Trail Running calendar near Llanberis 2025-2026

We have found 87 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

Corvedale Cake Walk is a Marches LDWA challenge walk starting at Holdgate Church, near Much Wenlock, Shropshire. It offers two routes, 22 miles and 10 miles, both returning via the Jack Mytton Way. The longer route climbs to Abdon Burf, the highest point in Shropshire, with the circuit continuing ov..

May 2026

Welsh 3000's Ultra Run is a guided mountain day in Snowdonia, North Wales. The route covers roughly 30 miles (about 50 km) with around 4,000 meters of ascent across the 15 Welsh 3,000-ft peaks, including Snowdon, the Carneddau and the Glyderau, and features the awe-inspiring Crib Goch traverse. It i..

The HOWUM 2026 is a 30-mile ultra in mid-Wales, starting and finishing in Llanidloes. The route forms the Heartlands of Wales circular, merging four trails—the Sarn, Glyndwr’s Way, Severn Way and Wye Valley Walk—toward the source of the River Severn and back, with no time limits. Runners pass landma..

The Sheinton Steeplchase is a 5.3 km cross-country race held near Sheinton Church by Cressage in the West Midlands. Featuring a total ascent of 100 meters, it offers a challenging yet accessible course that is not a traditional fell race but still highly regarded for its competitive and enjoyable na..

PFW Running's Brockholes Bimble is staged at Brockholes Nature Reserve in Preston. The event offers 10K, half marathon, marathon and ultra distances, with a multi‑lap course around the reserve. Runners traverse paths that circle several lakes, the River Ribble, and woodlands.The 10K is one lap plus..

24 Hours South - The Offa's Dyke Ultra is a challenging 24-hour endurance event starting from Prestatyn on the North Wales coast, following the Offa's Dyke National Trail southwards. Participants, either solo or in teams of 2 to 4, aim to cover as much distance as possible along this scenic and dema..

PFW Running presents the Cottam Canter at the UCLAN Sports Arena in Cottam, Preston. Distances are offered on one course: 5K loop; 10K as two loops; half marathon as four loops plus a short out-and-back; marathon as eight loops plus a short out-and-back; and an ultra with unlimited laps within a six..

Avenham Amble is a multi-distance running event in Preston’s parklands, centered on Avenham Park by the River Ribble. The programme offers 10K, half marathon, marathon and ultra distances. The course runs on hard-surface paths through Avenham Park, Miller Park and Upper Farm Nature Reserve & Leisure..

Ultra-Trail Snowdonia by UTMB is part of the UTMB World Series. The event takes place in Eryri Snowdonia, North Wales, and is scheduled for 15 - 17 May 2026. The races run on trail terrain with large amounts of elevation gain. The event page notes the 2025 edition involved more than 2,800 runners f..

UTMB Index

The Tatton Park Wild Trail Runs take place on 31 May 2026 at Tatton Park in Cheshire. The event is held on mixed terrain: trail paths, grass, woodlands and some tarmac. Canicross entrants are welcome. All finishers receive a medal, Wild Deer merchandise, a snack and a drink. 10 km Half Marathon (..

June 2026

Ultra Wales 50 is a 51-mile mountain and trail ultra staged by GB Ultras, based at Coed-y-Brenin Visitor Centre near Dolgellau in southern Snowdonia. The route climbs about 2898m and visits Cadair Idris and Rhinog Fach, plus Dolgellau, the Barmouth estuary and the Coed-y-Brenin forest. The race feat..

Lake Vyrnwy 10k is a trail/multiterrain running event on the Lake Vyrnwy Estate near Llanwddyn, Powys. The 10-kilometre route traverses private land on the estate and is not advertised to respect landowner wishes, offering lake views with a mix of fast footpaths, grassy sections, rocky stretches and..

The Lake Vyrnwy event is a trail, multi-terrain race of approximately 10k set around the Lake Vyrnwy estate. The route stays on private land in Llanwddyn and includes a mix of fast footpaths, grass, stony sections and short stretches of tarmac. The course features climbs and fast downhill sections..

Welsh 3000's Ultra Run is a guided, non-race day in Snowdonia, North Wales, covering the 15 Welsh 3,000 ft peaks—including Snowdon, Carneddau and Glyderau—with the Crib Goch traverse. The route is about 30 miles (50 km) with around 4,000 m of ascent. It is a guided mountain run that removes logistic..

July 2026

July the Turd, organized by How Hard Can It Be Events, is a playful running event set in the Ironbridge valley of Shropshire. Distances offered are 8 miles, 16 miles, or a marathon. The marathon is run as three laps, with the half (ish) marathon in two laps, and an 8‑mile option also available.The c..

The Severn Challenge, also known as The MTC Severn Challenge, is Ultra Running Ltd's flagship five-day multiday ultra along the River Severn. It covers about 220 miles from the Hafren source to the Severn’s mouth, split into five stages: Hafren (26 miles), Severn Plod Ultra (47), Severn Path Ultra (..

The MTC Hafren Ultra is Day 1 of the MTC Severn Challenge, a Wales-based point-to-point ultra. The 27-mile route begins at Rhyd-y-benwch picnic area near Llanidloes, climbs to the Severn’s source on Plynlimon through boggy, exposed terrain, then follows Britain’s longest river path back to the finis..

The MTC Severn Plod Ultra is a 48-mile point-to-point ultramarathon starting at the Mid Wales Art Centre, Maesmawr, Powys. The route initially runs away from the River Severn, then rejoins at Dolerw Park, passing the Gorsedd stone circle and Newton’s Eisteddfod site before following the Severn towar..

The MTC Severn Path Ultra is a 60-mile point-to-point ultramarathon organized by Ultra Running Ltd. It starts at The Premier Inn, Shrewsbury, and finishes at Travelodge Worcester, tracing a river-hugging route that passes landmarks such as Atcham, Cressage, Buildwas, Ironbridge, Jackfield and Coalpo..

Black Diamond Yr Wyddfa | Snowdon24 2026 is a 24-hour ultra trail challenge based at Y Ganolfan, Llanberis, in Eryri (Snowdonia) National Park. The course uses Yr Wyddfa (Snowdon), which reaches 1,085 m (3,560 ft). Participants aim to ascend and descend the mountain as many times as possible within..