Trail Running calendar near Southampton 2025-2026

The Centurion North Downs Way 50® is a 50-mile point-to-point ultramarathon held annually along the North Downs Way National Trail in South East England. Starting in Farnham, Surrey, and finishing at Knockholt Pound near Greater London, the course features approximately 5,600 feet of elevation gain...

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on a gently undulating, cross-country terrain surrounded by lush greenery, offering a tranquil and inspiring running experience suitable for all levels...

The South Downs 50k is a 50-kilometer point-to-point trail race from Falmer to Eastbourne, primarily following the scenic South Downs Way through the South Downs National Park. Featuring over 3,500 feet of elevation gain and descent, the course offers a mix of grass trails, farm tracks, and forest p..

The London 2 Brighton Ultra Challenge is a premier UK endurance event covering distances from 10km to 100km, including options like the full 100km trek from Richmond, London to Brighton Racecourse. The course traverses scenic Surrey and Sussex countryside, including the North and South Downs, offeri..

The Beat the Sunset 50km ultramarathon takes place in Maidenhead, Berkshire, starting and finishing at the NMCC Sports Club. This multi-terrain course is fully marked and features four checkpoints approximately every 10km, with a personal nutrition drop available in the latter half. The event offers..

The Two Tunnels Races, held in Bath, UK, offer a unique running experience featuring the longest underground sections in the UK. The course passes through the historic Devonshire Tunnel (408m) and Combe Down Tunnel (1672m), both well-lit and surfaced, providing a flat and scenic route beneath the ci..

The Cheddar Gorge Challenge is a scenic running event held at Warren Farm in the Mendip Hills, Somerset, England. Participants can choose from various distances including 1km, 3km, 6km, 10km, half marathon, and marathon, with options for different waves and an Omnium challenge. The course features b..

The RunThrough Marlow Trail Run, held on June 28, 2026, takes place at Marlow Rugby Union Football Club in the scenic Thames Valley. This off-road event offers three distances: Half Marathon, 10K, and 5K, with the 5K consisting of two laps and the others one lap each. The trail features well-marked..

The Maidenhead Trail Run, held on July 26, 2026, offers a scenic and relaxed running experience in Summerleaze Park, Maidenhead, UK. Participants can choose from 5K, 10K, and Half Marathon distances, all featuring flat, soft trail terrain ideal for runners of all levels. The course loops around peac..

The Henley River Half Marathon, 10K & Junior Race takes place on September 5, 2026, at Temple Island Meadows, Remenham Lane, Henley-on-Thames, UK. This event features a half marathon, a 10K, and a junior race, all set along a scenic route by the Thames. The course offers mixed, undulating terrain wi..