Trail Running calendar near Harwell 2026-2027

Trail races from Brixworth Country Park around Pitsford Water, offering a 10k and a half marathon that visits nearby villages. The event is fully marked with water stations, first aid cover and prizes for top finishers.

The Imber Ultra is a 33.5-mile multi-terrain charity run circling the Imber Range Perimeter Path. Starting in Westbury, the 2026 event will be run clockwise. It's an affordable, TRA-licensed event with awards for top finishers and age categ..

A trail running event at Breamore House offering 5k, 10k, 5k Canicross and a half marathon on mainly rural trails, with marshals, aid stations and finisher medals.

Tackle mud, hills, and a stream crossing on this annual multi-terrain challenge over approximately 6 miles at Baggeridge Country Park. It's organised by the cardiac rehabilitation charity Action Heart. A friendly, gritty event with a 90-min..

Run a scenic multi terrain 10km starting by the River Thames near Windsor & Eton Brewery. The route follows the Thames and Jubilee Rivers through Dorney and Eton Wick. All finishers get a medal, a drink, and a commemorative pint cup.

Explore the trails around the mysterious Silent Pool on a guided 10km evening run. The route passes through Netley Heath forest and the village of Shere, with the group running together at a steady pace. Head torches are available for night..

A trail championship at Matterley Basin near Winchester on 4 March 2026, offering 10 km and 20 km races run on 5 km laps with mass starts and on-course water stations.

The MTC Winter Green Man Ultra offers 30 and 45-mile loops on Bristol's Community Forest Path. With four checkpoints and pacers guiding various finish times, it's a winter ultramarathon challenge. All finishers receive a medal and technical..

This event offers three distances—50 km, 25 km, and 10 km—through the scenic Chiltern Hills, starting and finishing in Amersham. It supports the charity Humanity Direct, with free entry available for fundraisers. The route explores villages..

This trail running event in Bedfordshire offers 25km and 50km distances through scenic, runnable terrain. It's a UTMB Index event, starting from Harrold. Finishers receive a medal to commemorate their achievement.

Trail running at Hinton Admiral Estate on 7 March 2026 with 21.6 km, 15 km and 10.1 km routes; running, canicross and hike options through woodlands, heath and meadows. Finishers receive a medal, a drink and goodies.

Brutal @ Chawton offers a 5k or 10k off-road challenge on 7th March. The course combines muddy, water-filled terrain on Brick Kiln Farm with the technical trails and mining holes of Chawton Forest. A canicross option is available for runner..

Run scenic laps along the Thames towpath in Walton on Thames at the Ladybird Run, on flat off road trails with timed entries or a one hour rock up and run start window. Pick 5 km to ultra distances and complete as many laps as you like with..

About the Event The Berko 10km is a 10 km guided trail running event held in the Chiltern Hills near Berkhamsted. The route explores the woods and paths of the area, starting near Berkhamsted Castle ruins, and includes historic World War I..

A 13.1 mile out and back trail from Dorking to Leith Hill Tower with about 1,800 feet of ascent, four water stations and marshals on course. Entry includes a reusable medal, race number, beer and a cooked breakfast, with profits donated loc..

The Hannington Hike is a challenge walking event through varied countryside like the Chilterns. Organized by a local walking group, it's open to all. It's one of several annual challenge events they host.

Run a flexible-distance coastal challenge with views of the Isle of Wight. Choose from 5K to ultra-marathon on a mixed-terrain, lap-based course. Enjoy an aid station and a relaxed start window.

Run a fast, flat race on the scenic Thames Path. Choose from marathon, half marathon, or 10km distances on this out and back route. The event offers stocked checkpoints and medical support along the course.

The Steyning Stinger is a spring trail running event in early March, offering marathon, 30k, and half marathon distances. It is a licensed and UTMB-indexed race with a fully supported course. Participants receive a sustainable medal and fre..

Choose from a marathon, 20 miles, half marathon, 10km, or a 1 mile fun run at the Larmer Tree Gardens in Dorset. All finishers get a colourful medal.