Trail Running calendar near Builth Wells 2026-2027

We have found 335 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

Run as many 3.28 mile laps as you wish along the scenic Stroud Waterways canal. This flexible timed event caters to all distances from 5k to ultra marathon with a seven hour time limit and a relaxed start window.

WildRox brings a test of strength and endurance to the Huntley Estate in Gloucestershire. Complete eight physical challenges and eight kilometers of off road running to earn your finisher medal and official time.

Experience 51 miles of mountain and trail racing through Southern Snowdonia and Coed-y-Brenin forest. Technical terrain includes ascents of Cadair Idris and Rhinog Fach with full GPS tracking and checkpoint support.

A three day festival at the Pinkery Centre in Exmoor National Park combining the Exmoor Perambulation and Man vs Moor events. It features walks, trail races, a sunset swim, evening talks and family options.

A trail event on the Malvern Hills offering *27 miles* with about 5000 ft ascent or *15 miles* to Black Hill. Routes use tracks and paths, include staffed checkpoints with snacks, and finish at Colwall Village Hall.

Two self-navigating trail routes on 20 June 2026 finishing at Ludlow Castle, with mixed terrain through the Marches of England. Options include an approximately 30 mile ultra and a 14 to 15 mile half with parking and optional transport from..

Test your endurance at MacTuffX Bristol with interval based running challenges. Choose between solo, doubles, or relay formats across 400m and 800m repetitions in this organized summer event for adults.

A Pretty Muddy 5k obstacle event at The Downs, Bristol on 20 June 2026 where participants aged 13 and over tackle muddy obstacles on a mostly flat grass course while fundraising for Cancer Research UK.

Challenge yourself on a scenic 10k trail run around the Lake Vyrnwy estate. The mixed-terrain course offers climbs with views and fast downhill sections, suitable for runners aged 16 and over. All finishers receive a medal.

The Lake Vyrnwy 10k is a trail run through the scenic Lake Vyrnwy estate. With varied terrain and climbs offering views, it finishes with a medal in a festival atmosphere.

A seven hour Time Challenge at Dare Valley Country Park offering flexible lap distances and themed finisher medals featuring familiar characters. The event includes aid stations, goody bags with vegan options, free parking and distance achi..

A 9 km two-lap country park race in The Valley, Evesham on 24 June 2026. Series entry is available until 1 May 2026; canicross is permitted and the minimum age is 14 years.

A trail event on 24 June 2026 around the Malvern Hills offering 10 km and 5 km routes on mixed off road and tarmac terrain, with finisher medals, prizes, a 2 hour cut-off and on-site parking and refreshments.

Experience an exciting inflatable obstacle course in Cardiff with 5k and 10k options. Join as an individual or part of a group for a unique running event supporting Hospice of the Valleys.

A 5 km obstacle event at Cheltenham Racecourse on 27 June 2026 where participants climb, crawl and slide through muddy obstacles. Wave starts are used and participants must be 13 or older.

A multi-lap event at Chasewater Country Park offering 5k (ish), 10K (ish), half marathon and marathon distances. Each lap is about 5K on mostly flat paths with aid stations and venue facilities.

Experience a flat and traffic free run along North Devon estuaries and historic railway tunnels. With distances from 10km to 50km plus family fun runs, this event offers a fast tarmac course through beautiful tranquil woodlands.

Experience a multi-terrain coastal challenge along the South West Coast Path with marathon, half marathon, and 10k options. Enjoy a unique race atmosphere ending with a traditional Devon cream tea and bespoke finisher medal.

July 2026

Experience a unique point to point half marathon along the scenic canal towpaths from Wolverhampton to Birmingham. Run through the historic Coseley Tunnel and enjoy water stations hosted on traditional canal barges.

Experience a 30 mile ultra marathon through the Gateway to Wales featuring 5,446 feet of elevation. Run over the iconic Sugar Loaf mountain and enjoy a supported journey with no time limits on this primarily trail course.

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