Trail Running calendar near Trethomas 2025-2026

We have found 234 Trailruns within 80 miles of Trethomas. See below where and when you can find the races.

The Wild Wolf of Radnor is a 10-mile trail race set in the stunning Radnor Forest in Mid Wales, an area steeped in local legend as the site where the last wolf of Wales was shot. The course features diverse terrains including forestry roads, open moorland, and muddy, tree-lined single tracks. Runner..

The Beast of Bryn is a challenging trail running event held in Bryn, Port Talbot, South Wales, organized by the Bryn Residents Action Group (BRAG). Set in the scenic Afan Forest Park, the race offers two distances: a 6.5-mile (10.5 km) route with 288 meters of climb and a longer 10.5-mile (17 km) co..

The Two Tunnels Races, held in Bath, UK, offer a unique running experience featuring the longest underground sections in the country. The course passes through the historic Devonshire Tunnel (408m) and Combe Down Tunnel (1672m), part of the former Somerset & Dorset Railway, now a shared-use path. St..

Great Links Tor – flyer – Dartmoor Fell Series is an evening fell race organized by South West Fell Runners, held at the Fox and Hounds in Bridestowe. The course features one of Dartmoor’s most challenging ascents, starting up Great Nodden and looping around the summit cairns before dropping to the..

The Crickhowell 10km is a scenic running event held near Crickhowell, Wales, within the Brecon Beacons National Park. The race features a flat, out-and-back course along the Brecon & Monmouthshire canal, starting and finishing at Llangattock, with a turnaround point at Gilwern. Designed for runners..

Black Cattle Ultra Gwartheg Duon is a two-distance mountain ultra in South Wales organized by Ridge Runners. Entrants can choose 44 miles (71 km) starting at Llanthony Priory in the Black Mountains, or 33 miles (53 km) starting in Abergavenny. Both routes follow the Cambrian Way to Cardiff, with Cas..

The Summer Green Man Ultra (GMU) is a challenging ultra marathon held near Bristol, UK, featuring two race distances: 45 miles and 30 miles. Both events run on the same course in a clockwise direction along the Community Forest Path, with the 45-mile race starting and finishing at Ashton Park School..

Run Winchcombe is a family-friendly running event held at the historic Sudeley Castle in Winchcombe. It offers three race distances: a 1k for children under 11, a 5k for ages 11 and over, and a 10k for participants 16 and older. The courses feature scenic routes around the castle grounds, including..

The Pershore Plum 10k is a chip-timed, multi-terrain flat 10-kilometer race held in Pershore, Worcestershire. Starting at Pershore Leisure Centre, the course runs through the town’s High Street, crosses the river, and winds through the surrounding countryside near Wick before finishing in Abbey Park..

Machen Mountain Race is a 7 km fell race with 365 m of ascent, held near Machen. Registration takes place at Machen Welfare Ground on Tyn-Y-Waun Road, CF83 8LA, with the start/finish on Church Street. The entry fee is £7 on the day, and the age limit is over 18.The course traverses steep, loose, une..

The Spunch 4 Milverton will take place in Milverton on Wednesday 27 August 2025. You can run between 60 and 90 text.unit_min.

The Mendip Marauder is a challenging ultra running event held in Somerset, England, featuring two distances: a 30-mile and a 50-mile race. The 50-miler covers the entire Mendip Way, starting in Frome and finishing at Uphill Sands Beach, while the 30-miler begins in Wells and follows the latter part..

Saturn Running's "Will Run For Ice Cream" event takes place in the scenic Dare Valley Country Park, Aberdare, Wales. This inclusive 7-hour time challenge allows participants to run or walk as many laps as they wish on a well-maintained 4.37-mile (7km) loop, with shorter options for younger runners...

The Ross on Wye 10K Riverbank Run is a popular running event held in Ross-on-Wye, Herefordshire, featuring chip-timed 10K and 5K races along with a family fun run. The course is flat and multi-terrain, running alongside the scenic River Wye, incorporating river paths with grass and mud sections. The..

September 2025

The T184 is a challenging 184-mile self-supported adventure race following the River Thames from its source near Cirencester to the Thames Barrier in London. Participants navigate through scenic towns, villages, and iconic London landmarks, completing the course within 76 hours. The route alternates..

The Joust 12hr & 24hr is an off-road endurance race held at Top Barn Campsite, Worcestershire (WR6 6NH). The event features a 24-hour race (J24) and a 12-hour 50-mile challenge (J12), with the J24 open to solo runners, pairs, and teams, while the J12 is for solo competitors only. The course is a rou..

The Battle of the Borders is a trail running event held in the Shropshire Hills, offering participants a choice between a half marathon (13.1 miles) and a full marathon (26.2 miles). The race takes place in the scenic National Trust area of Carding Mill Valley near Church Stretton. The course is a s..

The Across Wales Walk is a classic challenge walking event held annually, now in its 62nd year. Participants walk or run a demanding 45-mile linear route across Wales, starting at Anchor Bridge on the English border near Clun and finishing at Clarach Bay near Aberystwyth on the Welsh coast. The cour..

The Andover Trail Marathon, held in North Hampshire at Kings Road, Enham Alamein, offers both a full marathon (26.2 miles) and a half marathon (13.1 miles) through scenic trails. The marathon route follows the Testway up to Coombe Gibbet, Hampshire's highest point, then returns via the Conholt estat..

Haytor Heller is a popular, well-established off-road moorland race run by Teignbridge Trotters on Dartmoor near Haytor Rock, Devon. The roughly 6-mile single-loop course climbs and descends through rugged open moorland, with two woodland sections (below Hound Tor and Haytor) and a stream crossing...