Trail Running Calendar Wales 2025-2026

Trails & Tarmac Backyard Ultra is held near Crickhowell in the Black Mountains, Powys. The course uses 4.2-mile loops of mixed trail and tarmac, with one gentle climb and a short steep section for a fast, runnable feel. The event follows an endless BYU format: each loop must be completed within one..

The Brutal Extreme Triathlon takes place in Llanberis, North Wales, starting at Lake Padarn. The event offers Canol (Half), Mawr (Full), Cawr (Double), and Triple distances, with a 1.25 km swim in Llyn Padarn, a 28-mile bike loop through dramatic Welsh scenery, and lake laps totaling about 5 miles,..

The 361° Abersoch Half Marathon takes place in the seaside village of Abersoch on Wales’ Llyn Peninsula. The 13.1-mile course is predominantly road-based, with a final kilometer along Abersoch Beach to a lively finish crowd. Runners pass through Llanengan, Llangian and Sarn Bach, with drink stations..

The Maverick X Series Afan Forest 2025 is a trail running event set in the scenic Afan Forest Park, South Wales. Offering four route options—Ultra (50 km, 1133 m elevation), Long (42 km, 970 m), Middle (25 km, 625 m), and Short (10 km, 232 m)—the course features a mix of hard-packed gravel trails an..

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

Pumsaint Trail Half Marathon, held at Pumsaint village hall in Llanwrda, United Kingdom, is a scenic, hilly half marathon set in the Cothi valley. The event also features a 6.5-mile fun run and children’s races on an approximately one-mile woodland course with single-track paths. The atmosphere emph..

The Town to Tower 10K is an uphill race starting in the market town of Ruthin, North Wales, and finishing at the summit of Moel Famau, the highest point in the Clwydian Hills. This challenging 10-kilometer course ascends to the Jubilee Tower at over 550 meters above sea level, offering stunning view..

RTT Margam 10k & 5K is organised by Aspire X Events and takes place at Margam Country Park, Margam, Neath Port Talbot, SA13 2TJ on 28/09/2025. The event offers the following distances: 5K 10K The 10K route is a repeat of the 5K lap. The race starts near the East Lodge Car Park within Margam C..

The Gower Ultra 50, Ultra Bach & Trail Race, organized by Run Walk Crawl, takes place on the Gower Peninsula in Wales, following the Wales Coast Path through the Gower AONB. Three distances are offered: 50 miles (Gower Ultra 50), 34 miles (Gower Ultra Bach) and 23 miles (Gower Trail). The course sta..

The Loop Ultra is a 32-mile (50 km) trail running challenge set in the remote Cambrian Mountains of Mid Wales. The route starts and finishes at Camp Plas near Dolanog, Welshpool, winding through forests, trails and ancient paths toward Lake Vrynwy, with sweeping views toward the Shropshire Hills and..

The Breidden Hills Race, organized by Mercia Fell Runners, is a challenging fell running event set in the scenic West Midlands. Participants will tackle a distance of 11.5 km with a total ascent of 790 meters, making it a demanding course for runners. The race requires pre-registration and is open t..

Rad Dau Gopa Aberystwyth Twin Peaks Race is a mixed-terrain running event based on Aberystwyth Promenade, with start and finish at the Bandstand. The race features a two-peak circuit that climbs Pen Dinas and Constitution Hill. The Senior course covers about 11.7 km (7.3 miles) with around 237 metre..

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

Loggerheads Autumn Trails is an exciting running event featuring longer versions of popular 5k and 10k races, set in the scenic Loggerheads Country Park. Participants can choose from a 14k race, which consists of two loops of a 7k course, or a 7k Canicross discipline, welcoming runners of all abilit..

The Brenig Way 50K Trail Race is a challenging ultramarathon that covers 50 kilometers through remote upland scenery in Wales. Starting in Corwen, participants follow a marked footpath along country lanes, forest tracks, and riverside paths, crossing notable landmarks such as Clocaenog Forest and Ll..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races take place at Chepstow Racecourse in the UK. The event features a variety of distances including a half marathon, 8-mile and 4-mile trail runs, as well as 4-mile and 8-mile steeplechase obstacle course races. The trail races..

The Giddy Horse Backyard 2025 is a running event held at Chepstow Racecourse, UK, featuring races around Piercefield Park. The course is a 4.167-mile loop combining woodland, parkland, and tarmac trails, mostly flat with gentle elevation changes. The event offers solo races of 8-hour (33 miles) and..

Black Beacon Mountain Races are long-distance mountain trail events crossing the Black Mountains and Bannau Brycheiniog (Brecon Beacons) National Parks in South Wales, south to north. Four distances: 100 miles (+7500m), 50 miles (+3750m), 50 km Ultra Bach (+2200m), and 21 miles (+1200m). The 100-mil..

OTT Ultra Marathon is a 30-mile trail race through the Brecon Beacons in South Wales. Based around Merthyr Tydfil, the course begins near Cyfarthfa Castle and follows the Taff Trail before diverging onto riverside trails toward the Beacons Reservoir. The route climbs to Pen y Fan, the region’s highe..

Twmbarlwm Terror is a 7-mile multi-terrain race organised by Fairwater Runners Cwmbran in Risca, near Newport, South Wales. The route combines footpaths, open fields, country lanes and woodland from Risca Leisure Centre to the Twmbarlwm peak and back, with around 1,000 feet of total ascent. Now in i..