Trail Running Calendar United Kingdom 2025-2026

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..

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..

The Great Westmorland Trail Race is a scenic running event held in the picturesque village of Crosby Garrett, near Kirkby Stephen, Cumbria. Participants can enjoy a marked 13km route that traverses rolling fell land, offering stunning views of the Eden and Lune Valleys. The event includes junior rac..

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..

Two hill races form part of The Ingram Show & Sports Traditional Country Fayre in Ingram Valley, near Alnwick, Northumberland (NE66 4LT). The event features two challenging courses on the same day: a 3-mile circuit up and over East Hill and a historic 1.5-mile course up and over Brough Law. Both rou..

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..

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..

Ultra X England is a multi-day ultramarathon and trail running event held in the scenic Peak District National Park, based in the village of Edale. It offers six race distances ranging from 12km to 110km, including a two-day 110km option. The event features well-marked courses with medical and thera..

Night Race Sutton Bank Sizzler is a circular ~7-mile trail race from Sutton Bank Visitor Centre, Thirsk, with ~344m ascent. The route is glow-stick marked and marshalled for running in the dark; headtorches are compulsory and weather can be exposed. It’s cupless, with mandatory kit including a water..

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..

Semerwater Stomp is a 16.4 km (10.2 mile) trail race in Semerwater, Raydale, North Yorkshire, and the finale of DalesRunner’s short course series. The route starts with DR40 runners, offering Semerwater views, then heads to Stalling Busk, crosses a ford to Marsett, and climbs Wether Fell. After a sh..

The Letham Glen Centenary 5K Trail Race, held in the scenic surroundings of Letham Glen, Leven, Fife, is a 5-kilometer trail run featuring undulating routes through woodland paths. This event offers a picturesque and challenging course for runners, with all finishers receiving a special commemorativ..

The Dunstable Downs Challenge Half Marathon is a scenic trail running event organized by Dunstable Road Runners, held at Creasey Park Football Centre in Dunstable. The 13.1-mile course takes runners across the picturesque Dunstable Downs and surrounding rural areas, primarily on public footpaths and..

Tom’s Cairn 10k & 5k Trail Races take place in Finzean, Deeside, featuring the flagship 10.1 km route that starts and finishes at Birse and Feughside Parish Church and climbs 239 m to Tom’s Cairn, mostly on Finzean Estate trails with some road sections. The 5 km route stays around Finzean Woods on a..

Barney to Beach is an 8-mile community running and walking event in North Devon, from Barnstaple Pannier Market to Crow Point. The route largely follows flat sections along the Tarka Trail, offering expansive coastal views and a finish through dunes onto the beach. A 1-mile children’s race is availa..

The Run London Epping Forest Trail 10k is a popular running event scheduled for September 14, 2025, in the scenic Epping Forest, Chingford. Participants will complete a 10k course consisting of two laps through the forest, known for its rich biodiversity and beautiful landscapes. The race is designe..

The ACORN Sandhead 10 is a scenic ten-mile multi-terrain race held in southwest Scotland, running from Sandhead to Stranraer along the last section of the Mull of Galloway Trail. The course features coastal paths with stunning views over Luce Bay, dunes, quiet back roads, farmland, woodland, and fin..

The NOTFAST Ponton Plod is a charity running and walking event based at the Great Ponton Village Centre, near Grantham in Lincolnshire. Four routes start from Great Ponton: 10 km, 12 miles, 17 miles, and 26.4 miles, using footpaths, bridleways and minor roads through picturesque villages toward the..

The Darkwood Demon is a 6-mile trail race held in the scenic Colne Valley, Huddersfield, West Yorkshire. Organized by Slaithwaite Striders, the course features diverse terrain including towpaths, bridleways, moorland, bogs, woodland, and some road sections, with a challenging climb up Slaithwaite Mo..