Trail Running calendar near Sudbury 2026-2027

We have found 385 Trailruns within 80 miles of Sudbury. See below where and when you can find the races.

Experience the inaugural Holy Trail Running Festival in Suffolk featuring 50 mile, 50 km, and trail marathon distances. Enjoy scenic trails finishing at Nicholas Everitt Park with full support and GPS tracking included.

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.

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.

Experience the twilight beauty of Ardingly Reservoir during this evening run in West Sussex. Choose between a 5K or 10K distance on an undulating trail course featuring scenic water views and a 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.

Experience a scenic off-road trail run at Milton Creek Country Park while supporting neonatal care. This event features 10K and 5K distances plus a Junior Run, complete with bespoke medals and a friendly atmosphere.

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.

Experience a vibrant trail running series at Dunstable Downs or Bristol. With distances from 1km to 10km, this inclusive event features live music and food for a complete carnival atmosphere.

Experience a cross country run through the Hertfordshire countryside with 5km and 10km distances. This community event in Little Gaddesden includes junior categories and mini races for children.

A multi-terrain 5 kilometre race at West Lodge Farm in Desborough on 13 May 2026, running through fields, woodlands and farm trails. Finishers receive a bespoke medal and a virtual completion option is available; entries close 12 May.

Enjoy a flat and traffic free summer race series at Dinton Pastures Country Park. Choose from 5km or 10km distances with chip timing and a dedicated 2km kids run for a complete family evening.

Experience a beautiful coastal journey through Suffolk and Essex on this flat trail ultra for runners and walkers. Choose between 100 mile, 50 mile, or 50 km distances along unspoilt estuaries and quiet heathland.

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