Trail Running calendar near Grafham Water 2026-2027

We have found 450 Trailruns within 80 miles of Grafham Water. See below where and when you can find the races.

Experience the inaugural Bluebell's Revenge fell race featuring an 8.9 km figure-of-eight course around the Chevin. This FRA-licensed event offers 315 meters of climbing and concludes with social food and drinks at the Bluebell Inn.

A timed Friday event on a flat 5.3 km out-and-back course along the river Thames, with lap-based distances from 5 km to ultra and a £10 Run for a Tenner entry benefiting Rays of Sunshine.

Test your endurance at this 50km multi terrain ultramarathon in Maidenhead. Complete the signed course before the official end of daylight to earn your finishers medal and mementoes.

A point to point 86 mile trail race on The Ridgeway National Trail from Ivinghoe Beacon to Avebury with open GPS tracking, eight checkpoints and a 28 hour cutoff. The event is licensed by the Trail Running Association and limited to 150 run..

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Follow the River Medway on a flat 50km trail route connecting three medieval castles from Rochester to Tonbridge. This chip timed ultra marathon features a unique athletics track finish and full medical support.

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A 60 km point to point ultramarathon from Ivinghoe Beacon to Ridgeway View Campsite on 30 May 2026. The route covers about 1000 m of ascent, includes four checkpoints with supplies and has a 10 hour time limit.

Experience an interval style racing event in Twickenham featuring repeat segments of 400m or 800m. Available for individual runners doubles or relay teams this May 2026 competition tests endurance through ten measured laps.

Experience a flat and supportive track running event at Wodson Park with distances ranging from 5k to a 6 hour ultra challenge. Enjoy a chip timed race featuring a dedicated aid station and a bespoke finisher medal.

Enjoy a 5.5 mile trail run through the scenic Clumber Park in memory of a local running legend. This marshalled event supports Cancer Research and rewards all finishers with a commemorative medal.

Experience a unique 50km point to point ultramarathon from the heart of South London to the rural lanes of Kent. Enjoy a supported journey through urban streets and scenic countryside with well stocked aid stations along the way.

June 2026

A guided 13-mile trail half marathon around the Surrey Hills, starting and finishing in Guildford, with routes that include St Martha's Church, Shere, Newlands Corner and parts of the North Downs Way. Group run format, not a race, cost £25.

Choose your distance at this flexible 6 hour event outside Market Harborough. Run as many 3.3 mile laps as you like on a flat scenic course along the Griffin Trail with a taproom finish.

A timed riverside event on a 5.3 km out and back Thames course where runners choose how many laps to complete within a seven hour limit. Ten pound entry supports the Rays of Sunshine charity and a double sided medal is awarded.

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

Test your endurance at High Lodge Thetford Forest in this classic backyard ultra. Complete a 4.167 mile loop every hour until only one runner remains or choose from 6 and 12 hour timed options.

Experience a unique obstacle course in Lincoln featuring large inflatable structures. This event provides a fun and physical activity for individuals and teams looking for a bouncier version of a five kilometer run.

A new 75 miles trail ultra across the National Forest Way from Alrewas to Beacon Hill, with six staffed checkpoints, mandatory safety kit, medical cover by TrailMed and a team relay option where each runner covers over 20 miles.

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Test your limits at this 24 hour trail relay in Wasing Park. Run as a solo athlete or in teams of up to 12 people on a scenic 8km loop through historic woodland.

Run laps through Denbies Wine Estate in the Fire Horse Run, a timed off road challenge on an undulating 5.3 km loop with distances from 5 km to ultra. Pick as many laps as you like within a seven hour window for a flexible, scenic race day.

Complete an historic 46 mile course through Cambridgeshire by foot. This annual event visits four former RAF airbases and can be tackled solo or as a team relay.