Trail Running calendar near Hafren Forest 2026-2027

We have found 292 Trailruns within 80 miles of Hafren Forest. See below where and when you can find the races.

Run your own distance on a 7-hour timed course through Parc Taf Bargoed in South Wales. Choose from 5k to ultra on a flexible, scenic loop starting from Trelewis. Walkers and runners are welcome with staggered starts and full event support.

Follow the scenic Monmouthshire and Brecon Canal on this supported 40 mile point to point journey from Malpas to Brecon Basin. Enjoy a flat towpath route through the heart of the Welsh countryside with a 15 hour time limit.

Experience a scenic 13 mile offroad race across the ridge of the Malvern Hills. This hilly trail event features a friendly atmosphere with no cut off times and well stocked aid stations for all runners.

UTMB Index

Experience a unique ultra marathon format on a 4.167 mile loop through the scenic Eastnor Castle Deer Park. Choose between an eight hour solo backyard challenge or a flexible relay with friends on a mud free course.

Explore the scenic woodland paths and panoramic views of Cheshire in these chip timed trail races. Choose between 21k and 42k distances starting from the Delamere Forest Visitor Centre.

Enjoy a flexible 7 hour time challenge at Dare Valley Country Park with distances ranging from 3km to ultra marathon. Run or walk through scenic countryside on well maintained paths and celebrate with a themed medal and ice cream.

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.

May 2026

Experience a challenging trail event along the Worcestershire Way with four distance options up to 47 miles. Navigate steep climbs with support from checkpoints and pace leaders to earn a bespoke finishers medal.

Experience a mountain adventure through the Bannau Brycheiniog National Park with circular routes starting in Brecon. Choose between 100km, 75km, or marathon distances featuring significant elevation and iconic ridge traverses.

UTMB Index

Experience an epic guided traverse of the fifteen 3000 foot peaks in Snowdonia. This 48 km mountain run includes 4000 meters of elevation gain across three iconic ranges with full support and logistics provided.

Experience 30 miles of Welsh beauty on a circular route from Llanidloes. This inclusive trail event features 4,356 feet of elevation gain with no time limits and fully stocked checkpoints.

Run a half or full marathon through the scenic Shropshire Hills and Long Mynd. This exclusive event is limited to 200 runners and features a challenging lap course with a commemorative finisher medal.

Join a guided mountain run across the Moelwyns leg of the Paddy Buckley Round. This 35 km route from Capel Curig features 2,500 m of ascent through the technical terrain of Snowdonia National Park.

The Sirhowy Challenge is a 10 mile multi-terrain race featuring a 1,500ft climb to Machen Trig Point. Participants enjoy a scenic loop through the Sirhowy valley with awards and a finishers social at the local club.

The Devauden Races is an annual off-road charity event for the Severn Area Rescue Association. Runners and families can choose from 10k, 5k, 2.4k, or a 60m junior dash on the scenic trails of Chepstow Park Woods. The event starts and finish..

A provisional cross-country race at Sheinton Church near Cressage on 6 May 2026. The course is 5.3 km with 100 m ascent, entry is on day only with a fee of £8, and 2026 will be the last running.

Join this 5 mile multi terrain race at Bromsgrove Rugby Club featuring a scenic route of trails and towpaths. This evening event welcomes both solo runners and canicross participants for a focused and competitive run.

Enjoy a summer evening charity run through the scenic trails of Marbury Park. With 5k and 1k distances plus a BBQ and music, this event offers a complete family experience supporting The Stroke Association.

A 24 hour timed challenge along the Offa's Dyke Footpath from Prestatyn, with solo and team entries, GPS tracking, six checkpoints and mandatory kit requirements. Results are based on how far each participant reaches after 24 hours.

Test your endurance on a technical 3.2 mile mountain loop at Mynydd Troed. Complete as many laps as possible within ten hours as a solo runner or part of a team in the heart of the Black Mountains.