Trail Running calendar near Harlech 2026-2027

We have found 186 Trailruns within 80 miles of Harlech. See below where and when you can find the races.

A winter trail event in Mortimer Forest offering an approximately 10-mile mixed-terrain race and a shorter 4-mile route, both featuring a climb to High Vinnalls, muddy trails, and a downhill finish with long-range views.

January 2027

A looped, electronically timed 5k at Llanbenwch near Ruthin that mixes minor roads and trails, awards category prizes, gives everyone a medal and has an onsite cafe.

The Holly Challenge on 23 January 2027 offers 5K, 10K, half marathon and marathon on the lanes of Lightmoor Nature Reserve near Telford. Entries are limited to 50 places and all finishers receive a medal.

Winter mountain race around Yr Wyddfa on 23/01/2027 with full 43.5 km and half 24 km options plus relay and pair formats.

Forest trail event at Delamere Forest on 24 January 2027 offering 10k and Trail 13 (Half Marathon) routes on mainly wide trails with electronic timing and a finisher medal.

February 2027

Trail races in Carding Mill Valley offering 10K, half and full marathon routes with aid stations, a medal and a cake competition.

Multi-distance out and back race along the River Severn between Ironbridge and Bridgnorth with aid stations every 4.7 miles.

50 mile trail ultramarathon around Chester with 849 m ascent, seven checkpoints, mandatory kit and a 17 hour cut-off.

A point-to-point half marathon across the Llŷn Peninsula from Cwt Tatws to Aberdaron on 28 February 2027, chip timed with aid stations and optional coach transfer and T-shirt.

March 2027

Trail races at Loggerheads Country Park on 6 March 2027 with 5k, 5k Canicross and a new 10km across riverside paths, rocky sections and many steps.

A weekend trail festival at Brynkinalt Estate near Wrexham offering approx 5k and 10k races, canicross on Saturday and trail running on Sunday, with water stations, medals and awards.

Trail running at Tatton Park on 6 March 2027 with 5 km, 10 km and half marathon routes through parkland and woodlands.

A 32 miles ultramarathon from Powis Estate in Welshpool to Caffi Wylfa in Chirk on 13 March 2027, with aid stations, finishers plate, and a minimum age of 20.

A coastal timed running event in Lytham featuring a 5.24 mile flat tarmac lap with options to complete marathon or half marathon within a six hour limit.

Three-day running event at The Unicorn Inn in Telford with 8 miles, half marathonish, or full marathon options from 19 to 21 March 2027.

Trail races at Nant Yr Arian in the Cambrian Mountains with 25 km and 10 km routes, junior races, waymarked courses and feed stations.

April 2027

Three long distance mountain trail races start and finish in Brecon, following circular routes through the Brecon Beacons National Park. Distances range from a marathon to a 100 km ultra with marked routes, checkpoints and compulsory kit re..

An 8.6 mile multi terrain race around Trawsfynydd Lake on mixed tarmac and trails with 175 m ascent, chip timed and marshalled. Proceeds support South Snowdonia Search and Rescue; open to athletes aged 17 and over.

The Pendine Sands Races stage beach out-and-back events over 5k, 10k and a half marathon on firm sand, with flagged distances, cup-free water stations, bespoke finisher medals and category trophies.

A 13.8 mile off road half marathon from Moel y Parc summit along Offa's Dyke to Prestatyn beach, with 2450 ft ascent, two feed stations and electronic timing.

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.