Trail Running calendar near Horndean 2025-2026

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..

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..

Up on the Downs, hosted by Tri-Counties Trail Running, takes place at Breamore House near Salisbury. Runners can choose from 5k, 10k (about 11.5k), or a half marathon, all starting and finishing at Breamore House. The route is mainly trail, 95% off-road, across farmland, footpaths and bridleways, wi..

The Imber Ultra is an annual trail run of 33+ miles. The next edition is scheduled for Sunday 1 March 2026. The event is organised by Avon Valley Runners together with the Rotary Club of Westbury. Free photos from the 2025 running are available online. Entries are planned to open around early Octo..

Silent Pool 10km is a guided trail run that starts and finishes at Silent Pool, Albury, near Guildford. The route follows North Downs Way sections and the Netley Heath forest, dipping into Shere and passing film locations from The Holiday and Bridget Jones Diary. It’s ideal for those new to trail ru..

The Winter Green Man Ultra is a looped trail race around the Community Forest Path near Bristol. Distances offered: 45 miles / 72 kilometres 30 miles / 48 kilometres The 45 mile race is a full anti-clockwise loop starting and finishing at Ashton Park School. The 30 mile event is a partial anti-cl..

Endurancelife Sussex is a coastal trail event based in Eastbourne, showcasing the Seven Sisters and sweeping views of the English Channel. Four distances are on offer: 10K (6.4 miles), Half Marathon (13.1 miles), Marathon (26.2 miles) and an Ultra (32.5 miles). Expect strenuous terrain—chalk downlan..

The Leith Hill Half Marathon is a challenging cross-country race that takes participants from Dorking to the summit of Leith Hill, the highest point in south-eastern England, and back. Spanning 13.1 miles with an elevation gain of 1,800 feet, this event is celebrated for its stunning scenery and sup..

Wight Riot is a mixed-terrain running event on the coastal path at Milford on Sea, offering views of the Isle of Wight and a pass by Sturt Pond Nature Reserve. The race uses a 5.3 km (3.28 mile) out-and-back lap, with participants choosing any distance from 5K up to an ultra, within a 7-hour window...

Humanity Direct Amersham Ultra is a one-day endurance event based at Dr Challoner’s Grammar School in Amersham, Buckinghamshire, set in the Chiltern Hills. Runners and walkers can choose from three distances: 50km ultra, 25km half ultra, or a 10km option. The route winds through the Misbourne and Ch..

The Hundred Hills 50km takes place on 14 March 2026 at Stonor Park, Stonor, Henley-On-Thames (RG9 6HF). The event is a trail ultramarathon run as two different 25 km loops, starting and finishing at Stonor Park. Minimum age to enter is 20. Entry fee is £78 for affiliated runners (£80 for unaffiliat..

Sevenoaks Circular Challenge, organised by LDWA Kent, is held from West Heath School in Sevenoaks. This 49th edition features three brand-new routes of 15, 20 and 30 miles, exploring sections of the North Downs and the Greensand Ridge with some of the best views in West Kent. The event includes indo..

Surrey Hills Half Marathon is a guided trail half marathon starting and finishing in Guildford, Surrey. The 13-mile route threads through the Surrey Hills’ scenery, including St Martha’s Church and hill, the village of Shere, and Newlands Corner and Hackhurst Downs, with sections of the North Downs..

The Gratitude 25km is an exciting running event taking place in Broxbourne, UK. This race is designed for runners of all levels, promoting fitness and community spirit. Participants will enjoy a scenic route while challenging themselves to complete the 25km distance. The event emphasizes the importa..

Winter's End - 50 Mile Ultra & Marathon is a scenic trail running event held along the South Downs Way National Trail, starting near Arundel, West Sussex, and finishing in Winchester, Hampshire. The event features a 50-mile ultramarathon and two marathon options covering either the first or second h..

The Windsor Trail Run takes place on Sunday 22nd March 2026 at Alexandra Gardens, Alma Road, Windsor SL4 3HU. The event offers trail running on a flat course with views that include Windsor Castle. The route maps cover a Half Marathon and a 10K. Listed elevations are 29 m for the 10K and 58 m for t..

Elephant Challenge takes place at Salcey Forest, a Forestry England site near Northampton (NN7 2HX). This 6-hour, multi-lap event centers on a 3.5-mile off-road loop through the forest, allowing participants to choose distance—from 3 laps for a half marathon to 7 for a marathon or many more within t..

Hankley Common 10km is a guided trail run by Running Adventures, starting and finishing at Hankley Common Lower Car Park, Elstead, Surrey. The 10km route crosses Hankley Common, known for wildlife and views. The session is social and non-competitive, ideal for those new to trail running or who enjoy..

Bath 50 Challenge, part of the Ultra Challenge series, takes place in the City of Bath with start and finish at Bath Racecourse Basecamp. Participants can choose a 50 km loop (about 1,000 m ascent), a 29 km loop (650 m), or a 10 km loop (~200 m). The course loops around Bath, offering panoramic view..

Beyond Bristol, the Bristol Trail & Ultra by Beyond Trails offers two distances: a 25km Trail and a 55km Ultra, starting and finishing at Museum Square in central Bristol (BS1 4RN). The course travels off tarmac through woodland, riverside paths, parks, and disused railways, with highlights such as..