Trail Running calendar near Haverfordwest 2026-2027

We have found 98 Trailruns within 80 miles of Haverfordwest. See below where and when you can find the races.

A 27 mile point to point ultra from the source of the River Severn on Plynlimon to Mid Wales Arts Centre. The route begins with a near four mile mountain trek, includes two checkpoints with vegan and gluten free options, and awards a finish..

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 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.

The Pen y Fan Race on 11 July 2026 is a counter in the British Fell and Hill Championships, organised by Brecon Fans Races and sponsored by Pete Bland Sports. A guided Fan y Big Horseshoe jog follows; prizes include age-category and team aw..

A multi-distance trail event on the Gower Peninsula with options from 10 km up to 100 km and a figure of eight 100 km route. Basecamp at Penrice Castle offers camping, regular rest stops, GPS tracking, catering and medical support.

Trail races on the private Merthyr Mawr Estate within Merthyr Mawr Warren National Nature Reserve, featuring a 12K course and a new 40K route that extends along the Glamorgan Heritage Coast.

A traditional off road fell race to Selworthy Beacon on Exmoor of about 4 miles with 1000 ft of ascent and descent. The course is self navigated with compulsory checkpoints and prizes for summit firsts and category winners.

A Trail 10k at Llys y Fran Lake with varied terrain, lakeside and woodland sections, chip timing and a finisher's medal. The race is the second event in the 2026 RTT Series and includes marked routes and water stations.

Carn Ingli Killer is a 5.54 km fell race with 315 m climb on a partially marked course requiring navigational skills and experience; registration is opposite Long Street car park and entry is £3 on the night.

A 100 km race on the Beacons Way through the Brecon Beacons with 3,178 m ascent. Self-navigation with map and compass is mandatory and entrants must meet qualifying experience and kit requirements.

A multi-distance trail running event in the Brecon Beacons near Abergavenny on 25–26 July 2026, offering routes from 12 km to 110 km with marked courses, on-course support, camping and UTMB Index classifications.

A Britney themed 7 hour Time Challenge at Dare Valley Country Park offering flexible distances from 3 km up to 50 km, themed medals and distance pins, goody bags and aid stations. The course runs on well maintained public footpaths with fre..

A supported trail event based at Dunster basecamp on the South West Coast Path and Exmoor offering 50 km, 25 km and 10 km routes. It includes rest stops with catering, medical cover, GPS tracking, camping and categories for walkers and fast..

A fell race at Cwm, Ebbw Vale covering 9.3 km with 549 m of climb. Partially waymarked, the route includes an anticlockwise loop around Y Domen Fawr and is part of the South Wales Series.

Two trail runs of 5 or 13 miles that include the Pen y Fan summit in the Brecon Beacons. Entry includes a buff, chip timing and a marshalled route with specified compulsory kit for each distance.

August 2026

A 50 mile event on 1 August 2026 following the Cambrian Way and Heart of Wales Line with 7,100 ft of ascent, four stocked checkpoints and no formal time limits. Route files are provided via Plotaroute.

Discover the Rose Run with Phoenix Running South Wales at Parc Taf Bargoed, a scenic multi terrain out and back with a repeatable 5.3 km lap to build distances from 5 km to ultra. Rock up and run with staggered starts and limited spots.

A new 2026 coastal trail event starting at Freshwater East and finishing in Saundersfoot, offering *25k* and *14k* routes along the Pembrokeshire Coastal Path with GPX course files and listed entry fees.

Trail races of 24K and 51K start from Talybont-on-Usk on 8 August 2026, with marked routes, marshals and stocked aid stations. Entries include a themed medal, chip timing and free race photos.

A pancake-flat *10 km* out and back along the Brecon and Monmouthshire canal between Gilwern and Llangattock, set in the Brecon Beacons National Park. Finishers receive a medal, there is a drink station at 5 km, and entries are online only.

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