Trail Running calendar near Seaview 2025-2026

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. This single-loop course offers a runnable, non-technical route through the scenic South Downs, making it ideal for beginners and experienced runners alike. Participants enjoy stunning views of rolling hil..

Saturn's 7 Hour Time Challenge at Wraysbury Skiff & Punting Club (Wraysbury, TW20) is an inclusive, self-paced race along the River Thames. Entrants choose a distance from a 3 km lap, with full laps around about 7 km (4.37 miles) or a shorter 3.28 mile option depending on conditions. You can run as..

The Mortimer 10km is a scenic trail running event held in the charming Berkshire village of Mortimer, starting and finishing at Mortimer Fairground. The race features a beautiful two-lap, multi-terrain course that covers woodland trails, footpaths, and bridleways with an elevation gain of 85 meters...

Henley River Half Marathon, 10K & Junior Race, organized by RunThrough UK, takes place at Temple Island Meadows, Remenham Lane, Henley-on-Thames. The event offers three distances—the Half Marathon, 10K, and a Junior Race—on a scenic, mixed-terrain course along the River Thames. The route is undulati..

Centurion Running’s 50 Mile Grand Slam 2026 is a four-race ultramarathon series, consisting of four 50-mile events on famed UK trails: South Downs Way 50 (11 Apr), North Downs Way 50 (16 May), Chiltern Wonderland 50 (19 Sep), and Wendover Woods 50 (14 Nov). The four races are grouped as All Four 202..

Spring ‘Run the Seasons’ Cowdray takes place on the Cowdray Estate in West Sussex, near Midhurst. The event offers 5km, 10km, 10-mile and canicross options, all run on a scenic course that heads out to Ambersham and Heyshott Common. These commons are Sites of Special Scientific Interest and Grade 2..

South Downs Way 50 is a 50-mile foot race along the South Downs Way National Trail, running from Worthing to Eastbourne. Runners begin with about six miles of chalk footpaths and bridleways to Chanctbury Ring, then follow the SDW for the final 44 miles to Eastbourne, finishing with a lap of the trac..

Windsor 50 Ultra Challenge, formerly The Easter 50, is staged from Windsor Racecourse and offers 50 km, 25 km, or 10 km loop options. Participants traverse looped routes from the basecamp through Windsor Great Park with castle views, to Runnymede and along the Thames Path into surrounding countrysid..

The Spring Trail Series by Ultra X is a trail running event held at the Cowdray Estate in Surrey, within the scenic South Downs National Park. The series features five race distances: 12km, 25km, 50km, 50 miler, and 110km, all set along the picturesque Serpent Trail that traverses greensand hills, r..

Chiltern Ridge Classic 50K is an iconic ultra in the Chiltern Hills, tracing ridgeline trails between Ivinghoe Beacon and Whiteleaf Hill. The race starts from Berkhamsted Castle and finishes at Hampden Meadow in Wendover, following the Ridgeway National Trail via Ashridge Estate and viewpoints such..

The Bath Beat is a walking and running event held on the southeastern edge of Bath, England, offering distances of 12.5, 17, 21, and 26.5 miles. The course traverses the scenic countryside of the southern Cotswolds, including woods, hills, river valleys, farmland, and a historic disused canal. Parti..

The Garmin UK Trail Running Festival 2026 takes place at St Giles House, Wimborne St Giles, offering a variety of trail running events including a marathon, half marathon, 10K, 5K, and junior races for children as young as 0 years. The festival features scenic courses designed to inspire runners to..

The Drop - Winchester is a unique and challenging race held in Winchester, UK, offering participants a choice between 10-mile and 15-mile distances, either solo or in teams. Inspired by military-style navigation, the event requires runners to find their way back to the event center from an undisclos..

The Ale Trail 15 mile run is a pub-led trail race in Alfriston, East Sussex, starting from the Ye Olde Smugglers Inne beer garden. The 15-mile course has a 4hr30min cut-off and pub checkpoints at The Hampden Arms and The Ram Inn, where runners log arrival and receive a beer token and snacks before c..

The Portland Pig Backyard Ultra is an ultramarathon event held at Grove Farm Estate, Portland, Dorset. In this unique race format, participants run a 4.167-mile (6,706 meters) loop every hour, starting on the hour, continuing until only one runner remains. The course offers diverse terrain including..

Thames Path 100 is Centurion Running’s 100-mile ultramarathon along the Thames Path from Richmond, London to Oxford, finishing in the grounds of Oxford University. The 161 km course climbs about 1,900 feet and is described as flat and fast, with roughly 25% paved and 75% trail terrain. It is a point..

The Isle of Wight Ultra Challenge is a coastal-footpath event on the Isle of Wight, starting at Chale Basecamp. In 2026, it offers multiple distances: a full continuous 106 km around the island (clockwise), a 52–54 km two-day option, plus 82 km, 50 km Southern Loop, 25 km Quarter, and a Medina 10-mi..

Greensand Way Ultra Run is a 30-mile trail ultramarathon starting and finishing at West Hanger, Staple Lane Car Park, near Guildford in Surrey. The route links the North Downs Way with the Greensand Way, passing Box Hill, Leith Hill (the South East’s highest point) and summits such as Pitch Hill and..

Box Hill Vertical KM is a guided trail run held around Box Hill near Dorking, Surrey. The course covers about 12.5 miles with around 1000m of elevation, designed to rack up significant height in a compact distance. It traverses woodland, heathland and open fields, with hills that are technical enoug..

Rapid Relays is a dynamic running event held at the scenic Culden Faw Estate in Fawley, near Henley on Thames, Oxfordshire. The race features a woodland trail course on estate tracks with gently undulating terrain, including a notable climb before 3 kilometers followed by a long downhill stretch bac..