Trail Running calendar near Calne 2025-2026

South West Coast 50 Ultra Challenge, part of the Ultra Challenge Series, runs along the South West Coast Path and Exmoor, with start and finish at the Dunster basecamp near Dunster Castle. The event features a 50 km loop with about 1,600 m of climb, plus 25 km and 10 km options. The course includes..

Pen Y Fan Challenge is a two-race trail event in the Brecon Beacons, near LD3 8NL, South Wales. Runners choose either a 5-mile or 13-mile route, both climbing to Pen Y Fan, the highest peak in the region. The trail features a signed, marshalled course with chip timing and includes a National Trust c..

Maidenhead Trail Run, part of RunThrough UK, takes place at Summerleaze Park in Maidenhead. The event offers 5K, 10K and Half Marathon on a flat, soft-trail course that loops through tranquil paths beside Maidenhead and Cookham Commons and around Summerleaze Lake. It’s pitched as a relaxed, scenic r..

The EDDUM 2026 is a 50-mile trail challenge around the Epynt Way, looping the Sennybridge Training Area in mid-Wales. Runners traverse a largely untouched permissive path bordered by the Brecon Beacons to the south and the Cambrian Mountains to the north. The route offers a scenic, green landscape w..

North Downs 50 Ultra Challenge takes place on the North Downs in Surrey, starting and finishing at Loseley Park, Guildford, with 25 km and 10 km options. The 50 km loop uses the North Downs Way through Surrey hills, offering scenery and views southward with easy access from London. Participants walk..

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,..

The MTC Windsor Ultra is an ultra running event held in Windsor, United Kingdom, organized by Ultra Running Ltd and listed under UK Athletics. The event is scheduled for Saturday, 8 August 2026. Entry is currently open with an individual entry fee of £90 plus service fee; a defer option to 2026 is a..

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 Windsor Trail Run, organized by RunThrough UK, takes place at Alexandra Gardens in Windsor, UK. It offers 10K and Half Marathon distances along a flat, trail course with light elevation (29m for 10K, 58m for the half). The route showcases Windsor’s royal scenery, including distant Windsor Castle..

Set along the River Thames at Temple Island Meadows, Henley-on-Thames, the Henley River Half Marathon, 10K & Junior Race from RunThrough UK offers a late-summer Riverside challenge. The event features three distances: half marathon (the route includes a mini lap plus two laps), 10K (one lap), and a..

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..

Silent Pool 10km is a guided trail run hosted by Running Adventures, starting and finishing at Silent Pool Car Park in Albury, near Guildford. The 10km route winds along North Downs Way sections and through Netley Heath forest, finishing in the village of Shere where film locations from The Holiday..

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..

Starting and finishing at St Martha's, Guildford, the North Downs Way Ultra Run is a 30-mile trail journey through the Surrey Hills. The route highlights the best sections of the North Downs Way, including Box Hill and Denbies Wine Estate, with sweeping downs views before looping back to Guildford v..

Take on a picturesque autumn challenge at Windsor Trail Run on Sunday 8 November 2026. Set in royal Berkshire, this RunThrough event offers a Half Marathon and 10K on a flat, off-road trail course beginning and finishing near Alexandra Gardens. Located in royal Berkshire, the route offers royal view..

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..

Devil's Punchbowl 10km is a guided trail run organized by Running Adventures. The route starts at Devil's Punchbowl Car Park in Hindhead, Surrey, and covers about 10km of scenic trails around the Devil's Punchbowl, a natural amphitheatre famed for its views and rolling hills. The run is designed to..