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.

Brynkinalt Running Festival, held on the Brynkinalt Estate near Chirk, Wrexham LL14 5NS. Distances offered: about 5k and 10k. The event spans a weekend with canicross on Saturday and trail running on Sunday.Race HQ at the front of Brynkinalt Hall; parking on the estate (£3). The course winds through..

The Beast of the Blacks is a trail running event held on Saturday 14 March 2026 from Llanbedr Hall, Nr Crickhowell, Powys (NP8 1SR). The event offers three marked routes with GPX files available: 11 miles / 17 km 20 miles / 32.5 km 40 miles / 65 km Minimum age to enter is 17. Entry fees listed ar..

The Nant Yr Arian Silver Trail Races take place on 14 March 2026 at Nant Yr Arian in the Cambrian Mountains. The event is organised by Aberystwyth Athletic Club and is the ninth edition. Routes are in mountain terrain, fully signed and waymarked, with marshals and GPX files available as backup. The..

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..

The Moo-rathon, Calf and Hen K is an exciting running event hosted by Zig Zag Running at Hyde Hall Farm, Buntingford. Celebrating its third year, participants can choose from various distances, including 10k, Half Marathon, Full Marathon, and Ultra Marathon. The scenic route starts at the farm's bas..

Red Warrior’s Annual Multi Terrain Races take place at Margam Country Park. The event offers 5K, 10K and 20K distances, with separate races for Canicrossers and solo runners. Now in its 6th year, the race emphasizes a varied, challenging course across Margam’s terrain.The next edition is scheduled f..

Set in the Forest of Dean, the Spring Trails Half Marathon is a multi-terrain trail race organized by the Rotary Club of the Royal Forest of Dean, with Forestry Commission support. The route begins on the road adjacent to the Speech House Hotel, then winds through well-maintained forest trails with..

The Moel Famau Easter 'Piece of String' Race is a fun and inclusive outdoor event held at the start of the Easter holidays. Participants can enjoy a scenic run on the region's popular hill, with routes ranging from 6 to 12 kilometers that are well-marked and marshalled. The race features hilly terra..

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..

Ultra In The Black Country returns for its ninth year, starting and finishing at Baggeridge Country Park near Dudley, West Midlands. The 32-mile loop can be run solo, in a pair, or as a team of four. The scenic, urban course is 97% traffic-free, largely along disused railway lines and canal towpaths..

April 2026

The Dyfi Half takes place in Aberdyfi on Sat 04 Apr 2026. The event offers a half marathon and a marathon (run as two laps of the half). The half is an Index Race in the UTMB 20K category. The first 20 places are offered at an early bird price. Results for recent editions are published on the UTMB..

UTMB Index

Chasewater Easter Egg Challenge is an annual multi-distance running event around Chasewater Country Park in Burntwood, Staffordshire. Runners can choose from 20k, 15k, 10k, 5k and a Junior Run, with routes described as multi-terrain and undulating around the scenic Chasewater Reservoir. The event is..

The Pendine Sands Races take place on 5 April 2026 at Pendine Sands, with start and finish next to Barnacles Cafe, Sea View, Pendine, SA33 4NY (what3words ///steepest.daisy.leafing). Distances offered: 5k 10k Half Marathon Marathon Ultra (listed ultra distance: 32.8 miles) Entry fees are stated a..

Vale Coastal Races is the Vale of Glamorgan Ultra and Coastal Races, three trail distances along the Vale of Glamorgan coast in south Wales. The Ultra covers 32.5 miles along the Wales Coast Path from Penarth Pier to Ogmore-by-Sea; the Vale Trail 18.5 (mini Ultra) runs from Porthkerry Park, and the..

Aspire X Events will stage the RTT Gower Trail event on 11/04/2026 at Oxwich Bay, Swansea, Wales (SA3 1LS). It is the first event of the 2026 Run The Trails Series. The event includes chip timing, a finisher's medal, water stations and checkpoints, and event facilities. An award ceremony is planned..

The Summit 2 Sea - Offa's Dyke Half Marathon is a challenging spring race covering approximately 13.8 miles from the summit of Moel y Parc to the coast at Prestatyn. Runners will ascend over 2,450 feet, starting at over 1,300 feet above sea level, along the scenic Offa's Dyke National Trail. The cou..

The Llangollen Fell Race, hosted by Run Free Fell Runners in North Wales, is a popular annual event featuring two scenic routes: a challenging 17-mile course with 3000ft of elevation and a shorter 10-mile route ascending 1969ft. Both start at Dinas Bran Leisure Centre and offer stunning views of Tre..

Ogwen | Yr Helgi Du 2026 is a mountain trail running event organised by Always Aim High Events. It takes place at Plas y Brenin, Capel Curig, Betws-y-Coed, UK, on 12 April 2026. The event offers the following race distances: 40K 25K 15K Races run through the Ogwen Valley in Eryri and use mountai..

UTMB Index

Wild Horse 200 South Wales is the home of 200-mile racing in Wales and a life-changing ultra marathon traversing the wilds of South Wales. The route threads iconic Welsh trails, starting in Chepstow and finishing at Worm’s Head, and links Offa’s Dyke with the Beacons Way before catching the Heart Of..

The MTC Gelert is a single-day ultra race on 16th April 2026. The event distance is 47 miles and it is the third day of the MTC CYMRUN six-day end-to-end of Wales. All finishers receive a bespoke Gelert medal. Male and female champions receive bespoke trophies. This is the first edition of the MTC..