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 a timed run through the Chiltern countryside and the exclusive Wormsley Estate. This event offers mixed terrain courses over multiple distances starting from Ibstone Common to support a local primary school.

Test your endurance on a flat but demanding loop along the Thames and historic canals. Choose from 100, 150, or 250 mile distances with full GPS tracking and checkpoint support.

A limited capacity evening trail run of 5 miles for over 18s with the course run in reverse from previous years. Route files are provided beforehand and finishers can exchange their race number at the bar for a drink.

Trail run at Barningham Estate offering 10k, 20k and 30k single lap routes across off road North Norfolk terrain. Fundraising supports Little Lifts Boxes for people receiving breast cancer treatment.

Experience a unique 5k obstacle course in St Albans featuring large scale inflatable hurdles. This event offers a bouncy and active day out in Hertfordshire for participants of various interests.

Join this road running event in Bury St Edmunds featuring distances from 5k to an ultra marathon. Enjoy scenic undulating routes and a seven hour cut off on the same day as the London Marathon.

Complete a 41.4 mile circular route around Coventry through the scenic Warwickshire countryside. This annual event welcomes solo runners, walkers, and relay teams for an off road challenge with full checkpoint support.

Run a scenic out and back marathon or half marathon along a historic former railway line in the Derbyshire countryside with a traffic free trail.

Join NOT the London Marathon Run 2026 on Sunday 26 April in Walton on Thames for a flat, certified lap course along the riverside towpath. Choose marathon, half or a 7 hour timed challenge, enjoy flexible starts and a commemorative medal.

A guided 10 km trail run through bluebell carpeted woods in the Chiltern Hills, meeting in Tring. Groups are led by Run Leaders who offer trail running tips; facilities include a nearby cafe, toilets and bag drop.

A multi-terrain 5 km race at Fineshade Wood on Sunday 26 April 2026 as Race 1 of the Northants 5K Series. The event includes bespoke finish medals, a virtual completion option with posted medals, and ANPR cashless parking.

A family oriented 2.5K and 5K event at Aston Park where every finisher receives a cuddly teddy. The run raises funds for Birmingham Children's Hospital and finishes with a teddy bears picnic.

Event Overview The Dragonfly Challenge is a timed running event with a 6-hour duration. Participants decide how far they run by completing as many laps of a 5.3 km (3.3-mile) course as they wish within the time limit. This means the total d..

May 2026

Enjoy a flexible 7 hour time challenge along the scenic River Thames in Egham. Run or walk as many laps as you choose to earn a medal and special distance pins at this inclusive midweek event.

Experience a 100 mile point to point trail race following the iconic Thames Path from London to Oxford. This flat and fast course offers a 30 hour time limit through beautiful English riverside scenery and groomed trails.

UTMB Index

Experience a guided 30 mile group run through the Surrey Hills featuring the North Downs Way and the Greensand Way. This non competitive ultra includes summits like Leith Hill and expert coaching throughout the journey.

Run Silchester on 2 May 2026 in Silchester, Berkshire features three trail races through Roman walls, church surroundings and ancient woodland, alongside a village festival with stalls, family activities and a charity collection.

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.

Experience a weekend of trail running in the Cotswolds with distances ranging from a 10K to a 100KM ultra marathon. Starting from Ilmington these UKA regulated races now include a new 50K option for all participants.

Experience a guided group trail run through the Surrey Hills designed to reach 1000m of elevation. This non competitive 12.5 mile journey features technical climbs and woodland trails led by an experienced mountain leader.