Trail Running calendar near Gloucester 2025-2026

The North Downs Way 100 is a 103-mile continuous trail race along the North Downs Way, from Farnham in Surrey to Ashford in Kent. It aims to finish in under 30 hours, with an 11,000-foot total ascent and a 30-hour cut-off. The course follows the North Downs Way with two deviations around the 50-mile..

The MTC Windsor Ultra is a point-to-point ultramarathon of 47 miles held on 8 August 2026. The route has a total ascent of 155 m and total descent of 182 m. Entry for an individual is listed at £90. All finishers receive a bespoke Windsor Ultra medal and one of a bespoke technical t-shirt, mug or h..

Ramsbury Gold 10km is a multi-terrain running event held near Ramsbury in Wiltshire. The race starts and finishes at Ramsbury Brewery, Stockclose Farm, Aldbourne, within the Ramsbury Estate countryside. Participants can choose the standard 10km or a Canicross 10km option, both on a scenic Wiltshire..

The Foxton Hound Ultra is an ultra-distance trail event around Market Harborough. It offers two distances: 50k 100k The race is licensed by the TRA and held under UKA rules. Race headquarters, start and finish are at Winwick Hall, Winwick, Northamptonshire. Prizes are awarded to the top three mal..

Two Tunnels Races in Bath, UK, organized by Relish The Great Outdoors, offer a unique set of events across a city-centre route that includes Bath’s Devonshire Tunnel (408m) and Combe Down Tunnel (1672m). Distances range from 500m Colourburst and 2km Colourburst to 5km (two waves), 10km (multiple wav..

The Summer GMU (Green Man Ultra) is a Bristol-area ultramarathon offering two distances: 45 miles (GMU45) and 30 miles (GMU30). Both races use the same clockwise course along the Community Forest Path, starting and finishing at Ashton Park School for GMU45, and starting at The White Horse in Hambroo..

The Beast of Llangattock is a trail running event on Saturday 22 August 2026 at Park Farm, Llangattock, Crickhowell, Powys. The event offers four distances, all on marked courses with GPX files available for download. 10 km (6 miles) 10 miles (16 km) 20 miles (32.5 km) 32 miles (51 km) Cut-off ti..

Black Cattle Ultra Gwartheg Duon is a South Wales ultra organized by Ridge Runners, offering two distances: 44 miles and 33 miles. Runners start from Llanthony Priory in the Black Mountains or from Abergavenny, following the Cambrian Way to Cardiff and finishing near Castle Coch in Cardiff. The rout..

The Windsor Trail Run takes place on Sunday 30 August 2026 at Alexandra Gardens, Alma Road, Windsor SL4 3HU. The event offers two race distances and was booked 119 times in the last month. 10K - £30; elevation 29 m; trail, flat Half Marathon - £34; elevation 58 m; trail, flat Group booking and T-..

The Henley River event takes place on Saturday 5 September 2026 at Temple Island Meadows / Remenham Farm, Remenham Lane, Henley-on-Thames RG9 3DB. It is organised by RunThrough and supports Royal Berks Charity. Races available are: Half Marathon 10K Junior Race (under 11) Entry options include st..

The RIDUM is a 30-mile ultra marathon held in South East Wales, following the Rhymney Valley Ridgeway Walk. This challenging trail run features 4,252 feet of elevation, taking participants across ridge tops around the Caerphilly basin with stunning views of the surrounding landscape. The route inclu..

The Joust Races 2026 is a 24-hour multi-lap running event held on Saturday 5 September 2026. The format uses a looped course with each lap approximately 5.56 miles. The course is described as well marked and marshalled, easily navigable and relatively flat. The event takes place in an area called t..

The Farnham Pilgrim Marathon is a full marathon event held at The Sands Recreation Ground, opposite The Barley Mow Pub, Littleworth Road, Farnham, Surrey GU10. The listing highlights spectacular views, emphasizing the scenic nature of the race in the Surrey Hills. Entry is £40, with a cap of 1,000 p..

Bradenham Blast is a trail running event on Sunday 20th September 2026 at Manor Farm, Bradenham, High Wycombe (HP14 4HF) in the Chiltern Hills. The event offers three distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across estate trails in an arable nature reserve...

The Cannock Chase Running Festival is scheduled for Sunday, 11 October 2026 at Concert Field, Birches Valley, Cannock Chase Forest, Rugeley, WS15 2UQ. The event offers multiple distances on forest terrain and includes a separate junior race. The course runs along forest paths, woodland tracks and g..

The Windsor Trail Run takes place on Sunday 8 November 2026 at Alexandra Gardens, Windsor SL4. The event offers a trail half marathon and a 10K on mainly flat, off-road trails in royal Berkshire. Routes start and finish from Alexandra Gardens and pass through parkland with seasonal scenery. Distan..

Dawn Two Dusk, organized by Mad Running Junkies, is a 12-hour night-to-dawn endurance event staged at Bridgend Miniature Railway in Bridgend, South Wales (Fountain Road, Aberkenfig, Tondu). The format features three roughly 10-mile loop routes that participants can complete as many times as possible..

Nightmare Before Xmas Trail ½ Marathon, organized by Mad Running Junkies, takes place at Bridgend Miniature Railway Centre in Aberkenfig (Tondu), near Bridgend. The course splits into an 8-mile opening section, The Hateful Eight, followed by roughly 5 miles of mud, water, hills, and a forestry trail..

The Birmingham Black Country Half Marathon is a running event held in the Black Country region near Birmingham. Organized by StuWeb Events Ltd., the race covers the half marathon distance of 13.1 miles. While specific details about the course and atmosphere are not provided, the event typically attr..