Trail Running calendar near Diss 2025-2026

The Galloping Grind 10k Trail Run is an exciting new event set to take place on May 20, 2025. Participants can collect their race numbers in the evening before the run, which features a predominantly anti-clockwise route. As the event occurs at dusk, wearing high-visibility clothing is recommended.L..

Farmmageddon is an exciting 100-mile running event organized by Zig Zag Running, taking place over two days at Hyde Hall Farm. Participants will tackle a 5.3k loop course, with a total time limit of 32 hours to complete their chosen distance. The event caters to all abilities, offering various dista..

The Run Banham Zoo (5k) is an exciting running event set in the scenic grounds of Banham Zoo. Participants will enjoy a unique experience as they run past various animal exhibits, including kangaroos, giraffes, and lemurs. The race is open to runners of all abilities, with two waves available for en..

The Grim Reaper Ultra Marathon is a multi-distance running event set in the picturesque Grimsthorpe Castle Estate in South Lincolnshire, scheduled for May 24-25, 2025. Participants can choose from four solo distances: 10, 40, 70, and 100 miles, along with team relay options for the longer distances...

The Angles Way Ultra is a long-distance trail running event taking place on May 25, 2025, along the scenic Waveney River valley between Thetford and Great Yarmouth. Participants can choose between a 100k ultra starting in Diss and a 50k ultra from Shipmeadow, both concluding in Great Yarmouth. The c..

The Three Castles 50km Ultra Marathon invites participants to run along the scenic River Medway, passing three historic castles and charming villages. This event is designed for both seasoned ultra runners and newcomers, featuring a flat course with well-marked trails and multiple aid stations. Runn..

The Circuit du Sore Legs is an annual running event held at Wodson Park Sports Centre in Ware, Hertfordshire. Celebrating its fifth year, the event features various distances including 5k, 10k, half marathon, full marathon, and a 50k ultra, all run on a 400-meter athletics track. Participants can ai..

The Oliver Fisher 10K & 5K is an exciting running event taking place at Milton Creek Country Park in Sittingbourne, Kent, on June 1, 2025. This race celebrates the 40th anniversary of the Oliver Fisher Special Care Baby Trust, aiming to raise essential funds for the Neonatal Unit at Medway Maritime..

The Sundowner Marathon is a unique running event that takes participants through scenic routes including canals, waterfalls, vineyards, woodlands, and coastal saltmarshes. Scheduled for early June, the marathon begins on a summer evening and continues into the night, offering a distinctive experienc..

The Suffolk Back Yard Ultra is a highly competitive running event held at High Lodge Thetford Forest in Suffolk. Participants run a distance of 4.167 miles every hour on the hour, continuing until only one runner remains who can complete the loop within the one-hour time limit. The event features ch..

The Tewinbury Trail 10K is an exciting trail running event set in the picturesque Tewinbury Farm & Hotel, located just north of Welwyn in Hertfordshire. Scheduled for June 8, 2025, this race features a scenic route that includes a mix of undulating terrain, single track forest paths, and open tracks..

The Valley of the Owls Run is a scenic running event held in the picturesque village of Ousden, Suffolk, known for its historic roads and beautiful countryside. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra marathon, with a social out-and-..

The Nene Valley Trail Run features friendly and scenic 10 and 20-mile off-road races set in the picturesque Nene Valley. Participants will enjoy running through beautiful landscapes, including green fields, ancient woodlands, and charming villages. The event, organized by Nene Valley Races, takes pl..

The Norfolk Festival of Running is an inaugural event set in the scenic Bawsey Country Park. Participants can choose to run for six hours or four hours, covering a 5.3k lap through the park's gravel paths and grassy areas. This flexible format allows runners to complete as many laps as they wish, ma..

The Herts Hobble is a scenic running event taking place in North West Hertfordshire, offering participants the choice of two circular routes: 26 miles or 18 miles. The event features undulating terrain, including grassland, fields, and woodlands, providing stunning views of the countryside. It is or..

The Run Sandringham 10K is a prominent running event scheduled for June 15, 2025, set within the picturesque Royal Sandringham Estate in Norfolk. This race welcomes participants of all abilities, offering a scenic route through the estate and surrounding countryside. The event aims to raise funds fo..

The Castle Bytham 5k Chase is a fun trail run that takes place during the Castle Bytham Midsummer Festival, a popular two-day event in Lincolnshire. This inclusive race welcomes participants of all ages and abilities, encouraging both runners and walkers to join in. The festival features a vibrant a..

The Triffic Trail is an annual running event held in the scenic Trent Country Park, Enfield, London. It features a variety of courses, including a 10 km senior race, a 4.5 km junior race for participants under 18, and a 4.5 km fun run for those under 12. The event caters to all levels of runners, fr..

The Dunstable Downs Half Marathon is a challenging trail running event set in the picturesque National Trust's Dunstable Downs estate. Scheduled for June 22, 2025, this rugged half marathon features an entirely off-road route that offers stunning ridgeline views, steep descents, and demanding hills...

The Colworth Marathon Challenge is a unique running event held over three days at the picturesque Colworth Estate in North Bedfordshire, UK. Participants can choose to enter one, two, or all three races, which total a marathon distance of 26.2 miles, comprising a 5-mile run, an 8.1-mile trail race,..