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.

The Holly Challenge is a multi-distance race organized by How Hard Can It Be Events, held at Burroughs Bank, Lightmoor, Telford, TF4 3QS, within the Lightmoor Nature Reserve. Runners can choose 5K, 10K, half marathon, or marathon distances. The course follows scenic lanes around Lightmoor, offering..

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

The Anglezarke Amble Challenge is a winter moorland challenge event on Saturday 14 February 2026, based at Rivington Village Hall (BL6 7SE). The event offers two route options for walkers and a long route for runners. The official time limit for both routes is 10 hours. Entry fees listed are £12.00..

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..

Chester Ultra 50 is a 50-mile trail ultramarathon in Cheshire, with start and finish at Ellesmere Port Sports Village. The 2026 event marks its 10th anniversary and features 849m of ascent along the North Cheshire Way and the Sandstone Trail, passing Helsby Hill, Delamere Forest and Frodsham. The we..

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March 2026

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 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..

Back for its 5th year, Granny's Bay Challenge invites runners to Lytham St. Annes, starting at the Fylde Spitfire Memorial on the Inner Promenade. The flat, tarmac course runs 5.24 miles along the Ribble estuary and can be completed as many times as desired within a six-hour limit.A marathon distanc..

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..

Set in the Cambrian Mountains, Nant Yr Arian Silver Trail offers Half Marathon and 10k routes, with junior distances for younger runners (0.5 mile for under 7; 1.5 miles for 7–11; 2.6 miles for 12–16). The event is run by Aberystwyth Athletic Club as a not-for-profit, family-friendly affair with ful..

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 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..

April 2026

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 high-country sky-running challenge in Eryri’s Ogwen Valley, based at Plas y Brenin, Capel Curig. Runners choose from three demanding distances: 40km, 25km, and 15km, each threading epic mountain routes across the Carneddau Front Range and the Glyderau, with the highest..

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MTC Gelert is a 47-mile ultramarathon from Barmouth to Llanidloes in mid-Wales. Day 3 of the Mount to Coast End to End Challenge and CYMRUN, the route stays largely on National Cycle Route 8, finishing with a short final stretch into Llanidloes. The event embraces a cup-free, self-supported ethos, w..

Chester Ultra 100 is a 102-mile ultramarathon held in Chester, run by GB Ultras. The route climbs about 1590 metres and follows the Sandstone Trail, the Marches Way by the River Dee, Helsby Hill, Frodsham, Beeston Castle, Delamere Forest and the Bridgewater Canal, with 12 checkpoints along the cours..

Shropshire Way 80K Festival is a multi-route trail event run by the Shropshire Hills Discovery Centre in Craven Arms, Shropshire. On 18 April 2026, participants can choose from four routes: SW80K (50 miles, 24-hour limit), Mammothon (26 miles, 12 hours), Half Mammothon (13 miles, 6 hours) and Tusker..

The North Wales 50km & 100km is a scenic ultramarathon event along the North Welsh coastline, starting at the Nova Centre in Prestatyn and finishing in Bangor. The 50km route covers 53.8km with 2,700ft of ascent, reaching the beach at West Shore, Llandudno. The 100km course follows the entire North..