Trail Running calendar near Portishead 2025-2026

The MTC Thames Challenge is a four-day ultra endurance event from August 6–9, 2026, starting at Kemble Station in the Cotswolds (GL7 6AW). The 184-mile course unfolds across four stages, featuring four unique Ultra events: The Cotswold Ultra, The Oxford Ultra, The Windsor Ultra, and The Richmond Ult..

The MTC Cotswold Ultra is the opening day of The Thames Challenge, based at Kemble Station (GL7 6AW). This UKA-sanctioned running event is a self-sufficient ultramarathon with solo entry (£90). The route follows the Thames Path from Kemble to the river’s source, then returns via Wysis Way and along..

The MTC Oxford Ultra is an ultra-distance running event in Oxford, serving as Day 2 of The Thames Challenge. The venue is the Travelodge Oxford on Abingdon Road (OX1 4XG). A key feature is self-sufficiency: competitors must carry mandatory gear, including a backpack, head torch with spare batteries,..

Two Tunnels Races takes place in Bath, UK, with start and finish at Brickfields Park. The event offers a wide range of distances—from 500m Colourburst up to 50km, plus marathon, half marathon, 10km, 5km, 2km, and 5km Colourburst heats—creating a family-friendly lineup. A standout feature is the cour..

The Summer GMU 2026 is an ultra running event featuring a challenging 45-mile loop around the City of Bristol. Held at Aston Park School, the race offers participants a unique opportunity to experience the scenic urban and natural landscapes of Bristol. The event includes options for a full 45-mile..

The RIDUM is a 30-mile ultra marathon held in South East Wales, following the Rhymney Valley Ridgeway Walk. This challenging trail run features 4,252 feet of elevation, taking participants across ridge tops around the Caerphilly basin with stunning views of the surrounding landscape. The route inclu..

Jurassic Coast Ultra Run is a 30-mile guided trail run along the Jurassic Coast and Isle of Purbeck, starting and finishing at Knoll Beach, Studland, Dorset. Organized by Running Adventures, it is a hilly route with about 4600 ft (1400 m) of elevation—not a race but a group experience suitable for w..

Dawn Two Dusk: Day Light Robery is a 12-hour night-to-day trail running event in Bridgend, South Wales, organized by Mad Running Junkies. Based at Bridgend Miniature Railway (Fountain Road, Aberkenfig, Tondu, CF32 9BZ), it features three roughly 10-mile routes that participants aim to complete as ma..

The Medal Mix Challenge Day 1, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on November 28, 2026. This 7-hour timed event features a scenic 5.3 km out-and-back course on an old disused train line, fully paved and accurately measured as a road race. Suitable for..

The Medal Mix Challenge Day 2, organized by Running Events Devon, takes place on Sunday, 29th November 2026 near Capel Lane, Littleham, Exmouth. This 7-hour timed event welcomes runners and walkers of all abilities to complete as many 5.3 km laps as possible on a scenic, undulating, and accurately m..

Nightmare Before Xmas Trail ½ Marathon is a trail running event at the Bridgend Miniature Railway Centre in Aberkenfig, near Tondu, Bridgend (CF32 9BZ). The course blends an 8-mile “Hateful Eight” segment with roughly five more miles of mud, water and a hill-heavy forest section for a half-marathon..

The Birmingham Black Country Half Marathon is a running event held in the Black Country region near Birmingham. Organized by StuWeb Events Ltd., the race covers the half marathon distance of 13.1 miles. While specific details about the course and atmosphere are not provided, the event typically attr..