Trail Running calendar near Gwynedd 2026-2027

A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails, led at a steady pace with regular regrouping stops; organised by OutFit with standard and member entry options.

A series of mountain trail races across the Black Mountains and Brecon Beacons offering four distances from 21 miles to 100 miles. Routes combine marked sections, GPS navigation and staffed checkpoints with mountain safety cover.

Pilgrim 6 on 31 October 2026 is a 32 km, 1800 m fell event on Pen y Fan with three summit ascents via six different routes; it has classic and 16 kg weighted categories, unmarked navigation, and marshalled control points.

A nighttime trail race at Delamere Forest with a Spooky Halloween fancy dress theme. Options include a 10k single lap or a Half Marathon two lap course with a glow in the dark finisher medal and event photos included.

An evening Halloween 5k at Herons Reach, Blackpool on 31 October 2026 featuring a multi-terrain park route with themed sections, compulsory head torch, glow-in-the-dark finisher medals and age-category awards. Pre-booking is required and fe..

A trail Half Marathon and 10K on Anglesey on 1 November 2026, with routes through Newborough Forest and along Llanddwyn Beach offering views across the Menai Strait to Eryri. The event includes marked courses, marshals, an event village and..

A trail running event at Sankey Visitors Centre in St Helens on 1 November 2026, organised by St Helens Striders. Places are limited to 250, entries open 1 December 2025 and require a SiEntries account; minimum age 15.

An eight-day running series in Telford from 1 to 8 November 2026 where each day is a separate race. Runners may enter any combination of days and choose from 8 miles, 16 miles, a metric marathon or a full 26.2 mile marathon.

A community canicross event at Mere Sands Wood on 1 November 2026, featuring a timed one mile run or walk and an optional 2.5 km social run. The route uses mostly flat woodland trails and onsite facilities include a visitor centre and cafe.

Night fell race at Llandegla Forest covering 6.4 km with 229 m of climb. Entry is £5 on the day and runners must carry compulsory kit including a headtorch with at least two hours of light.

A 6 mile out and back fell race with 1900 feet of ascent around Rhobell Fawr, starting and finishing at Llanfachreth village hall. It opens the Meirionnydd Winter Race Series and requires full WFRA kit and fell shoes.

An annual November trail race organised by Billinge Running Club on a mapped, marshalled **5-mile** route over varied, sometimes muddy terrain. Registration and bag drop are at The Delph Tavern with parking at Up Holland High School.

Experience the Pen Llyn Ultra Winter Edition in November 2026. This Coast 2 Coast event offers a 37.5 mile solo ultra-marathon or a team entry for groups of four through a scenic winter landscape.

A fell race from Cilcain Village Hall over 15.7 km with around 950 m of ascent, requiring navigational skills and prior experience; facilities include toilets and refreshments, and team entries have no charge.

Held in Porth Penrhyn, Bangor on 14-15 November 2026, Slate Trail Ultra offers two trail races of 147 km and 80 km along the Snowdonia Slate Trail with substantial elevation gain and organised aid stations.

A guided 55 km route on Anglesey visiting three of the island's highest tops, with over 2000 m of ascent across coastal and inland trails. The day is split into five sections with checkpoint support, guides, a wooden medal and certificate.

A 40 mile trail ultramarathon circling Warrington anticlockwise and starting and finishing in Lymm on 14 November 2026. Options include solo, pair or 4 person relay, with checkpoints and a hot meal at the finish.

An 8.8 km fell race with 714 m of ascent around Llyn y Fan across remote moorland, requiring navigation and mountain skills. Limited to 50 runners, with entry refunds for car share and cyclists.

A 16.1 km fell race from Capelulo with about 594 m of ascent on partially marked terrain where navigation and experience are required. Entry is online only with a £12 fee and participants must be over 18.

A six hour timed event at Stanley Park on 15 November 2026 supporting Breakthrough T1D. Runners use a 3.1 mile loop to build half marathon marathon or ultra distances, with drinks snacks and medals for finishers.