Trail Running calendar near Portsmouth 2025-2026

We have found 274 Trailruns within 80 miles of Portsmouth. See below where and when you can find the races.

The The Hilly Helmet Challenge will take place in Westbury on Wednesday 6 August 2025.

The Ivybridge 3 Tops is a challenging fell running event held as part of the Dartmoor Fell Series in South West England, organized by Erme Valley Harriers. The race covers approximately 10 kilometers with 450 meters of climbing, offering stunning views over the South Hams. The course starts near the..

The MTC Cotswold Ultra is a challenging 57-mile point-to-point ultra marathon starting at Kemble Station and finishing at Travelodge Oxford Abingdon Road. The scenic route follows the Thames Path, passing through picturesque villages like Somerford Keynes, Cricklade, Castle Eaton, and Lechlade, feat..

The MTC Thames Challenge is a four-day ultra marathon covering 184 miles along England’s longest river path, the Thames. Starting from the river’s source in the Cotswolds and finishing at the Thames Barrier in Greenwich, the event is divided into four stages: the Cotswold Ultra (57 miles), Oxford Ul..

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 Thames Meander Summer is a scenic riverside running event held in Richmond, starting at the Petersham & Ham Sea Scouts HQ. It features three fast, flat, and well-marked out-and-back courses along the Thames Path, offering distances of 10km, half marathon, and marathon. The 10km is a single 6.25-..

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

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, Runnymede, and Queen Mary..

The Henfield Half Marathon is an off-road running event held at Henfield Leisure Centre in Henfield, UK. The scenic half marathon course features trails along a riverbank and a disused railway, incorporating flint paths and stiles, offering a unique and picturesque running experience. The event welc..

The Ramsbury Gold 10k is a scenic multi-terrain trail run held at Ramsbury Brewery on the Ramsbury Estate in Wiltshire. The 10km course, about 70% off-road with 165m elevation gain, winds through local trails, woodland, and footpaths, offering a challenging yet enjoyable experience suitable for all..

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 Sunflower Stride is an exciting evening running event held in Dorchester, Dorset, featuring 5k and 10k races through stunning sunflower fields and scenic landscapes. Designed for runners of all abilities, the 5k is open to participants aged 13 and above, while the 10k welcomes those aged 16 and..

The Two Tunnels Races, scheduled for August 17, 2025, in Bath, UK, offer a unique running experience featuring the longest underground sections for each race distance in the UK. Participants can choose from various events, including an ultra marathon, marathon, half marathons, 10km, 5km, and family-..

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 like the Th..

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 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 featuring a single 13.1-mile loop. The route traverses scenic countryside, includ..

The London Backyard Ultra is a unique endurance running event held at Frylands Wood Scout Outdoor Centre in Croydon, London. Participants run a four-mile loop every hour on the hour, continuing until only one runner remains, testing their true limits. The event offers a challenging yet supportive at..

The Mendip Marauder is a challenging ultra running event held in Somerset, England, featuring two distances: a 30-mile and a 50-mile race. The 30-miler covers the entire West Mendip Way, while the 50-miler includes the East Mendip Way before joining the 30-mile route. The course is notably hilly, wi..

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 beautiful views and a fast course ideal for personal bests. The race star..

The Southampton Running Festival August 2025, organized by RunThrough UK, takes place on Sunday, August 31, 2025, at Southampton Common, a scenic and ecologically significant green space in the city center. The event offers multiple race distances including 5K, 10K, half marathon, and a junior race,..