Trail Running calendar near Abergavenny 2025-2026

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between a 5km or 10km race, with routes that showcase the beauty and diversity of the arboretum's landscape. The event is designed to..

Trails & Tarmac Backyard Ultra – Winter, organized by Limitless Trails, takes place near Crickhowell in the Black Mountains, Powys (GB). A 4.167-mile loop blends trail and tarmac, with one gradual climb and a short steep section; the rest is relatively flat for speed. Backyard Ultra rules apply: eac..

The Dalwood 3 Hills is a popular multi-terrain running event held in Dalwood, near Axminster, Devon. Returning in 2026, it offers three distances: a challenging 10-mile course featuring hills, mud, and river crossings; a 5km "Dalwood Dash" with similar terrain; and a new 3km "Dalwood Doddle" fun run..

The Winter Railway Ultra is a multi-distance running event held along the scenic banks of the River Severn between Ironbridge and Bridgnorth, UK. The course follows a disused railway line, offering outstanding river views and glimpses of the area's industrial heritage. Participants can choose from d..

Two Tunnels Races in Bath, UK, organized by Relish The Great Outdoors, offer a unique underground running experience alongside city scenery. The courses pass through the Devonshire Tunnel (408m) and the longer Combe Down Tunnel (1672m), both well-lit and surfaced as a shared-use path—the longest und..

The Ironwood Challenge, organized by Nailsea Running Club, is a trail race near Long Ashton, North Somerset. The six-mile course runs through woodland, fields and forest, with sections that are often muddy. It is fully marked and marshalled, and chip timing is included for the first year.Off-road sh..

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..

The Brecon to Cardiff Classic is a 70-kilometer ultra running race following the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Cardiff. Now in its 12th year, this fully marked, one-way race features diverse landscapes, including dramatic mountains, waterfalls, reservoirs, and..

The Imber Ultra is an annual trail running event covering over 33 miles, organized by Avon Valley Runners and the Rotary Club of Westbury. Held in the scenic Wiltshire area, the race offers a challenging course with multiple checkpoints, attracting trail running enthusiasts seeking a long-distance a..

Brecon to Cardiff Xtreme is a winter mountain ultramarathon, a 75-km linear challenge from Brecon to Cardiff (about 47 miles) with roughly 2,700–2,800 m of ascent, including 11 summits such as Pen y Fan, Cribyn and Fan y Big. The Taff Xtreme Marathon is the second half, a 26.2-mile leg from Merthyr..

The Winter GMU is a challenging ultra marathon held annually around the City of Bristol, featuring 30- and 45-mile distances on a scenic loop following the Community Forest Path. The winter edition runs the course anti-clockwise, often presenting muddy and tough conditions, contrasting with the firm..

The Hateful 8 Ultra Loop is a multi-loop endurance running event held at Bridgend Miniature Railway in Aberkenfig, Bridgend, South Wales. Each loop covers about 9 miles, and participants aim to complete as many loops as possible within an 8-hour window. The course is a mixed-terrain route featuring..

The Nant Yr Arian Silver Trail Races take place in the Cambrian Mountains near Aberystwyth. Runners choose between a Half Marathon and a 10k, with junior options of 0.5 mile, 1.5 miles, and 2.6 miles. The courses offer challenging, varied terrain and spectacular scenery, suitable for both newcomers..

Saturn Too presents The Dashing Dog Charity Run - Wales at Dare Valley Country Park in Aberdare. This inclusive seven-hour time-challenge allows runners to complete as many laps as they wish, with a minimum 3 km per lap and a full lap around 7 km on paths, subject to safety changes. The scenic cours..

Forest of Dean Spring Trails Half Marathon is a race in the Forest of Dean, starting on a road near the Speech House Hotel and finishing there again after a loop through forest trails. The official distance is 13 miles 192.5 yards. The course is multi-terrain, with gentle inclines and is fully signp..

The Red Warrior Annual Multi Terrain Races take place at Margam Country Park in the UK, offering challenging 5K, 10K, and 20K distances. The event features separate races for solo runners and canicross participants, allowing runners to compete alongside their dogs. Known for its rugged and varied te..

The Elephant Challenge is a 6-hour running event held at the award-winning Salcey Forest near Northampton, England. Participants run multiple laps of a 3.5-mile off-road loop through well-maintained forest paths, mainly on crushed stone and forest floor, with no asphalt. The event welcomes all abili..

Bath 50 Challenge, part of the Ultra Challenge series, takes place in the City of Bath with start and finish at Bath Racecourse Basecamp. Participants can choose a 50 km loop (about 1,000 m ascent), a 29 km loop (650 m), or a 10 km loop (~200 m). The course loops around Bath, offering panoramic view..

Beyond Bristol, the Bristol Trail & Ultra by Beyond Trails offers two distances: a 25km Trail and a 55km Ultra, starting and finishing at Museum Square in central Bristol (BS1 4RN). The course travels off tarmac through woodland, riverside paths, parks, and disused railways, with highlights such as..

Combe Gibbet to Overton is an annual running race hosted by Overton Harriers, taking participants from the historic Combe Gibbet toward Overton. The page highlights a celebratory atmosphere, thanking runners, supporters, and volunteers for a fabulous event. Distances are not listed on the informatio..