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.

Enjoy a guided 5km trail run through the Chiltern Hills followed by a specialized movement class. This event includes expert run leaders, trail technique instruction, and basic facilities at Church Farm Cafe.

Take on the Freddo Mercury Rhapsody Run along a flat riverside towpath at Xcel SPORTS HUB, logging as many 5.3 km laps as you can within a relaxed 7 hour limit. Rock up in a 1.5 hour start window or request a time, with aid stations and opt..

Kick off the championship series with this 15k spring trail run in Boreham. Enjoy a scenic route consisting of 95% off road paths through footpaths and bridleways with on site amenities and optional swim access.

Join this 5 mile multi terrain race at Bromsgrove Rugby Club featuring a scenic route of trails and towpaths. This evening event welcomes both solo runners and canicross participants for a focused and competitive run.

A 100 kilometre trail ultramarathon in the Chiltern Hills on 9 May 2026, following an anticlockwise loop past Ashridge, Coombe Hill and Whiteleaf. The fully marked route has open GPS tracking, six checkpoints and a 250 runner limit.

UTMB Index

Explore the historic trails of Sherwood Forest in this circular trail ultramarathon. Choose between 30 and 40 mile marked loops passing landmarks like Creswell Crags and the Major Oak.

Experience a weekend of trail running at the picturesque Deene Park Estate featuring multiple challenges including a 10k evening run and a hilly half marathon. Tackle individual races or take on the full 56.1k quest.

A 33 mile trail round Chesterfield following the Chesterfield Round Walk, combining moorland, woodlands, reservoirs and farmland. The course is largely unmarked but GPX and route notes are provided; there are six checkpoints and a nine hour..

Experience a variety of trail running and walking events at Mapledurham near Reading. Choose between ultra distances, half marathons, or a six mile walk featuring a river boat crossing with on site camping available.

UTMB Index

Experience a unique 5 km obstacle run in Guildford featuring a wide variety of large inflatable structures. This event provides a fun and bouncy course for individuals and teams looking for an active day in Surrey.

Experience an award winning obstacle course at the Secret Nuclear Bunker Estate featuring signature challenges like the Deathslide and zip lines. With distances from 1.5km to 38km, there is a muddy adventure for every participant.

Test your limits at the British OCR Championship in Essex. This 12km+ elite course features over 60 technical obstacles and serves as a qualifying event for both European and World Championships.

This event on the Thames features 10K, half, and marathon distances on scenic riverside paths. Starting from the Wraysbury Skiff Club, the courses use fully marked out-and-back loops. The area near Runnymede offers beautiful countryside and..

Conquer the mud at the Secret Nuclear Bunker Estate with courses ranging from 1.5 km to 38 km. Experience signature obstacles like the Deathslide and zip lines in this award winning Essex event.

Experience a flat 5k run through scenic parkland and Norfolk's largest zoo. Run past giraffes and penguins before enjoying full day zoo access and a unique finisher medal.

Celebrate the 30th anniversary of this award winning marathon through the scenic rolling hills and hidden back roads of North Essex. This well supported event features a community focused atmosphere and low traffic rural course.

Experience a unique multi terrain race through the historic Northamptonshire countryside starting in Naseby. Choose from five distances ranging from a 10K road race to a 35 mile ultra marathon with rotating course directions each year.

A marathon and a one-loop half marathon at Suffolk Running Centre on 10 May 2026, both on quiet roads with aid stations every 10 km. The event includes parking, a seven hour cut off, and a bespoke finisher medal option.

A self-guided 13-mile run along Letchworth's scenic Greenway trail. This is a run, not a race, due to road crossings. Finishers get a wooden medal and refreshments, with profits supporting a local youth mental health charity.

Explore the beautiful Chiltern Hills on this guided 30km trail running adventure. Enjoy 500m of ascent through woodlands and ridges with professional run leaders and a finishers medal included.