Trail Running calendar near Haverfordwest 2026-2027

We have found 96 Trailruns within 80 miles of Haverfordwest. See below where and when you can find the races.

A marked fell race in South Wales on 30 Aug 2026, covering 11.5 km with 350 m ascent. Pre-entry and day entry are available; junior races have on-the-day entry. Post-race tea and cake are provided, bring a mug.

A classic fell race near Machen featuring a 7km course with 365m of ascent. Entry is on the day only for runners over 18. The route demands proper footwear and may require mandatory weather gear.

September 2026

Experience a 30 mile ultra marathon along the scenic ridge tops of the Rhymney Valley Ridgeway Walk in South East Wales with no time limits and full course support.

Experience an all-terrain run from Barmouth beach to the summit of Cadair Idris. Choose from three distances featuring coastal views and mountain trails with full marshal support and chip-timed results.

Run as far as you like at Alice in Runderland, a timed multi lap event at Parc Taf Bargoed with flexible start times and on course support. Choose from one lap up to marathon and earn a bespoke finisher medal.

An eight mile community run from Barnstaple Pannier Market to Crow Point with a one mile children's race, an event village and a fundraising campaign marking 20 years of Families in Grief.

Coastal trail races in Abersoch on the Llyn Peninsula offering 20K, 10K and short beach runs along coastal paths and sand, with chip timing, drink stations, medals and a beach finish area with music and food.

A backyard ultra near Crickhowell on a 4.167 mile loop of trail and tarmac. Runners complete hourly laps with a final raced lap to decide the winner, medals for yard completions and a special medal at 32 miles.

A hilly trail event in the Cothi valley offering a 13 mile half marathon, a 6.5 mile alternative and a kids race, held at Pumsaint Village Hall with online entry and published route and results.

Experience a historic ten mile trail race through the scenic Doone Valley in Exmoor. This hill focused course offers stunning views and commemorative medals for all finishers in a small field limited to 250 participants.

Three long distance trail races along the Wales Coast Path in the Gower AONB, with routes that cross beaches, cliffs, marshes and farmland. The event offers navigation support, checkpoints, GPS tracking and finishers medals.

RTT Margam Trail at Margam Country Park offers 5 km and 10 km trail routes on woodland paths with views of Margam Castle. The event includes chip timing, water stations, marshalled routes and parking included with entry.

October 2026

A 7 hour Time Challenge at Dare Valley Country Park where runners choose their distance. Finishers from 3km receive a themed medal, doughnuts and a goody bag, with aid tables and vegan options on course.

The Twin Peaks Race in Aberystwyth challenges runners with ascents of both Pen Dinas and Constitution Hill on an 11.7 km route. A shorter junior race on the promenade is also available. The event features varied terrain and finishes with a..

A 7 hour Time Challenge at Dare Valley Country Park with flexible lap-based distances from 3 km to ultra, themed medal and pins, goody bag options, aid stations, and free parking.

Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.

A trail event at Oxwich Bay offering a self-navigation half marathon plus marked 10 km and 5 km routes across coastal paths, woodland and sand dunes, with chip timing, a finisher medal and on-course water stations.

A memorial road and off road event organised by Green Events featuring a half marathon and a 12k in mountainous scenery. The race is cupless, open to those over 16, and lists online and on the day entry options.

Pilgrim 6 on 31 October 2026 is a 32 km, 1800 m fell event on Pen y Fan with three summit ascents via six different routes; it has classic and 16 kg weighted categories, unmarked navigation, and marshalled control points.

November 2026

Experience the rugged beauty of the South West Coast Path and Exmoor National Park. Choose from five distances ranging from 38 km to 110 miles featuring historic coastal villages and dramatic sea cliffs.

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.