpoint on..

Thames Path Challenge, part of Ultra Challenge Series, runs along the Thames Tow Path from Fulham's Bishops Park in west London to Henley-on-Thames. Distances include a full 100 km route (also a 2‑day daylight option), a 72 km 3/4, 50 km halves, and 28/22 km quarters, plus a 25 km Thames Bridges Tre..

The Leeds Country Way In A Day is a challenging 105-kilometre ultra trail race that circumnavigates the city of Leeds, primarily through rural footpaths, bridleways, and minor lanes. The route offers scenic views of West and North Yorkshire countryside while staying within seven miles of Leeds City..

Helvellyn and the Dodds is a 24 km (14.9 miles) fell race organized by Keswick Athletic Club, starting from Fornside Farm. The route climbs 1337 m (4386 ft) and follows an out-and-back course across the Helvellyn range. After a short uphill road section, runners ascend through open fell land to a st..

Nine Edges is a 20-mile off-road challenge in the Peak District, running from Fairholmes to the Robin Hood Inn near Birchen Edge. The route climbs about 900 metres, crossing high moorland and gritstone edges, and can be tackled by running, walking, or climbing. Checkpoints along the way provide wate..

The Suffolk Coastal Path 50K is a scenic point-to-point ultra marathon trail run along the Suffolk coast, starting in Lowestoft and finishing in Aldeburgh. Covering 50 kilometers with a modest elevation gain of 120m+, the course passes through picturesque coastal towns including Southwold and Dunwic..

Bewl Water Autumn is a scenic bi-annual race series held near the Bewl Water Visitor Centre in Lamberhurst, Kent. The event features four distances: 10km, half marathon, marathon, and a 50km ultra, all following routes around the reservoir. The courses combine undulating rural wooded trails and quie..

Brighton 50/50 September 2025, organized by RunThrough UK, offers three trail distances—50 miles, 50k, and 23k—starting and finishing on Brighton Beach at Black Rock/Madeira Drive. The 50-mile route weaves from the beach through the South Downs to Beachy Head and back along the coastline, featuring..

The Sourton Tors Fell Race is a traditional off-road fell running event held near Sourton Village Hall on Dartmoor, close to Okehampton. The senior race covers approximately 5 kilometers with a 276-meter ascent, featuring a challenging moorland course that includes compulsory checkpoints such as the..

THE LAP - Windermere Ultra Anticlockwise is a fully way-marked 47-mile trail ultra circumnavigating England's largest lake, Windermere, in the Lake District. The route runs anticlockwise with the lake on your left, starting near Low Cunsey Farm, Ambleside. Open to runners and walkers, it features ge..

DalesRunner 40 is the dramatic finale of the DR series, set in Semerwater, Raydale, North Yorkshire. The roughly 42 km (26.2 miles) course rises over 3,000 feet of ascent on hard-packed trails with a few boggy sections, demanding strategy, stamina and steady navigation. The route starts with a long..

Merrick Hill Race is an 8-mile hill race in the Galloway forest region of southwest Scotland, set in the Awful Hand range on the western edge of the Galloway Hills. The route climbs about 2,900 feet to the Merrick summit (the highest mountain south of Ben Lomond at 2,765 ft) via the Fell of Eschonca..

The River Ayr Way Ultra Marathon is a 40-mile race held in Ayrshire, Scotland, showcasing some of the region's stunning scenery. Starting at Glenbuck Loch near Muirkirk and finishing at Riverside Stadium in Ayr, the course is mostly off-road with rural paths, some quiet road sections, and a tarmac f..

Cronkley Fell Race, a regular Durham Fell Runners event, takes place in Upper Teesdale around Holwick and Middleton-in-Teesdale, County Durham. The race covers about 10.5 miles (roughly 17 km) with around 1,800 feet of ascent, on an out-and-back course that runs parallel to the River Tees. The route..

The Turpin Challenge 2025 is a popular 6-hour running event held at York's Knavesmire on Saturday, 13th September. Participants run laps of approximately 4.37 miles on a mixed terrain course of grass and path, closed to traffic. Runners can complete as many laps as they wish within the time limit, f..

TrailFest - Cannock Chase Forest is a running event held at Cannock Chase Forest in Staffordshire (WS15 2UA). The day offers four distances: 10K, half marathon, marathon, and 50K, designed for all abilities and paces. Runners experience a wooded, hilly course starting at the rifle range cadet hut, t..

The c2c Essex Ultra 2025 is a charity ultramarathon along the Essex Riviera, held in September. Contestants can choose 50 miles from Upminster or 30 miles from Tilbury, finishing at Thorpe Bay. The course follows the Thames eastward, using the London Loop and England Coast Path, with mainly tarmac u..