Trail Running calendar near Harlech 2026-2027

A 50 km women focused event in Pwllheli on 17 April 2027 with a strict no-crew policy, minimum age 18, limited refund rules, and recommended third-party insurance.

A 102 mile trail ultramarathon around Chester with 1590m ascent, 12 supported checkpoints, live GPS tracking and a 32 hour cut off.

Coastal ultra routes from Prestatyn to Bangor with 50 km (54.8 km) or 100 km options, aid stations, tracking, chip timing and mandatory kit checks.

Two route options from Holdgate Church in Shropshire, climbing Abdon Burf and returning via the Jack Mytton Way, with staffed checkpoints and refreshments.

Trail running at Delamere Forest on April 25 2027 with 10K, 21K and 42K routes through forest, Blakemere Moss and the Sandstone Trail. Routes are marked, a GPX file is provided, and an event village offers food and finish line goodies.

A repeating 5.33 km lap every hour until one runner remains, held 30 April to 2 May 2027 at OnePlanet Adventure in Llandegla, Wales.

The HOWUM in Llanidloes on May 1, 2027 offers Full and Half event options; entries are currently marked sold out with a waitlist listed.

A 50 miles trail around Telford visiting Ironbridge and the Wrekin, with four checkpoints, mandatory kit and a 9PM cut off.

Pretty Muddy 5k at Weston Park is an obstacle course across paths, tracks and grass with some hills and on site parking. Entrants must be at least 13 and take part in staggered wave starts while raising funds for Cancer Research UK.

24 hours solo and team ultra along the Offa's Dyke National Trail from Nova Centre Prestatyn with GPS tracking, six checkpoints and preplaced drop bags.

115 km multi-discipline race from Abersoch beach to Snowdon and back, featuring a sea swim, mountain ascent and return bike with a beach finish.

Trail races around Moel Famau in the Clwydian Range offering Marathon, Half Marathon and 10k on hilly off-road routes. Checkpoints provide refill taps, mandatory safety kit is required and canicross entries are accepted.

Off road 10 km alongside the Llangollen Canal with a kids 1 mile race; chip timed event with finisher medal included and a feeding station on course.

A measured, chip-timed 5k through Middlewich canals and trails with a family fun run on the cricket pitch; medals, goody bags and age-group prizes for finishers.

A 50K route on 15 May 2027 that passes Ironbridge, Wroxeter Roman City and other historic Shropshire sites, with measured course, bespoke medal and bag transfer.

Mountain trail marathon and 10 mile race around Parkwood Dolygaer in the Brecon Beacons, with three checkpoints and a six-hour cutoff at 20.5 miles.

A 5 km muddy obstacle course at Birkenhead Park featuring climbing, crawling and sliding. Organised by Cancer Research UK, the event uses staggered wave starts and requires participants to be 13 or older.

A fully supported trail running event in May 2027 along the way-marked Heart of Wales Line Trail from Llandrindod Wells to Craven Arms, offered in **50 miles**, **26 miles**, and **16 miles** distances.

Three trail races of 50, 26 and 16 miles along the final sections of the Heart of Wales Line finishing at the Shropshire Hills Discovery Centre.

A long-standing mountain race in Eryri, North Wales, tracing a bee-line route from the coast to the summit of Yr Wyddfa on Saturday 5 June 2027. Long and short courses cross rocky summits, technical ridges and grassy slopes.