Trail Running calendar near Seaview 2025-2026

The Hannington Hike will take place in Hannington on Sunday 8 March 2026.

The Centurion Hundred Hills 50km is a scenic trail ultra marathon held in the Chiltern countryside, starting and finishing at the historic 850-year-old Stonor Park near Henley-On-Thames, England. The race features two distinct 25km loops, covering 50 kilometers with approximately 4,000 feet of eleva..

The Humanity Direct Amersham Ultra is a one-day endurance event set in the scenic Chiltern Hills, near Amersham, Buckinghamshire. Participants can choose from a 50km ultra marathon, a 25km half ultra, or a 10km race, all designed to challenge both body and mind. The event features fully marked route..

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 Bath 50 Ultra Challenge is a premier trekking and trail running event held in the historic city of Bath, UK. Participants can choose from three looped distances: 50 km, 29 km, or 10 km, all starting and finishing at Bath Racecourse. The course offers scenic panoramic views, passing iconic landma..

The Testway Ultra is a challenging ultra marathon held in Hampshire, England, featuring 40 and 50-mile distances along the scenic Testway footpath. The route stretches from the chalky downs near the Northern Hampshire/Berkshire border to the southern town of Totton in Southampton, showcasing picture..

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. The race features a single-loop course through the scenic South Downs, offering a runnable and non-technical route ideal for both beginners and experienced ultra runners. Participants enjoy stunning views..

The Mortimer 10km is a dog-friendly trail running event held in the picturesque 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 8..

The 50 Mile Grand Slam 2026, organized by Centurion Running, is a series of four challenging 50-mile ultramarathons held across iconic UK trails. The event includes the South Downs Way 50, North Downs Way 50, Chiltern Wonderland 50, and Wendover Woods 50, taking place between April and November 2026..

The Centurion South Downs Way 50® is a challenging 50-mile foot race held annually along the South Downs Way National Trail in Southern England. Starting in Worthing and finishing with a lap at Eastbourne Sports Club Athletics Track, the course features approximately 5,700 feet of elevation gain ove..

The Henley River Half Marathon, 10k & Junior Race takes place in Henley-on-Thames, UK, along the scenic banks of the River Thames. Scheduled for April 11, 2026, the event features a half marathon, 10k, and a junior race, all on mixed, undulating terrain with elevations of 98m for the half marathon a..

The Windsor 50 Ultra Challenge, organized by Ultra Challenge, is a historic and scenic endurance event taking place on April 18, 2026. Participants can choose to walk, jog, or run along looped routes through Windsor and along the Thames Path, starting and finishing at Windsor Racecourse. The event o..

The Chiltern Ridge Classic 50K is a renowned ultra marathon held in the Chiltern Hills, UK, featuring a challenging 51 km trail with 996m of elevation gain. The race starts at historic Berkhamsted Castle and finishes at Hampden Meadow in Wendover, following scenic ridgeline trails through Ashridge E..

The Ale Trail is a 15-mile fun run held in Alfriston, East Sussex, starting from the beer garden of the Ye Olde Smugglers Inn. The course features two checkpoints at local pubs—the Hampden Arms and The Ram Inn—where runners can enjoy a beer token and snacks before continuing. Participants are encour..

The Drop - Winchester is a unique and challenging race held in Winchester, UK, offering participants a thrilling test of resilience and navigation skills. Competitors choose between a 10-mile or 15-mile course, either solo or in teams. The race begins with a blindfolded bus ride to an undisclosed dr..

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 Isle of Wight Ultra Challenge is a premier UK trek and trail running event held on the Isle of Wight, featuring stunning coastal paths including the iconic Needles and historic towns like Cowes and Ventnor. Participants can choose from multiple distances: a full 106 km circuit, 82 km, 50 km, 25..

BigWayRound - Winchester is an award-winning, Gold-rated trail running event held at Winchester Rugby Club, offering four distances: 14 miles, 19 miles, a marathon, and a 50K ultramarathon. The course features stunning views and traverses iconic trails such as the South Downs Way, Allan King Way, an..

The Chiltern Hills 100K is a 100-kilometer ultra marathon held in the Chiltern Hills, starting and finishing in Chesham, Buckinghamshire. The race features an anticlockwise loop passing notable landmarks such as Ashridge Estate, Coombe Hill, and Bledlow Ridge, incorporating sections of The Ridgeway,..

The Henley River Half Marathon, 10k & Junior Race takes place at Temple Island Meadows, Remenham Lane, Henley-on-Thames, UK. Scheduled for September 5, 2026, this event features a half marathon, 10k, and a junior race, all set on mixed, undulating terrain with scenic views alongside the Thames. The..