Trail Running Calendar East of England 2025-2026

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 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 Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race that traverses the entire length of The Ridgeway National Trail, from Ivinghoe Beacon in Hertfordshire to the Avebury Stones in Wiltshire. This historic route has been in use for over 5,000 years. The event features nine..

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 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 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 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 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 Woodland Trail is a running and walking event organized by DENS, offering participants the choice of 5 or 10-mile routes through scenic woodland and nature. Set in Berkhamsted, the event aims to raise funds to support local individuals facing homelessness and poverty. Participants can enjoy well..

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,..

Cock-a-doodle Dawdle is an exciting running event returning for its second year at the picturesque Hyde Hall Farm in Hertfordshire. Participants can choose from various distances, including 5k, 10k, Half Marathon, Full Marathon, or Ultra Marathon, making it suitable for runners of all levels. The ev..

Royston In Blue is a 5-kilometre fun run/walk taking place in Royston, Hertfordshire, designed to raise funds for the Teenage Cancer Trust. The event features a two-lap trail course over Royston Heath and is open to participants of all ages, with entry fees set at £12 for children under 18 and £18 f..

The Full Essex Way Ultra is an 82-mile ultra-marathon that takes participants from Epping tube station in London to the historic port of Harwich. The event features a diverse terrain, including mixed trails, footpaths, tracks, and roads, with a total elevation gain of 3,469 feet. Runners will encoun..

The ATW Odyssey 12 is an exciting running event that combines physical challenge with personal growth, set against the scenic multi-terrain paths of St Neots. Participants can compete solo, in pairs, or as teams of up to six, tackling a 7km lap course. The event encourages camaraderie and support, f..

The Fen Gallop is an exciting running event held in Willingham, Cambridgeshire, featuring two main races: a 10km (6.2 miles) and a 6.5km (4 miles) multi-terrain course. Participants navigate picturesque flat country roads, footpaths, and bridleways, with both races starting and finishing at the Will..

The Highwayman Trail Marathon is a unique narrative trail race set for July 6, 2025, in the picturesque villages of Thaxted, Great Sampford, and Hempstead, linked to the early life of Dick Turpin. The course is predominantly off-road, covering diverse terrains, and participants will navigate using w..