Trail Running calendar near Hafren Forest 2025-2026

We have found 189 Trailruns within 80 miles of Hafren Forest. See below where and when you can find the races.

The 12 Drummers Drumming Run is part of a 12 Days of Christmas race series and takes place on 18 December 2025 at Pengethley Manor, Ross-on-Wye (what3words: physical.growth.shelf). The route is off-road and runs entirely within the grounds of the manor. Each lap is 2.5k and the course includes a hi..

The Moel Famau Festive 'Piece of String' Race is a unique running event held on the last Saturday before Christmas at Bwlch Penbarras. Participants can expect a surprise distance and route, ranging between 6 and 12 kilometers, which will be revealed as the race progresses. The event includes a Canic..

A Nightmare Before Xmas Trail ½ Marathon is scheduled for 20 December 2025 at Bridgend Miniature Railway Centre, Fountain Road, Aberkenfig, Tondu, Bridgend CF32 9BZ. Entries open 27 December 2024 and close 14 December 2025. The event limit is 50 participants and the minimum age is 17 on the event d..

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..

Midwinter Mortimer Trail (MMT) is a self-navigating endurance event by Andali Events in the English Marches. It offers two routes: a roughly 30-mile Ultra and a 15-mile Croft course, tracing the Mortimer Trail from Ludlow Castle to Kington, Herefordshire. The route blends trail, field and road throu..

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..

The Holly Challenge is a running event by How Hard Can It Be Events held on the lanes of Lightmoor, Telford, within the Lightmoor Nature Reserve. Runners can choose from 5K, 10K, half marathon or marathon distances. The course runs along scenic rural lanes, delivering a compact, friendly race atmosp..

The Icing on the Cake is a trail running event held in the scenic Shropshire Hills, starting and finishing at Carding Mill Valley near Church Stretton. Participants can choose between a half marathon (13.1 miles) featuring one loop through rugged countryside, or a full marathon (26.2 miles) which in..

February 2026

DirtRun Dudmaston 10k takes place on 1 February 2026 at Comer Woods, part of Dudmaston Estate. The event uses an off-road route around tracks and trails in Comer Woods and covers 10 km. All finishers receive a medal and finish goodies. Category prizes are awarded to the first three runners in each..

The Cannock Chase Forest race offers runners a choice of 20, 15, 10, or 5-mile trail distances through the scenic and undulating forest paths of Staffordshire. Known for its beautiful and challenging course featuring hills, the event suits all abilities, from novices to seasoned athletes, making it..

Trails & Tarmac Backyard Ultra – Winter takes place near Crickhowell in Powys, Wales, inside the Black Mountains. The course uses a 4.167-mile loop, a 50/50 mix of trail and tarmac, with one gradual climb and a short steep section; the rest is flat for speed. It’s an open-ended Backyard Ultra where..

The Winter Railway Ultra is a multi-distance trail race staged along the River Severn, on a disused railway line between Ironbridge and Bridgnorth, near Coalport, Telford. Runners can choose from 9 miles, 13.1 miles (half marathon), 19 miles (three-quarters marathon), 28 miles, or 37 miles. Each out..

The Chester Ultra 50 is a 50-mile trail ultra held in the Chester area with 849 m of ascent. The event takes place on 28 February 2026 and is held under UKA and Trail Running Association permits. The route links sections of the North Cheshire Way and the Sandstone Trail and passes through Delamere..

UTMB Index
March 2026

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..

Cloud 9 Hill Race, organized by Congleton Harriers, is a scenic 9-mile (14.5 km) off-road hill race from Congleton to the summit of Bosley Cloud (1125 ft) and back via the Bridestones. The mostly forested course climbs about 1250 ft (381 m) of ascent and is run under FRA rules, with chip timing and..

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..

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 Hateful 8 Ultra Loop is an ultramarathon challenge staged near Bridgend, South Wales, at the Bridgend Miniature Railway in Aberkenfig. Runners tackle a 9-mile loop and aim to complete as many laps as possible within an eight-hour window. The mixed-terrain course includes a challenging hill, a sc..

The Loggerheads Trail 5k & 10k is a popular trail running event set to take place in March 2026 at Loggerheads Country Park. Participants can choose from three race options: a 5k Trail, a 5k Canicross Trail, and a challenging new 10km route. The courses feature a variety of terrains, including river..