Trail Running calendar near Royston 2025-2026

Cowdray Winter Night Run is a 5km or 10km trail race on the Cowdray Estate in West Sussex. The routes traverse parkland and along the River Rother, with some private estate tracks; the course is mostly flat with a couple of gentle climbs. Runners start at the Cowdray Ruins and finish at the Walled G..

Trifarm Winter 10k is the final round of a four-event winter trail run series held at Trifarm, Boreham, Chelmsford, Essex. The 10k route is mostly off-road, on public footpaths and bridleways, and runs clockwise to head away from the river to avoid floods. The start and finish are at the far end of..

The ATW Grafham Water Trail & Canicross is a scenic 10-mile trail running event held at Grafham Water Visitor Centre in Cambridgeshire. The course begins on the iconic dam, offering a fast start, then loops around the reservoir through woodland nature reserves, past Dragonfly Pond and Sanctuary Bay,..

The Bauble Bimble is a festive running event held at Ferry Meadows, a large country park near Peterborough, UK. Participants can choose between a 6-hour or 4-hour timed challenge, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths and grass areas. The event welcomes ru..

Freedom Racing's Hurtwood 50k is a late‑season trail ultra set in the Surrey Hills of southern England. The course covers about 50 kilometres on a fully signed long‑distance trail route, with extra signage and regular checkpoints at 7, 13, 18 and 24 miles offering water and food. Featuring a fast, o..

Winter Downs 200 is a 200-mile continuous trail run by Centurion Running. The loop circles the South of England, linking the North Downs Way, Vanguard Way, South Downs Way, Wayfarers Walk and St Swithuns Way, starting and finishing at Juniper Hall, Box Hill, near Dorking. Runners have up to 96 hours..

Mince Pi Run - races of 2 decimal places is a 14 December 2025 off-road event at Shalford Park, Guildford. Participants choose from 3.14 to 31.4 miles (1–10 laps) on a scenic, mostly flat course with one or two hills. A Pi marathon option and a 1-mile Pi-shaped fun run for young children are offered..

The Salcey Forest Christmas 10K, 5K & Junior Fun Run is a festive trail running event held in Salcey Forest, Northamptonshire. Set amidst beautiful, tree-lined woodland paths, the race offers a virtually flat, mixed-terrain course that can be occasionally muddy. Participants can choose between a 10K..

Let it Stow – Half Trail Marathon is a festive, 13.1-mile trail race organized by Raw Trails in Stowmarket, Suffolk. Runners traverse woodland, meadows and quiet country lanes around Stowmarket and the surrounding countryside, with several road crossings and clear course markings. The atmosphere is..

'Twas The Run Before Christmas is a festive running event held at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants can choose between a 6-hour or 4-hour timed event, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths and grass area..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Offering multiple distance options—5k, 10k, half marathon, full marathon, and ultra—the race features a mass start and a seven-hour cutoff. The course is entirely on road, passing through picturesq..

The Chelmsford Brew Co 12k's of Christmas, run & rum is a festive, social 12-kilometre route in Chelmsford. Starting at the Voodoo Keller Bar, runners head to the Chelmsford Brewery and back into town, with a relaxed, non-competitive vibe. The event emphasizes camaraderie: a drink token at the brewe..

The Winter Wanderlust 50km is an ultra-trail race held in Kent, UK, starting at Detling Village Hall and finishing at Wye Village Hall. Covering 50 kilometers with approximately 1,000 meters of elevation gain, the course follows the scenic North Downs Way, featuring rolling hills, vineyards, ancient..

Elves 11ish Trail is a narrative trail race held on 21 December 2025, starting and finishing at The Blackwater Leisure Centre in Maldon, England. The circular route covers 11 elvish miles, about 95% off-road across varied terrain between Maldon and Mundon. Participants navigate using written instruc..

Santa Claws 10km is a winter cross-country event organized by Racing Line Running, held at Renegade Brewery in the grounds of the Yattendon Estate, Berkshire. The course is a multi-terrain 10km, with a Canicross 10km option for runners with dogs. It delivers a scenic, muddy yet beautiful route throu..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

Circuit Running Events Ltd stages the RIVER THAMES RUN on 31 December 2025 at Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA. The event is a six-hour timed challenge on a flat, multi-terrain, out-and-back route along the River Thames. Maximum entrants are 100 and the event is licensed..

Knacker Cracker is a trail race held on Thursday 1 January 2026. The event is a single-distance race of 10K with an exact course length of 10.000 km. The route includes 473 m of ascent and 335 m of descent. A children’s fun run called the Nipper Knacker runs at the same time as the main race. The e..

Circuit Running Events Ltd stages the Rhino Run at Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA. The event is a six-hour timed challenge on an out-and-back tarmac path that follows the river and an old railway line. The course runs on a public footpath with no navigation required. An..

East Hanningfield Trail Marathon is a 95% off-road, circular trail race around the village of Danbury, starting and finishing at East Hanningfield Village Hall. It is described as a narrative race with no marshals or arrows, requiring competitors to follow written route instructions. The varied terr..