Trail Running calendar near Grafham 2026-2027

We have found 387 Trailruns within 80 miles of Grafham. See below where and when you can find the races.

Kick off the championship series with this special Spring trail run. The 15 km course is over 95% off-road and used only for this seasonal event. It starts and finishes at the scenic Trifarm lake.

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

Explore the forest trails of Sherwood Forest on this annual ultra run. Choose between a 30-mile or a 40-mile loop past landmarks like Cresswell Crags and The Major Oak. The event is fully marked and supported with vegan aid stations.

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 33 mile trail race through the varied landscapes and picturesque countryside surrounding Chesterfield. Complete a scenic loop featuring moorland and ancient woodland to receive a special 10th anniversary finisher memento.

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

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..

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.

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.

The Woodland Woggle is a scenic 6k trail race through Hampton Estate and Puttenham Common. Expect undulating hills, Bluebell woods, and chip timing, with a bespoke medal for every finisher. Ample parking and refreshments are available at th..

Join a trail running and walking event in the village of East Hendred. Choose between an undulating 5k circular route or a 1k kids obstacle run at the local sportsground.

Experience a unique multi terrain 5k run through the fields and nature trails of West Lodge Farm Park. Watch for local animals as you navigate this rural course and earn a bespoke finisher medal.

A summer series of four evening races in Dinton Pastures Country Park. Choose from a flat, off-road 5km or 10km, or a kids' 2km. Enjoy chip timing, a finisher's medal, and the chance to track your progress across the summer months.

Experience an undulating 10K trail run through Skellingthorpe in association with the Trail Running Association. Finishers receive a medal and a goody bag featuring local beer and chocolate.

Experience a scenic 50k ultra marathon through Nottinghamshire villages and countryside. This brewery to brewery route features checkpoints every 6 to 8 miles and finishes with food and entertainment.