Trail Running Calendar South East (England) 2025-2026

We have found 205 Trailruns in South East (England). Check below where and when you can find the races.

The MTC Oxford Ultra is a 49-mile ultra marathon starting from Travelodge Oxford Abingdon Road and finishing at The Catherine Wheel in Henley-on-Thames. The point-to-point course follows the Thames Path, passing scenic landmarks such as Sandford Weir, Culham, Cholsey, Moulsford, Streatley, Whitchurc..

The MTC Windsor Ultra is a 47-mile ultra marathon held in the UK, starting in Henley-on-Thames and finishing in Kingston upon Thames. The point-to-point course follows the River Thames, passing landmarks such as Marlow Lock, Cookham Moor, Maidenhead Bridge, Windsor Castle, and Runnymede, before conc..

The Centurion North Downs Way 100 is a challenging 103-mile continuous trail ultramarathon held in South East England, running from Farnham in Surrey to Ashford in Kent. The course features approximately 11,000 feet of elevation gain, traversing scenic countryside, villages, and notable landmarks su..

The Mount Ephraim 10K is a popular running event set in the picturesque Mount Ephraim Gardens in Kent. This annual race features a scenic 10K course along quiet country lanes, attracting both seasoned club runners and casual participants. In addition to the main race, there is a Junior Run, allowing..

The Henfield Half Marathon, held at Henfield Leisure Centre in Henfield, UK, is an off-road half marathon featuring a scenic course along riverbanks, a disused railway, flint paths, and stiles. Organized in conjunction with Henfield Joggers, the event welcomes disabled and less-abled athletes who fe..

Hart 4 is a unique 4-hour trail relay held at Minley Manor, Hampshire, where teams of four compete on a 4 km off-road course. The event features an undulating route through woods and grasslands, combining hills and flat sections to challenge and engage runners. Teams aim to complete as many laps as..

The Big Pilgrimage is an exciting mixed terrain running event featuring a 15-mile course and a marathon, set to take place along the historic 'Old Way' Pilgrim Trail from Southampton to Canterbury. Participants will enjoy scenic views as they traverse beautiful coastal and countryside paths, with no..

The Windsor & Eton 10km is a scenic multi-terrain trail run held in the historic town of Windsor, starting and finishing near the Windsor & Eton Brewery by the River Thames. The pancake-flat course covers 10 kilometers, featuring towpaths, footpaths, and short road sections through areas including t..

The Woldingham Marathon is a UK Athletics-affiliated running event held at Woldingham School near Caterham, Surrey. It offers both a full marathon (26.2 miles) and a half marathon (13.1 miles) on an out-and-back course. The route features scenic trails through green valleys, wooded areas, and rollin..

The White Cliffs Challenge will take place in Saint Margaret's at Cliffe on Saturday 30 August 2025.

The Henley River Half Marathon, 10k & Juniors event takes place in Henley-on-Thames, UK, on August 30, 2025. This scenic trail run is suitable for both new and experienced runners, featuring routes around Henley-on-Thames with views starting and finishing at Temple Island Meadows, the Royal Henley R..

The Southampton Running Festival, held on August 31, 2025, takes place in the scenic Southampton Common, a designated Site of Special Scientific Interest in the heart of the city. The event offers multiple race distances including a 5K, 10K, half marathon, and a junior race, catering to a wide range..

September 2025

The South Coast Challenge is a prominent event in the UK’s Ultra Challenge series, offering participants the opportunity to walk, jog, or run along the scenic South Downs Way. Taking place over two days, the challenge features distances of 100 km, 50 km, and 25 km, with options for solo or team part..

UTMB Index

The Andover Trail Marathon, held in North Hampshire, offers both a full marathon (26.2 miles) and a half marathon (13.1 miles) through scenic trails featuring thigh-burning climbs up to 280 meters and fast downhill sections with views of meadows and valleys. The marathon route follows the Testway to..

The Shere 42k, 21k & 10k Multi Terrain Event is a popular trail running competition set in the picturesque Surrey Hills, recognized as an Area of Outstanding Natural Beauty. Participants can choose from three distances: a scenic 10k, a challenging 21k, or a full marathon at 42k. Each route features..

The SOX 10km is a scenic multi-terrain race held on September 7, 2025, at the South Oxfordshire Brewery in Ipsden. The course features trails, woodlands, fields, and local roads, offering stunning views throughout. The event is suitable for all abilities and is canicross friendly.Participants receiv..

The Sufferings is an upcoming running event set to take place at Washington Village Hall, featuring challenging courses that traverse the rugged terrains of Chanctonbury and Cissbury rings. Participants can choose from a Half Marathon, Full Marathon, or a 39 Mile Ultra, each designed to test enduran..

The Farnham Pilgrim Marathon, held in Farnham, Surrey, offers runners a challenging and scenic trail marathon experience through the Surrey Hills. Known for its spectacular views, the course features multi-terrain and off-road sections, making it a tough but rewarding event. The marathon shares its..

The Bradenham Blast is a highly regarded trail running event featuring 5km, 10km, and a new half marathon option, set in the picturesque Chiltern countryside. Known for its challenging hills and scenic views, the race takes participants through tranquil beech woodlands and rugged trails. The event i..

Bewl Water Autumn is a scenic bi-annual running event held near the Bewl Water Visitor Centre in Lamberhurst, Kent. The race features four distances: 10km, half marathon, marathon, and a 50km ultra, all set on a combination of undulating rural wooded trails and quiet country lanes. Participants enjo..