Trail Running calendar near Thornbury 2026-2027

This timed event on August 15, 2026, offers a flexible, multi-lap format on a smooth riverside course in Winchester. Runners can choose their start time and distance, from a single lap to an ultra marathon, within a 7-hour window. All finis..

An evening trail event near Dorchester with 5k and 10k routes through sunflower fields and bridleways. Routes include an aid station and finishers receive medals, while the event supports a local hospital charity.

Mynydd Maen Traverse is a running event near Pontypool featuring a 9.8 km route with 291 m of climb. It includes separate junior races and accepts team entries of three.

A 7.5 km fell race at Cwrt-y-Cadno Show fields with 264 m of climb. Entry to the show covers the £5 fee; the course is partially marked and open to those over 16.

A Bath running event on 16 August 2026 featuring two long, lit railway tunnels and a programme from 500 m colourburst to ultramarathon and relays; proceeds support Sustrans.

South West Spartan at Badminton Park on August 16, 2026 features obstacle races across Sprint 5 km, Super 10 km and Beast 21 km plus a kids race. Courses run through parkland, fields and woodland on mostly flat terrain with some small hills..

Run through the scenic trails of Southampton Common at this multi distance festival. Explore a Site of Special Scientific Interest featuring woodland and lakes while enjoying a well serviced event village.

A 10 km trail run at Ramsbury Brewery on August 16, 2026, mostly off road through trails and woodland. Canicross friendly, entries include a medal, a pint cup and a free drink.

Choose your own distance on a 3.28 mile out and back along Stroud Waterways canal with a one hour flexible start window and a seven hour maximum for the longest efforts.

Join the Crook Peak Cake Race in Axbridge on Wed 19 Aug 2026 for a spirited 3 mile fell challenge across stunning Somerset hills, finishing with cake and community cheer. On the day entry available for runners aged 14 and up.

Two ultra distances on the Community Forest Path around Bristol: a 45 mile full loop and a 30 mile partial loop. Four checkpoints supply basic food and drink, electronic timing is used and finishers receive a bespoke Green Man medal.

A 7 hour time challenge at Dare Valley Country Park where runners pick their distance from a 3km minimum. The event features a cupcake magnet medal, a baking competition, aid tables with vegan options, and free parking.

Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.

A point to point mixed terrain 15 Mile and Marathon following the Old Way from Mayflower Park, featuring coastal landmarks and a short boat crossing of the Hamble River. Finishes are at Titchfield Abbey and Boundary Oak School.

A children's fun run organised by Afan Valley Swimming Club on 23 August, covering approximately 1 mile of mixed grass and tarmac with uphill and downhill sections. Entry includes a finishers' medal and a bag of sweets.

A 10 mile trail race through Radnor forest in Mid Wales on 23 August 2026, held in aid of the Special Care Baby Unit in Hereford. The route reaches Black Mixen at 2130 ft and includes forestry roads, moorland and tree covered single track.

Trail races at Wimbleball Lake on 28 August 2026 include 10K and 5K events plus canicross options. The event features chip timing, finishers medals, parking and camping at the lake.

Experience a point to point mountain ultra from the Black Mountains to Cardiff featuring scenic ridges and historic castles. Choose between 33 or 44 mile distances with indoor aid stations and self navigation along the Cambrian Way.

The Plum 10k is a recurring 10 kilometre race run by Pershore Plum Plodders, with results recorded across multiple years and the next listed date on 30 August 2026. The race is part of the club's wider programme of runs and events.

A fell race in Machen of about 7 km with 365 m of ascent, with registration at Machen Welfare Ground and start and finish on Church Street. Entry is £7 on the day and participants must be over 18.