Trail Running calendar near Builth Wells 2026-2027

We have found 392 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

A point-to-point ultra from Plynlimon to the River Severn path, the MTC Hafren Ultra includes a four mile mountain approach, two checkpoints with vegan and gluten free food, navigation by GPX, and bespoke finisher medals and a head visor.

A five day, roughly 220 mile multiday ultra along the River Severn with five individual stage races and daily bespoke medals. Hotel accommodation is included, GPX navigation is recommended, and vegan or gluten free checkpoint food can be se..

A 6.7 km fell race around the Stiperstones from Snailbeach with 375 m of ascent, steady climbs and mixed descents. Entries are available by pre-entry or on the evening and proceeds support local charities and Natural England.

A single lap off-road 10 km race at Wyre Forest with canicross allowed and facilities limited to toilets and water at halfway. Series entry is open until 1 May 2026 and places are limited.

A single 8 km fell race near Llanferres with 366 m of ascent and partial route markings. Entry is by payment of £4 on the day and entrants must be over 16.

A 48 mile point to point ultra from Mid Wales Art Centre to Shrewsbury following the River Severn, with four checkpoints, vegan and gluten free food options, required 4.0 mph minimum pace and a bespoke finisher medal.

A 59 mile point to point ultramarathon following much of the River Severn from Shrewsbury to Worcester. The race has four checkpoints with vegan and gluten free options and enforces a minimum pace of 4.0 miles per hour.

Hazelbury Hurrah! is a Friday evening multi terrain race near Corsham on 10 July 2026, featuring a six mile main race and a two kilometre junior race. The event supports local charities and is Trail Running Association licensed.

Gyrn Gallop is a 10.6 km fell race from Rhiwlas Village near Llansilin with about 350 m of ascent on a partially marked course requiring some experience. Entry on the day is £7 and the minimum age is over 15.

A two person relay to the summit of Moel Famau and back over about 6.5 km with 350 m of climb. Night registration and a small on the night entry fee, with parking options that depend on ground conditions.

A point to point 57 mile ultra along the Severn Way from Worcester to Stonehouse, passing Upton-on-Severn, Tewkesbury and Gloucester. Four checkpoints offer vegan and gluten free options, finishers receive a bespoke medal and a head visor.

Self-navigated trail event on 11 July 2026 in the Black Mountains offering 13 to 50 mile routes with GPX tracks, checkpoints, chip timing, medical cover and mandatory kit requirements.

Trail races in Llanberis on 11 to 12 July 2026 include 10K, half, marathon and a 57 km ultra that pass Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass and Yr Wyddfa. The event offers an event village, on course support and chip timing.

A 24 hour trail challenge from Llanberis around Yr Wyddfa where solo runners or relay teams aim for as many ascents and descents as possible. The event is UTMB indexed, has event village facilities, on course support and charity fundraising..

A circular outdoor challenge from Hallow with five waymarked routes through 12 local parishes, distances from 10 to 40 miles. Entry includes checkpoint refreshments and a hot meal at the finish.

Trail event at Carding Mill Valley offering 10K, half marathon and marathon routes across the Shropshire Hills and Long Mynd, with marked trails, aid stations and a medal included.

A timed, multi lap run at Parc Taf Bargoed using a 5.3 km out and back lap. Distances range from 5 km to ultra with a seven hour limit and a medal or no medal entry option.

A teams event at The Packhorse in South Stoke on 11 July 2026 where three person teams in compulsory fancy dress collect and carry a full cider barrel from Upper Midford back to the pub. Prizes include fastest time, best fancy dress and tea..

A charity Pretty Muddy 5k at Cofton Park on 11 July 2026 with a grass, partly hilly obstacle course. Participants must be 13 or older and receive a fundraising pack, back sign and a finisher medal.

A 5.8 km fell race to the summit of Pen y Fan near Brecon with 588 m of ascent, part of the South Wales Series and the 2026 UKA Fell Running Championship; entries are limited and minimum age is over 16.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.