Trail Running calendar near Semington 2025-2026

We have found 352 Trailruns within 80 miles of Semington. See below where and when you can find the races.

Location: Hankley Common, Elstead, Surrey. Distance: 10km. Description: A guided trail run starting and finishing at Hankley Common Lower Car Park.The route traverses Hankley Common’s trails, known for wildlife and a World War II Atlantic Wall replica (the Lion’s Mouth) built by Canadian troops to t..

Haldon Night is a winter night trail event at Haldon Forest Park, Exeter. It offers a single-loop 10K and 5K, plus 1K and 2K kids races, and a canicross 10K option. Races start and finish at the Start/Finish arch and are tweaked to finish just over official distances.The routes are clearly marked wi..

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it an ideal choice for both experienced runners and newcomers...

The Dirty Devil Stampede is a challenging and muddy running event held at the Bovington Tank Range in Bovington Lane. Participants can choose from 5k, 10k, or 15k distances, with a special Dark 10k race taking place at dusk on a different course. The race takes place on an army training ground, offe..

Riverbank Rollick 2026 is a 9.6-mile race organized by Thornbury Running Club in Thornbury, Bristol. The route combines trails, bridle paths, fields, woodland, a stream and a riverbank, with 80% on rough terrain, and mud is common in January. It opens the 2026 Riverbank Rollick Race Series, with med..

Arundel & SDW Winter Trails 2026 is a double gold-rated trail event along the South Downs, finishing in Arundel. Runners choose between a marathon along the South Downs Way from Heyshott to Arundel (featuring river runs, rolling fields, and a Gurkha Suspension bridge) and a 15-mile option that detou..

The Crocodile Challenge is a six-hour running event held at Ryton Pools Country Park, Coventry (CV8 3BH). Entrants aged 16 and over on 23/01/2026 are eligible. The organiser donates 7.5% of entry fees to Roald Dahl’s Marvellous Children’s Charity and has allocated a limited number of charity places..

Saturn Running's "Spice Up Your Run - Wales" is a fun and inclusive running event held at Dare Valley Country Park in Aberdare. Participants can walk or run a minimum of 3km, with options to complete laps of approximately 7km each, allowing distances up to 50km, including half-marathon, marathon, an..

Stonehenge Stomp, organized by the City of Salisbury Athletics & Running Club, is a non-competitive walking event held near Stonehenge in Wiltshire. The 36th edition is scheduled for Sunday 25 January 2026. Participants can tackle 10, 20, 30 or 40 km on fully marked trails (all routes offer Stonehen..

The Windsor Trail Run takes place on Sunday 25 January 2026 at Alexandra Gardens, Alma Road, Windsor SL4 3HU. The event is staged near Windsor Castle and runs on flat trail terrain through the gardens. Entry fees listed range from £30 to £160 depending on the selected option. The event offers chip-..

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..

G3 Series – G3 no.2 is a running event held at a field off Hound House Road, Surrey GU5 9JG. Runners can choose between 10km and 15km distances, with the start line and car park clearly signposted by flags and signs. Entry remains open until 29 January 2026. A notable feature is the bundled discount..

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..

Squirrel Challenge takes place at Daventry Country Park, NN11 2JB, Welton Road, UK. It’s a sociable, six-hour trail event for runners and walkers of all abilities to move at their own pace. The course is a 3.3-mile off-road loop (mostly crushed stone) that you can repeat as many times as you wish wi..

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

Pilgrim Challenge is a two-day 66-mile or one-day 33-mile ultramarathon along the North Downs Way in Surrey. The start is at Sandy Farm Business Park in Farnham, and the route winds through countryside, villages and rolling downs with about 2,374 meters of ascent. The course is fully marked with sig..

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..