Trail Running calendar near Knettishall 2026-2027

We have found 230 Trailruns within 80 miles of Knettishall. See below where and when you can find the races.

Experience a guided 10km trail run through the bluebell woods of the Chiltern Hills. Join expert local guides for a morning of supported running through nature reserves starting from the heart of Tring.

Experience a 5K multi terrain run through the picturesque Fineshade Wood. This new series venue offers a woodland course for all abilities with bespoke finishers medals and on site facilities for runners and spectators.

May 2026

Experience the scenic trails and woodland paths of Hampstead Heath in this annual charity event featuring chip timed races and a community fun run with views of the London skyline.

Take on a coastal adventure with sandy trails and undulations in the Heritage Coast Run. Choose between a 10k or half marathon, both sharing a scenic, mostly off-road route. There's even a special 10k category for runners with dogs.

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.

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.

The Chiltern Hills 100K is a 100-kilometre ultra marathon on 9 May 2026, traversing a scenic loop of trails through the Chiltern Hills with 1800m of elevation. This UTMB World Series Index Race offers fully marked routes, six stocked aid st..

UTMB Index

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 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.

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.

Experience a scenic road race through the undulating Suffolk countryside with marathon and half marathon options. This measured course features quiet roads and local aid stations for a rewarding running experience.

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 an inclusive trail running festival at Dunstable Downs featuring distances from 1km to 10km. Enjoy a vibrant event village with live music, food, and family activities in a stunning landscape.