Trail Running calendar near Trethomas 2026-2027

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.

A self‑navigated *100 km* ultramarathon along the Beacons Way with 3178 m ascent, six staffed checkpoints, strict qualifying criteria and mandatory map-and-compass navigation; places are limited and mandatory kit is enforced.

A 100 miles race across the Brecon Beacons on 25 July 2026, following the Beacons Way from Abergavenny Castle with 10 checkpoints, 6143 m ascent and live GPS tracking. Entrants must meet age, experience and mandatory kit requirements.

On 25 July 2026 run along a scenic disused railway beside the River Severn between Ironbridge and Bridgnorth, with distances from 9 miles to a 37 mile ultra. Expect out and back laps, regular aid stations and big local support.

Trail races around Abergavenny on 25 to 26 July 2026 offer distances from 12 km to 110 km, camping at Llangorse, checkpoints about every 10 km and UTMB Index categories. The event includes medical support, marked courses and a Race Pack sen..

Tackle the South West Coast 50, a scenic 50 km coastal and Exmoor loop from Dunster with a festival style basecamp by Dunster Castle. Choose 10 km, 25 km or the full 50 km and enjoy on route support, food and camping.

Join Ooops I Ran It Again at Dare Valley Country Park on 25 July 2026 for a fun themed seven hour time challenge where you can choose distances from 3 km to ultras. Expect medals, goody bags, on course refreshments and scenic park trails.

Trail runs on 26 July 2026 around Pen Y Fan with two distance options, 5 miles and 13 miles. Entries include a buff, medal and chip timing and specific compulsory kit is required for each distance.

A 50 mile loop around the Epynt Way on 1 August 2026 starting and finishing at Noyadd Farm Camping in Builth Wells. The mostly trail route has 8,559 ft of elevation, five stocked checkpoints and no time limits.

A mostly off-road 10K in Totnes on Sunday 2 August 2026, run on a riverside route now measuring about 11 km. The event offers bespoke medals, multiple prize categories, a 1-mile fun run, on-site facilities and local charity support.

Tackle just over 8 miles of hilly Cotswold Way and woodland trails at the Standish Woodland Chase on 02/08/2026, hosted by Stroud & District AC. Expect scenic climbs, a metal finisher medal and a lively community atmosphere.

A four day, 184 mile race along the Thames Path from the Cotswolds to the Thames Barrier. Competitors are self-sufficient, must carry mandatory kit, and overnight accommodation is provided at the end of Days 1 to 3.

A 57 mile point-to-point ultramarathon along the Thames Path from Kemble to Oxford, with four staffed checkpoints, a bespoke finisher medal and event apparel, mandatory navigation kit and a required 4.0 mph average pace.

Two trail distances along the Mendip Way on 8 August 2026, finishing at Uphill Sands Beach. The routes feature woodlands, hilltop views and coastal terrain with aid stations and a cupless policy.

Tackle the Sticklepath Horseshoe a 15.5 km fell race over rugged moorland with 519 m climb. Pre entry is limited so book early. Bring map compass and solid navigation skills as this event is not suitable for beginners.

The Brecon Beacons 51k will take place in Talybont-on-Usk on Saturday 8 August 2026.

A 10 km trail run at Ramsbury Brewery on the Ramsbury Estate in Wiltshire, canicross friendly, mostly off road with medals, chip timing and a pint cup with a free drink included.

A sharp 4.4 km fell race from the Ragleth Inn in Little Stretton featuring 390 m of climb and great ridge views; a fast, testing course for keen fell runners. Pre entry via SI Entries or entries on the day are welcome.

A multi-distance running event in Bath that routes through two long, lit railway tunnels and finishes at Brickfields Park; proceeds partly support Sustrans and ticketing for this edition is sold out.

Join the Crook Peak Cake Race in Axbridge on Wed 19 Aug 2026 for a spirited 3 mile fell challenge across stunning Somerset hills, finishing with cake and community cheer. On the day entry available for runners aged 14 and up.