Trail Running calendar near Grafham Water 2025-2026

We have found 321 Trailruns within 80 miles of Grafham Water. See below where and when you can find the races.

Run scenic countryside trails at the Clipston Trail Half Marathon and Country 5 Miler, starting from Clipston Recreation Ground. Enjoy rolling hills, a homemade cake at the finish and the feel good factor of supporting local playing fields.

Event overview The Bradenham Blast takes place on Sunday 20th September 2026 and offers three trail distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across the Bradenham Estate in the Chiltern Hills, which..

Take on the Chiltern 50 Ultra Challenge from Henley Showground and enjoy looped trails through the rolling Chiltern countryside, with walk, jog or run options to suit every pace. Basecamp adds camping, a Saturday meal and shuttle service.

Join The Pumpkin Run in Colchester on Sunday 27 September 2026 for 10K, 5K or a fun 1K family dash through scenic fields and a festive pumpkin corn trail. Expect chip timing, an event village, exclusive medals and plenty of family friendly..

October 2026

Take on 25 km of scenic trails through Epping at the London EcoTrail, an eco focused run that blends challenge with beautiful countryside views. Perfect for trail lovers seeking a green, memorable race day.

Take on the scenic 50 km challenge through Epping Forest in London on 3 October 2026. Enjoy sweeping trails, leafy views and a rewarding long distance test for experienced runners.

Wild Run Cotswolds invites trail lovers to Cornbury Park for scenic, undulating single loop routes from 10K to the marathon plus a six hour 360 challenge. Family friendly, fully marked and marshalled, entries limited to 600 runners.

Push your limits at Loop Til You Drop Backyard Ultra at Turvey House. Run a 6.7 km loop each hour, starting on the hour, and see who lasts longest; single, paired and 7 Hour Max entries welcome.

Join a guided 30 mile trail run from St Martha's Hill through the Surrey Hills, with views of Box Hill and Denbies Wine Estate. Run as a friendly group with an experienced ultra runner and coach to guide you every step of the way.

RunThrough UK invites runners to the Cannock Chase Running Festival at Birches Valley, a scenic forest course offering half marathon, 10K, 5K and junior races. Expect chip timed results, themed medals and a lively event village.

Tackle rolling climbs and sweeping Chiltern views at the Frieth Hilly 10 km and 5 km Run, set on mixed woodland paths and country roads. Expect a scenic but challenging route between Frieth and neighbouring villages.

Take on Autumn 100, a scenic 100 mile trail challenge around Goring and Streatley along the Ridgeway and Thames Path. Four 25 mile out and back spurs, 28 hour cutoff and a field limited to 250 starters make for a classic long distance test.

UTMB Index

Run scenic, undulating trails around Carsington Water with a choice of Half Marathon or 10K on reservoir loops. Celebrate at the event village with a themed medal, water and festival goodies and GPX files to preview the course.

On 17 October 2026 tackle scenic trails on eastern edge of the Peak District with a 20 mile Petit Raid or 31 mile Amberaid 30. Routes form a figure of eight from Ashover with checkpoints, GPX and a medal for every finisher.

Stort30 is a 30 mile ultramarathon along the River Stort towpath, flat and scenic, out and back from Bishop's Stortford. Toilets, showers and aid stations plus a finishers medal make it a friendly test for experienced runners.

November 2026

Join the Windsor Trail Run on Sunday 8 November 2026 in Alexandra Gardens, Windsor for 10K and half marathon off road routes through royal Berkshire. Chip timed races, friendly marshals, an event village and tasty post race goodies await.

The The Maverick Suffolk Gravel will take place in Rendlesham on Saturday 28 November 2026.

December 2026

Enjoy a scenic winter run around Carsington Water with half marathon and 10K options on Saturday 5 December 2026. Undulating reservoir trails, kilometre markers and a themed medal make this RunThrough event a rewarding lakeside challenge.

Take on the new winter St Edmund Way Ultra on 5 December 2026, an 80 miles route through Essex, Suffolk and Norfolk. Remote trails, checkpoints and live public tracking make this a true day and night test of endurance.

Test your trail legs on Box Hill Vertical KM, a guided 12.5 mile run near Dorking that crams 1000 metres of ascent into a scenic but technical route. Run as a group through woodland, heathland and open fields with kit support and shoe trial..