Trail Running calendar near Grafham 2025-2026

The Halstead & Essex Marathon, held annually in North Essex, celebrates its 30th year in 2026. Established in 1995, the event is hosted by Halstead Road Runners and attracts runners from across the UK. The marathon course features scenic, low-traffic roads through rolling hills, woods, and farmlands..

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 traverses beau..

The Trent Valley Ultra is a scenic 50-kilometer ultra marathon held in Nottinghamshire, starting at Milestone Brewery & Tap in Cromwell, Newark. The course winds through charming villages using footpaths, bridleways, tracks, and minor roads, offering runners a picturesque and memorable experience. C..

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..

Farmmageddon is an endurance running event held at Hyde Hall Farm, Buntingford, SG9 0RU. Returning for its second year, the event features a challenging 100-mile race completed over 32 hours across two days. The course consists of a 5.3 km loop combining trail, grassland, and some tarmac paths, suit..

The Grim Reaper Running Festival 2026 takes place at the scenic Grimsthorpe Castle Estate in South Lincolnshire. Scheduled for May 23-24, the event offers multiple race distances: solo 10, 40, 70, and 100 miles, plus a 100-mile team relay. The course features a fully marked 10-mile loop combining gr..

The The Fox Trail will take place in Guildford on Saturday 23 May 2026. You can run between 20 and 62 kilometers.

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and lush countryside along the Medway Valley Walk. Runners expe..

The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race along the entire length of The Ridgeway National Trail in England. Starting at Ivinghoe Beacon in Hertfordshire and finishing at the Avebury Stones in Wiltshire, the course follows a historic path over 5,000 years old. T..

The Beat the Sunset 50km is a multi-terrain ultramarathon held in the Thames Valley, starting and finishing at Summerleaze Park in Maidenhead, Berkshire. The flat, single-lap course covers 50 kilometers with 235 meters of elevation, featuring 75% off-road trails along the Thames Path, Jubilee River,..

The Gerald Story Memorial Fun Run is an annual 5.5-mile trail running event held at Worksop College, starting in Worksop and winding through the scenic Clumber Park. The mostly trail course includes a short closed road section and is fully marshalled with first aid support. Open to participants aged..

The Circuit du Sore Legs is a unique running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants run on a traffic-free 400-meter athletics track, with distances ranging from 5k to a 6-hour challenge, including half marathon, full marathon, and 50k ultra options...

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England, featuring a scenic course that passes along canals, over waterfalls, through vineyards, woodlands, and coastal saltmarshes. This marathon offers a distinctive experience by starting early on a summer evening and..

The Suffolk Back Yard Ultra is a highly competitive endurance running event held at High Lodge in Thetford Forest, Suffolk. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner completes a loop within the hour time limit. The course is flat, wide, and scenic, f..

The Valley of the Owls Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, Suffolk. The scenic course passes through the village of Ousden, known as the Valley of the Owls, featuring some of England’s oldest roads and beautiful countryside. Participants c..

The Nene Valley Trail Run is a friendly and scenic off-road running event held at Castle Farm Campsite in Fotheringhay, near Peterborough. Scheduled for June 13, 2026, it offers two race distances: 10 and 20 miles. The courses traverse the beautiful Nene Valley trails, featuring easy tracks through..

The Three Shires Way Ultra & Marathon, organized by Race Harborough, is a trail running event held in the rural landscapes and ancient woodlands of Buckinghamshire, Bedfordshire, and Northamptonshire. The event features two distances: a 50-mile ultra and a marathon, both suitable for beginners and e..

Solstice at the Lakes is a timed trail running event held at Leybourne Lakes Country Park in Kent, featuring 6-hour, 12-hour, and 24-hour race options. Participants can compete solo or in teams (pairs or up to four runners) on a flat, fast, and scenic 2.5km loop combining trail, gravel, and tarmac s..

Beyond Trails London is a trail running event set in Greater London, offering two distances: a 25km trail and a 55km ultra. The routes follow parts of the Capital Ring footpath, showcasing iconic landmarks such as Eltham Palace, Wimbledon Common, and Richmond Park, alongside hidden trails, parks, wo..