Trail Running calendar near Narberth 2025-2026

We have found 83 Trailruns within 80 miles of Narberth. See below where and when you can find the races.

The Beacons Ultra is a challenging trail running event held in November in Talybont-on-Usk, Powys, at the foothills of the Brecon Beacons, Wales. It features three race distances: a 49-mile ultra consisting of two loops plus an out-and-back to Pen y Fan, a 26-mile marathon following a single loop of..

Endurancelife Gower offers a series of trail running events including 10K, half marathon, marathon, and ultra distances set in the stunning Gower Peninsula, the UK's first designated Area of Outstanding Natural Beauty. The courses traverse diverse and challenging terrain such as cliff tops, woodland..

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The Trails & Tarmac 12hr Backyard Ultra is a challenging endurance running event held near Crickhowell in Powys, UK, set in the scenic Black Mountains. The race features a 4.2-mile loop combining equal parts trail and tarmac, with mostly flat terrain, one gradual climb, and a short steep section, pr..

The Margam Trail Races, organized by Trail Revolution, will take place in Margam Park on November 15, 2025. This event features a variety of race distances, including 5km, 10km, and a half marathon, designed to challenge participants on the park's scenic forest paths and woodland trails. The course..

Dusk Till Dawn The Winter Edition is a challenging 12-hour running event held at Bridgend Miniature Railway in South Wales. Participants tackle three distinct 10-mile mixed terrain routes, aiming to complete as many loops as possible from dusk until dawn. The course features varied terrain including..

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers...

The Smurf Run in Aberdare, Wales, is a unique 7-hour time challenge event hosted by Saturn Running at the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps of approximately 7km (4.37 miles) on well-maintained footpaths offering beautif..

The Combe Crawler is a challenging 8.5-mile (13.6 km) cross-country race held annually in Ilfracombe, North Devon. Known for its hilly terrain, the course features steep coastal paths and stunning countryside views, making it a true test of endurance for runners of all abilities. The race typically..

December 2025

The Secret Santa Series is a festive trail running event held in the Brecon Beacons National Park, starting and finishing at Cwmdu Village Hall, Powys. It offers three challenging distances: 14 km (Figgy Pud), 10 miles (Turkey Ten Mile), and a half marathon (Du Mulled Wine), with significant elevati..

The Secret Santa Tinsel Half Marathon, part of the Secret Santa Figgy Pud 14km, Turkey Ten Mile & Half Marathon Du Mulled Wine event, takes place in the scenic Black Mountains near Crickhowell, Powys, starting from Cwmdu Village Hall. Set within the Brecon Beacons National Park, the half marathon fo..

The Celtic Trail Races, held annually at Dare Valley Country Park in Aberdare, South Wales, offer a festive trail running experience with three distances: a 34-mile ultra, a 26-mile marathon, and a 13-mile half marathon. The routes traverse the Afan Forest, Rhigos mountain range, and the Coed Morgan..

The Nightmare Before Xmas Trail ½ Marathon is a challenging trail running event held at the Bridgend Miniature Railway Centre in Bridgend, UK. Participants face a tough course starting with the "Hateful Eight," an 8-mile route featuring mixed terrain including a steep hill, scenic road sections, and..

The Christmas Carol Bobble Hat Run, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This inclusive event welcomes runners and walkers of all abilities. Participants can choose their distance within a 7-hour time challenge, with a minimum of 3km and..

The Midwinter Mortimer Trail is a challenging trail running event held in Herefordshire, England, featuring two main distances: a 30-mile ultra and a 15-mile Croft 15 route. The ultra course runs from Ludlow Castle to Kington, traversing the scenic Marches landscape with forests, limestone tops, hil..

January 2026

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it an ideal choice for both experienced runners and newcomers...

Saturn Running's "Spice Up Your Run - Wales" is a fun and inclusive running event held at Dare Valley Country Park in Aberdare. Participants can walk or run a minimum of 3km, with options to complete laps of approximately 7km each, allowing distances up to 50km, including half-marathon, marathon, an..

February 2026

The Trails & Tarmac Backyard Ultra, organized by Limitless Trails, is an endurance running event held near Crickhowell in the Black Mountains, Powys, UK. The race features a 4.2-mile (approximately 4.17 miles in some editions) loop combining equal parts trail and tarmac, with mostly flat terrain, on..

March 2026

The Brecon to Cardiff Classic is a 70-kilometer ultra running event held annually in Wales, following the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Nantgarw near Cardiff. The fully marked, one-way course showcases diverse landscapes, starting with dramatic mountain scenery..

The Brecon to Cardiff Xtreme is a challenging 47.5-mile (75 km) winter mountain ultramarathon held in Wales, running from Brecon to Cardiff over 11 peaks including Pen Y Fan, the highest peak in South Britain. With approximately 2,680 meters of ascent, the course demands excellent winter mountain ru..

The St David's Day Dragon Run 2026, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This 7-hour time challenge allows participants to run distances of their choice, starting from a minimum of 3km. The course features well-maintained footpaths with..