Trail Running calendar near Dorchester 2025-2026

We have found 206 Trailruns within 80 miles of Dorchester. See below where and when you can find the races.

Set in Moors Valley Country Park & Forest near Ringwood, Dorset, the Moors Valley Wildwood Trail Series Half Marathon & 10K offers two woodland trail routes. Participants can choose the Half Marathon (two laps) or the 10K (one lap) across forest gravel paths. The event is fully marked with aid stati..

February 2026

Purple Gecko Events presents the Haldon Winter Run in Haldon Forest, Devon. This timed, low-pressure trail race welcomes runners of all abilities to choose from three distances: 2.5K, 5K, and 10K, with canicross options available. The course is fully marked, with water points along the way, and meda..

Devil's Punchbowl 10km is a guided trail run around the Punchbowl in Hindhead, Surrey. The 10km route follows scenic trails with several hills, run at a group pace rather than a race. It suits those new to trail running or who prefer running with others, especially at dusk or night.Top views are pau..

The Westonbirt Arboretum Winter Night Race is an exciting running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which showcase the arboretum's diverse landscapes and solid terrain, providing a unique blend of tra..

UK Ultra's Hibernal Hills 50 Mile is the season opener held at Queen Elizabeth Country Park, Hampshire. This ultramarathon covers about 50 miles on 99% trail, 1% road, with 6,400 feet of ascent and descent and undulating hills throughout. The route starts via the Staunton and Monarchs Ways, then cli..

UTMB Index

The Pilgrim Challenge is a one- or two-day ultra along the North Downs Way based from Sandy Farm Business Park, Farnham GU10 1PX. Distances offered: 33 miles (one day) 66 miles (two days) The two-day option has total ascent gain of 2374 m. The route follows the waymarked North Downs National Trai..

The Portland Coastal Marathon is an ultra trail running event held at the Weymouth and Portland National Sailing Academy in Portland, UK. Scheduled for February 8, 2026, it offers a full marathon, half marathon, and 10k distances, catering to all abilities. The course follows the scenic Portland sec..

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between a 5km or 10km race, with routes that showcase the beauty and diversity of the arboretum's landscape. The event is designed to..

XTERRA Matterley is an off-road sporting event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes of all levels. The duathlon races feature distances such as..

The Wild & Mild Night Run is a challenging trail race held in South Brent, UK, featuring 9-mile and 5-mile distances across trail and open moorland. The course begins with a mainly uphill stretch along the river to Shipley Bridge, followed by a tarmac section before entering Dartmoor. Runners naviga..

Dalwood 3 Hills 2026 returns to Dalwood Village Hall, Dalwood, Axminster (EX13 7EG), offering three multi-terrain routes around the countryside: 10 miles, 5km, and the new 3km Dalwood Doddle for families. Expect mud, hills, and, on the longer course, river crossings as you challenge yourself across..

Climb South West runs the Dartmoor Winter Traverse, a fully supported winter crossing of Dartmoor in February. The event offers a 50 km South-to-North route and a 30 km Princetown-to-Meldon option, open to runners and walkers. The route traverses remote moorland, passing Red Lake and the sources of..

Two Tunnels Races in Bath, UK, organized by Relish The Great Outdoors, offer a unique underground running experience alongside city scenery. The courses pass through the Devonshire Tunnel (408m) and the longer Combe Down Tunnel (1672m), both well-lit and surfaced as a shared-use path—the longest und..

BigMud Trails (EARTH) is the first event in the Classic Element Trail Series, celebrating the element of Earth. Set in the scenic Meon Valley at Queen Elizabeth Country Park, participants can choose between a 16-mile or marathon distance, both featuring challenging single-lap courses with significan..

The Ironwood Challenge, organized by Nailsea Running Club, is a trail race near Long Ashton, North Somerset. The six-mile course runs through woodland, fields and forest, with sections that are often muddy. It is fully marked and marshalled, and chip timing is included for the first year.Off-road sh..

South Downs Way Ultra Run is a 30-mile trail event based at Harting Down in West Sussex. The route showcases the South Downs Way and surrounding areas, visiting Beacon Hill, Cocking Down and Kingley Vale, with ancient woodlands, nature reserves and links to the Sussex Border Path, Shipwrights Way an..

Hameldown Hammer takes place on Saturday 28 February 2026 in Widecombe-In-The-Moor on Dartmoor. This is the 10th edition of the Hameldown Hammer event. Entries open 1 March 2025 and close 25 February 2026. The event is organised by OuterEdge Events. Available races: Hameldown Ultra Hammer Hameldo..

March 2026

Brecon to Cardiff Xtreme is a winter mountain ultramarathon, a 75-km linear challenge from Brecon to Cardiff (about 47 miles) with roughly 2,700–2,800 m of ascent, including 11 summits such as Pen y Fan, Cribyn and Fan y Big. The Taff Xtreme Marathon is the second half, a 26.2-mile leg from Merthyr..

The Weymouth Bay 10K is a scenic charity fun run held in Weymouth, Dorset, starting at Bowleaze Green near the Riviera Hotel. The course is an accurately measured out-and-back route featuring two laps, extending towards Pleasure Pier and returning via Overcombe. The mostly flat road terrain (88%) of..

The Brecon to Cardiff Classic is a 70-kilometer ultra running race following the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Cardiff. Now in its 12th year, this fully marked, one-way race features diverse landscapes, including dramatic mountains, waterfalls, reservoirs, and..