Trail Running calendar near Great Waltham 2025-2026

The Nene Valley Races - Kings Cliffe 10K is a friendly and scenic trail running event held in the beautiful Nene Valley countryside, starting and finishing at KC Active in Kings Cliffe, Northamptonshire. The circular 10K course features easy tracks, green fields, farm paths, and disused railway line..

The Windsor 50 Ultra Challenge, formerly known as the Easter 50, is a premier UK trail running and trekking event held at Windsor Racecourse. Scheduled for April 18, 2026, it offers three looped distance options: a 50 km ultra, a historic 25 km, and a 10 km challenge. Participants traverse scenic ro..

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 miles, and 110km, all starting and finishing at the same location near Cowdray Farm Shop. The c..

The Chiltern Ridge Classic 50K is an iconic 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 Es..

The Thames Ring 250 is a challenging 250-mile (approximately 256 miles) trail ultramarathon starting and finishing in Streatley-on-Thames, UK. The race follows an anti-clockwise loop along the Thames, the Grand Union Canal, and the Oxford Canal, primarily on flat canal and riverside paths. Despite t..

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

The Other Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, coinciding with the London Marathon day. It offers multiple distance options: 5k, 10k, half marathon, and full marathon. The marathon follows the officially measured, scenic, and mildly undulat..

The Centurion Thames Path 100 is a 100-mile marked point-to-point trail race from Richmond in London to Oxford University grounds. The course follows the Thames Path, offering a mostly flat and fast route with 75% trail and 25% paved paths, showcasing stunning English riverside scenery. Runners face..

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..

The Three Forts Challenge is a renowned trail running event held in West Sussex, starting and finishing at Lancing Manor Leisure Centre. It offers three race options: a full marathon (27.2 miles), a half marathon, and a 5-mile trail run. The courses feature demanding terrain with steep climbs, stile..

The Holy Trail Festival of Running, held on May 9, 2026, takes place at Nicholas Everitt Park in Oulton Broad, Lowestoft, Suffolk. This inaugural event offers three trail running distances: a 50-mile circular route with a 15-hour limit, a 50 km course, and a full marathon, both starting at Holton Vi..

The Run Rabbit Trail Festival is a multi-distance trail running event held at the scenic Deene Park Estate near Corby. Scheduled for May 2026, it offers three main challenges: the Trail Mix Challenge (25k, consisting of five different 5k runs hourly), the Headlight Hop (10k evening trail run), and t..

The Run to the Sea Brighton Ultramarathon is a scenic 50km point-to-point race from Horsham to Brighton seafront, featuring a mix of trails and rolling downs. Known for its stunning views and well-organized setup, it caters to both beginners and experienced ultramarathoners. The course is fully sign..

The Chiltern Hills 100K is a 100-kilometer ultra marathon held in the Chiltern Hills, Buckinghamshire, UK. The race features an anticlockwise loop starting and finishing in Chesham, passing iconic landmarks such as Ashridge Estate, Coombe Hill, Whiteleaf Hill, Bledlow Ridge, and Great Hampden. With..

Shires and Spires is a celebrated multi-terrain running event held in Northamptonshire, starting and finishing at historic Naseby Village Hall. The race offers five distances: 10K, half marathon, three-quarter marathon, marathon, and a 35-mile ultra marathon, blending trails and roads with scenic vi..

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marathon uses the Windmill Route, both featuring quiet roads. The..

The Halstead & Essex Marathon, held annually since 1995, is a scenic marathon event located in North Essex, starting at Halstead Leisure Centre. The course features low-traffic roads winding through picturesque rolling hills, woods, and farmlands, offering runners a beautiful and tranquil setting. O..

The Five Rivers Ultra is a scenic ultra-endurance running event held along the wild North Essex and South Suffolk coastline, finishing in Harwich, Suffolk. It offers three distance options: 100 miles, 50 miles, and 50 km, all featuring generous cut-off times. The point-to-point course is predominant..

The Centurion North Downs Way 50® is a challenging 50-mile point-to-point ultramarathon held annually along the North Downs Way National Trail in 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 an accurately measured, gently undulating cross-country terrain surrounded by lush greenery. Suitable for runners of all levels, the event fosters a f..